Human reproduce
•Download as PPTX, PDF•
0 likes•410 views
Human reproduce by giving birth to offspring, continuing the process from one generation to the next, which increases the number of people. If humans do not reproduce, the population will decrease, while overreproducing can lead to issues like food and water shortages, lack of living space, high crime, and unemployment due to overpopulation.
Report
Share
Report
Share
Recommended
Infertility
The document discusses various assisted reproductive technologies (ART) used to treat infertility including artificial insemination, in vitro fertilization, intracytoplasmic sperm injection, cytoplasmic transfer, surrogacy, and preimplantation genetic diagnosis. It raises ethical concerns about these technologies, noting they must pass ethical standards regarding the sanctity of human life, God's ideal for the family, and a theology of infertility. Specifically, it argues technologies that involve destroying or risking embryos, violating monogamous marriage, or treating reproduction as commercial violate these standards. The document advocates understanding the ethical issues fully before using ART and considering adoption of already existing frozen embryos if experiencing infertility.
Multiple Births
Multiple births have long fascinated America, beginning 75 years ago with the famous Dionne quintuplets who were the first quintuplets to survive infancy. In vitro fertilization (IVF) treatment, available since the 1980s, increased twin and triplet births several fold by inducing hormones and externally fertilizing and implanting eggs. While multiples are riskier with increased chances of prematurity, miscarriage, and other health issues, they remain intriguing as evidenced by entire websites and reality shows dedicated to following famous multiple birth families. Modern technology has enabled more multiple births but also raises complex ethical issues around terminating select embryos and managing increased health risks.
Identify which object can rust
The document lists various common household items including paper clips, towels, iron scissors, aluminum cans, screws, a wooden chair, plastic bottles, and needles. Most of the items are small objects that one would find around the house or office. A few items like the wooden chair and plastic bottle are larger household goods.
Animal excrete and defecate
Animals excrete various waste products from their bodies including urine, sweat, carbon dioxide, and feces in order to remove toxins and undigested materials and regulate body temperature. Excretion through urine, sweat, breathing, and defecation helps animals stay healthy by removing harmful wastes their bodies cannot use.
Quiz
The document contains 6 multiple choice questions about animal defenses. Question 1 asks which animal hides in its hard shell when attacked, with options of skunk, crocodile, or tortoise. Question 2 asks which animal can raise its spines when seeing an enemy, with options of spider, porcupine, or cockroach. Question 3 asks what structure moths have to protect themselves, with options of hard scales, false eyes, or sharp spines.
Combined uses of materials
This document discusses the combined uses of materials in various objects and summarizes their key properties. It examines objects like spectacles, plugs, belts, umbrellas, frying pans, windows, electric irons, shoes and kettles. For each object, it identifies the materials used, such as glass, metal, plastic, leather and rubber, and summarizes their important properties like being transparent, insulating or conducting electricity, flexible, waterproof or able to conduct heat.
Living in extreme weather use
The document describes five characteristics that help animals survive in extreme hot and cold weather:
1) Animals in hot desert climates, like camels, have humps to store water and food.
2) Desert foxes have long ears to help lose heat in hot weather.
3) Polar bears have thick fur to keep warm in cold polar regions.
4) Animals in cold climates like penguins, walruses, seals and whales have thick layers of fat to insulate against cold.
5) Arctic foxes have small ears to prevent heat loss in frigid Arctic conditions.
Quiz question
The document is a quiz about natural and man-made materials. It contains multiple choice questions that test understanding of what materials come from nature versus those that are man-made, examples of each, and how some man-made materials are derived from natural sources through chemical processes. The quiz covers topics like what materials animals, plants, and rocks provide and how plastics, metals, and other synthetic materials are produced.
Recommended
Infertility
The document discusses various assisted reproductive technologies (ART) used to treat infertility including artificial insemination, in vitro fertilization, intracytoplasmic sperm injection, cytoplasmic transfer, surrogacy, and preimplantation genetic diagnosis. It raises ethical concerns about these technologies, noting they must pass ethical standards regarding the sanctity of human life, God's ideal for the family, and a theology of infertility. Specifically, it argues technologies that involve destroying or risking embryos, violating monogamous marriage, or treating reproduction as commercial violate these standards. The document advocates understanding the ethical issues fully before using ART and considering adoption of already existing frozen embryos if experiencing infertility.
