The document provides information about food and nutrition for a Year 9 class. It begins with learning objectives about appreciating a balanced diet and introduces the reasons why humans need food, such as for energy storage, growth, and chemical reactions. It then discusses energy balance and input versus output. The document provides success criteria for students and links to additional online resources. It addresses topics like food groups, dietary intake, nutrition, digestion, and adaptations that aid the digestive system.
This PowerPoint is one small part of the Atoms and Periodic Table of the Elements unit from www.sciencepowerpoint.com. This unit consists of a five part 2000+ slide PowerPoint roadmap, 12 page bundled homework package, modified homework, detailed answer keys, 15 pages of unit notes for students who may require assistance, follow along worksheets, and many review games. The homework and lesson notes chronologically follow the PowerPoint slideshow. The answer keys and unit notes are great for support professionals. The activities and discussion questions in the slideshow are meaningful. The PowerPoint includes built-in instructions, visuals, and review questions. Also included are critical class notes (color coded red), project ideas, video links, and review games. This unit also includes four PowerPoint review games (110+ slides each with Answers), 38+ video links, lab handouts, activity sheets, rubrics, materials list, templates, guides, and much more. Also included is a 190 slide first day of school PowerPoint presentation.
Areas of Focus: -Atoms (Atomic Force Microscopes), Rutherford's Gold Foil Experiment, Cathode Tube, Atoms, Fundamental Particles, The Nucleus, Isotopes, AMU, Size of Atoms and Particles, Quarks, Recipe of the Universe, Atomic Theory, Atomic Symbols, #'s, Valence Electrons, Octet Rule, SPONCH Atoms, Molecules, Hydrocarbons (Structure), Alcohols (Structure), Proteins (Structure), Periodic Table of the Elements, Organization of Periodic Table, Transition Metals, Electron Negativity, Non-Metals, Metals, Metalloids, Atomic Bonds, Ionic Bonds, Covalent Bonds, Metallic Bonds, Ionization, and much more.
This unit aligns with the Next Generation Science Standards and with Common Core Standards for ELA and Literacy for Science and Technical Subjects. See preview for more information
If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
Teaching Duration = 4+ Weeks
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Lecture materials for the Introductory Chemistry course for Forensic Scientists, University of Lincoln, UK. See http://forensicchemistry.lincoln.ac.uk/ for more details.
This powerpoint talks about the law Conservation of Mass. You will know who,when and how the discoverer found the Law of Conservation of mass. This is a work that is very good, because it has lots of images, example and you will undestand everything because the vocabulary is simple and anyone can understand it
This PowerPoint is one small part of the Atoms and Periodic Table of the Elements unit from www.sciencepowerpoint.com. This unit consists of a five part 2000+ slide PowerPoint roadmap, 12 page bundled homework package, modified homework, detailed answer keys, 15 pages of unit notes for students who may require assistance, follow along worksheets, and many review games. The homework and lesson notes chronologically follow the PowerPoint slideshow. The answer keys and unit notes are great for support professionals. The activities and discussion questions in the slideshow are meaningful. The PowerPoint includes built-in instructions, visuals, and review questions. Also included are critical class notes (color coded red), project ideas, video links, and review games. This unit also includes four PowerPoint review games (110+ slides each with Answers), 38+ video links, lab handouts, activity sheets, rubrics, materials list, templates, guides, and much more. Also included is a 190 slide first day of school PowerPoint presentation.
Areas of Focus: -Atoms (Atomic Force Microscopes), Rutherford's Gold Foil Experiment, Cathode Tube, Atoms, Fundamental Particles, The Nucleus, Isotopes, AMU, Size of Atoms and Particles, Quarks, Recipe of the Universe, Atomic Theory, Atomic Symbols, #'s, Valence Electrons, Octet Rule, SPONCH Atoms, Molecules, Hydrocarbons (Structure), Alcohols (Structure), Proteins (Structure), Periodic Table of the Elements, Organization of Periodic Table, Transition Metals, Electron Negativity, Non-Metals, Metals, Metalloids, Atomic Bonds, Ionic Bonds, Covalent Bonds, Metallic Bonds, Ionization, and much more.
This unit aligns with the Next Generation Science Standards and with Common Core Standards for ELA and Literacy for Science and Technical Subjects. See preview for more information
If you have any questions please feel free to contact me. Thanks again and best