Multiple Births
Multiple births have long fascinated America, beginning 75 years ago with the famous Dionne quintuplets who were the first quintuplets to survive infancy. In vitro fertilization (IVF) treatment, available since the 1980s, increased twin and triplet births several fold by inducing hormones and externally fertilizing and implanting eggs. While multiples are riskier with increased chances of prematurity, miscarriage, and other health issues, they remain intriguing as evidenced by entire websites and reality shows dedicated to following famous multiple birth families. Modern technology has enabled more multiple births but also raises complex ethical issues around terminating select embryos and managing increased health risks.
Identify which object can rust
The document lists various common household items including paper clips, towels, iron scissors, aluminum cans, screws, a wooden chair, plastic bottles, and needles. Most of the items are small objects that one would find around the house or office. A few items like the wooden chair and plastic bottle are larger household goods.
Animal excrete and defecate
Animals excrete various waste products from their bodies including urine, sweat, carbon dioxide, and feces in order to remove toxins and undigested materials and regulate body temperature. Excretion through urine, sweat, breathing, and defecation helps animals stay healthy by removing harmful wastes their bodies cannot use.
Quiz
The document contains 6 multiple choice questions about animal defenses. Question 1 asks which animal hides in its hard shell when attacked, with options of skunk, crocodile, or tortoise. Question 2 asks which animal can raise its spines when seeing an enemy, with options of spider, porcupine, or cockroach. Question 3 asks what structure moths have to protect themselves, with options of hard scales, false eyes, or sharp spines.
Combined uses of materials
This document discusses the combined uses of materials in various objects and summarizes their key properties. It examines objects like spectacles, plugs, belts, umbrellas, frying pans, windows, electric irons, shoes and kettles. For each object, it identifies the materials used, such as glass, metal, plastic, leather and rubber, and summarizes their important properties like being transparent, insulating or conducting electricity, flexible, waterproof or able to conduct heat.
Living in extreme weather use
The document describes five characteristics that help animals survive in extreme hot and cold weather:
1) Animals in hot desert climates, like camels, have humps to store water and food.
2) Desert foxes have long ears to help lose heat in hot weather.
3) Polar bears have thick fur to keep warm in cold polar regions.
4) Animals in cold climates like penguins, walruses, seals and whales have thick layers of fat to insulate against cold.
5) Arctic foxes have small ears to prevent heat loss in frigid Arctic conditions.
Quiz question
The document is a quiz about natural and man-made materials. It contains multiple choice questions that test understanding of what materials come from nature versus those that are man-made, examples of each, and how some man-made materials are derived from natural sources through chemical processes. The quiz covers topics like what materials animals, plants, and rocks provide and how plastics, metals, and other synthetic materials are produced.
Combine use of m aterials
I. Man-made materials are obtained through chemical processes and include materials like metal, plastic, and glass.
II. Natural materials come from plants, animals, and rocks and include materials like leather, fur, silk, and rubber.
III. While some natural materials like rubber can become man-made through processing, materials like plastic and metal are solely man-made through chemical means rather than being derived from nature.
Mindpap
Cik Ti, a small animal, emerged from its shelter to search for food but it started raining heavily. It returned to its shelter, a hole near a house, tired and hungry. There was no food left. Cik Ti went into the kitchen looking for food and found some cheese. After eating, it was thirsty and drank from a cup of water. Unknowingly, Mamat trapped Cik Ti in a plastic bag and tied it tightly. Cik Ti shouted for help, unable to breathe, and eventually died from lack of air.
Final examination 2
1. The document contains a final-year examination with two sections - Section A contains multiple choice questions about science topics, and Section B contains short answer questions accompanied by figures.
2. Section A asks questions about living things and their needs, life cycles, ways to overcome memory limitations, properties of materials, methods of measurement, planets and their characteristics, and more.
3. Section B includes questions about observations from figures showing experiments with light and objects, methods of historical communication, animal characteristics and defenses, the Solar System, and other science topics. Students are asked to answer questions by referring to the figures provided.
Final examination 1
1. This document contains a final year examination with 30 multiple choice questions and 20 short answer questions with figures/diagrams.
2. The multiple choice section tests knowledge of plants, animals, physics principles and chemistry concepts through visual figures and questions.
3. The short answer section also uses visual figures to test understanding of science concepts like plant and space object properties, experimental design, and relationships between variables. Students must analyze the figures and apply their knowledge to answer questions.
Mid term examination
1. This document contains a mid-term examination with two sections - Section A and Section B. Section A contains 30 multiple choice questions about science concepts. Section B contains short answer questions about science experiments and observations.
2. The questions in Section B include short answer and explanation questions about experiments on plant responses to light, recycling of iron, and students measuring the length of a blackboard using different cubit lengths.
3. Students are required to answer all questions in the exam, which tests their understanding of science concepts like respiration, plant processes, animal protection, materials, time and measurement tools.
Liquid volume quiz
The document is a quiz about measuring liquids and their volumes. It asks 10 multiple choice questions to test knowledge of measuring tools like measuring cylinders and jugs, reading measurement levels, converting between units of ml and liters, and calculating volume amounts. The key questions cover identifying the proper tool for measuring liquid volume, reading the measurement level, converting between ml and liters, and calculating volumes from amounts provided.
Natural and manmade materials
Natural materials come from plants, animals, and rocks, and include wood, cotton, leather, and metal. Man-made materials are produced through chemical processes applied to natural materials, such as plastic, synthetic cloth, and petroleum products. Man-made materials are generally more durable than earlier natural materials due to advances in chemical processing techniques.
Monthly test 4
This document contains a 20 question multiple choice test on themes related to investigating the Earth, universe, and technology. The questions cover topics such as the solar system, planets, asteroids, comets, the moon, the sun, early forms of communication, and air transportation. Students are asked to choose the correct answer from four options (A, B, C, or D) for each question.
Answers
This document contains sample questions and answers from monthly tests and exams on various science themes. The questions cover topics like living things, forces and energy, materials, Earth and the universe, and technology. The answers provide explanations and reasoning for concepts like plant growth requirements, human respiratory system, animal adaptations, properties of materials, and measurements using different units.
Monthly test 3
This document contains a 30-mark multiple choice section and a 20-mark short answer section about investigating materials. The multiple choice section contains 30 questions about classifying objects based on their material, identifying materials' properties, and understanding recycling processes. The short answer section contains 4 questions about analyzing experiments investigating different materials' properties and the benefits of recycling and reusing materials.
Monthly test 2
This document contains a test with 24 multiple choice questions about measuring force, energy, length, area, and volume. The test covers using and converting between standard metric units like centimeters, meters, kilometers, grams, and liters. It includes questions with diagrams of geometric shapes where the student must calculate dimensions, areas, or volumes. The suggested time to complete this section of the test is 45 minutes.
Monthly test 1
1) The document contains a monthly test on the theme of investigating living things. It has multiple choice questions about basic needs of humans and other living things, as well as their shelter, food, breathing structures and life cycles.
2) The test contains diagrams and figures to illustrate various concepts being assessed such as the basic needs of humans and experiments investigating the needs of plants and animals.
3) Students are asked questions about the inferences that can be made from the experiments as well as correctly matching animals to their breathing structures, shelter and stages in their life cycles.
The solar system
The Solar System consists of the Sun and nine planets that orbit around it. The Sun is the largest object at the center of the Solar System. There are nine planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto (no longer considered a planet). Each planet has unique characteristics and orbits the Sun in oval-shaped paths of different sizes depending on their distance from the Sun.
Protection of animals from dangerg
The document discusses six characteristics that help animals protect themselves from danger: sting, sharp spines, sharp claws, hard scales, hard shells, and false eyes. It provides examples of animals that possess each characteristic, such as scorpions and bees that have stings to release poison, porcupines and fish that have sharp spines, and moths that have false eyes on their wings. These characteristics help scare off or injure predators and enemies.
Plant reproduce
Plants reproduce through various methods like seeds, spores, leaves, stem cuttings, underground stems, and suckers to ensure their survival. Examples of plant reproduction through seeds include papaya and durian. Mushrooms and ferns reproduce through tiny spores that are easily spread by wind. Begonias and bryophyllum reproduce through leaves, while hibiscus, roses, and tapioca reproduce via stem cuttings. Sweet potatoes reproduce underground through stems. Bananas and pineapples reproduce using suckers. If plants did not reproduce, they would become extinct.
Worksheet
Extreme weather like hurricanes, tornadoes, and floods can threaten lives and property. It is important to prepare for extreme weather by having an emergency plan and kit ready. During extreme weather, stay informed of warnings and evacuate if advised to do so for safety.
Record sheet
This document appears to be an exercise or assignment for students in Year 4 to record their findings from an experiment on the combined uses of materials in a table with three columns for the object, materials used, and properties. The document provides an example table for the students to fill in their own findings.
More Related Content
More from Annie Pau
Combine use of m aterials
I. Man-made materials are obtained through chemical processes and include materials like metal, plastic, and glass.
II. Natural materials come from plants, animals, and rocks and include materials like leather, fur, silk, and rubber.
III. While some natural materials like rubber can become man-made through processing, materials like plastic and metal are solely man-made through chemical means rather than being derived from nature.
Mindpap
Cik Ti, a small animal, emerged from its shelter to search for food but it started raining heavily. It returned to its shelter, a hole near a house, tired and hungry. There was no food left. Cik Ti went into the kitchen looking for food and found some cheese. After eating, it was thirsty and drank from a cup of water. Unknowingly, Mamat trapped Cik Ti in a plastic bag and tied it tightly. Cik Ti shouted for help, unable to breathe, and eventually died from lack of air.
Final examination 2
1. The document contains a final-year examination with two sections - Section A contains multiple choice questions about science topics, and Section B contains short answer questions accompanied by figures.
2. Section A asks questions about living things and their needs, life cycles, ways to overcome memory limitations, properties of materials, methods of measurement, planets and their characteristics, and more.
3. Section B includes questions about observations from figures showing experiments with light and objects, methods of historical communication, animal characteristics and defenses, the Solar System, and other science topics. Students are asked to answer questions by referring to the figures provided.
Final examination 1
1. This document contains a final year examination with 30 multiple choice questions and 20 short answer questions with figures/diagrams.
2. The multiple choice section tests knowledge of plants, animals, physics principles and chemistry concepts through visual figures and questions.
3. The short answer section also uses visual figures to test understanding of science concepts like plant and space object properties, experimental design, and relationships between variables. Students must analyze the figures and apply their knowledge to answer questions.
Mid term examination
1. This document contains a mid-term examination with two sections - Section A and Section B. Section A contains 30 multiple choice questions about science concepts. Section B contains short answer questions about science experiments and observations.
2. The questions in Section B include short answer and explanation questions about experiments on plant responses to light, recycling of iron, and students measuring the length of a blackboard using different cubit lengths.
3. Students are required to answer all questions in the exam, which tests their understanding of science concepts like respiration, plant processes, animal protection, materials, time and measurement tools.
Liquid volume quiz
The document is a quiz about measuring liquids and their volumes. It asks 10 multiple choice questions to test knowledge of measuring tools like measuring cylinders and jugs, reading measurement levels, converting between units of ml and liters, and calculating volume amounts. The key questions cover identifying the proper tool for measuring liquid volume, reading the measurement level, converting between ml and liters, and calculating volumes from amounts provided.
Natural and manmade materials
Natural materials come from plants, animals, and rocks, and include wood, cotton, leather, and metal. Man-made materials are produced through chemical processes applied to natural materials, such as plastic, synthetic cloth, and petroleum products. Man-made materials are generally more durable than earlier natural materials due to advances in chemical processing techniques.
Monthly test 4
This document contains a 20 question multiple choice test on themes related to investigating the Earth, universe, and technology. The questions cover topics such as the solar system, planets, asteroids, comets, the moon, the sun, early forms of communication, and air transportation. Students are asked to choose the correct answer from four options (A, B, C, or D) for each question.
Answers
This document contains sample questions and answers from monthly tests and exams on various science themes. The questions cover topics like living things, forces and energy, materials, Earth and the universe, and technology. The answers provide explanations and reasoning for concepts like plant growth requirements, human respiratory system, animal adaptations, properties of materials, and measurements using different units.
Monthly test 3
This document contains a 30-mark multiple choice section and a 20-mark short answer section about investigating materials. The multiple choice section contains 30 questions about classifying objects based on their material, identifying materials' properties, and understanding recycling processes. The short answer section contains 4 questions about analyzing experiments investigating different materials' properties and the benefits of recycling and reusing materials.
Monthly test 2
This document contains a test with 24 multiple choice questions about measuring force, energy, length, area, and volume. The test covers using and converting between standard metric units like centimeters, meters, kilometers, grams, and liters. It includes questions with diagrams of geometric shapes where the student must calculate dimensions, areas, or volumes. The suggested time to complete this section of the test is 45 minutes.
Monthly test 1
1) The document contains a monthly test on the theme of investigating living things. It has multiple choice questions about basic needs of humans and other living things, as well as their shelter, food, breathing structures and life cycles.
2) The test contains diagrams and figures to illustrate various concepts being assessed such as the basic needs of humans and experiments investigating the needs of plants and animals.
3) Students are asked questions about the inferences that can be made from the experiments as well as correctly matching animals to their breathing structures, shelter and stages in their life cycles.
The solar system
The Solar System consists of the Sun and nine planets that orbit around it. The Sun is the largest object at the center of the Solar System. There are nine planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto (no longer considered a planet). Each planet has unique characteristics and orbits the Sun in oval-shaped paths of different sizes depending on their distance from the Sun.
Protection of animals from dangerg
The document discusses six characteristics that help animals protect themselves from danger: sting, sharp spines, sharp claws, hard scales, hard shells, and false eyes. It provides examples of animals that possess each characteristic, such as scorpions and bees that have stings to release poison, porcupines and fish that have sharp spines, and moths that have false eyes on their wings. These characteristics help scare off or injure predators and enemies.
Plant reproduce
Plants reproduce through various methods like seeds, spores, leaves, stem cuttings, underground stems, and suckers to ensure their survival. Examples of plant reproduction through seeds include papaya and durian. Mushrooms and ferns reproduce through tiny spores that are easily spread by wind. Begonias and bryophyllum reproduce through leaves, while hibiscus, roses, and tapioca reproduce via stem cuttings. Sweet potatoes reproduce underground through stems. Bananas and pineapples reproduce using suckers. If plants did not reproduce, they would become extinct.
Worksheet
Extreme weather like hurricanes, tornadoes, and floods can threaten lives and property. It is important to prepare for extreme weather by having an emergency plan and kit ready. During extreme weather, stay informed of warnings and evacuate if advised to do so for safety.
Record sheet
This document appears to be an exercise or assignment for students in Year 4 to record their findings from an experiment on the combined uses of materials in a table with three columns for the object, materials used, and properties. The document provides an example table for the students to fill in their own findings.
More from Annie Pau (17)
Human reproduce
- 1. Lesson 4: Human reproduce Year 4 SK Kampong Pasir
- 3. Marriage
- 4. Pregnancy
- 5. Offspring
- 6. Family
- 7. Human
- 8. Human reproduce by giving birth of their offspring. This process continue from one generation from another. When human reproduce, the number of people increase.
- 9. What will happen if human do not reproduce? The number of people will decrease. What will happen if human over reproduce? There will be overpopulation.
- 10. Effect of overpopulation Food and fresh water shortage Lack of living space High crime rate Unemployment
- 12. How human reproduce? Human giving birth to their offspring. This process continue from one generation to another. As the result, the number of people increase.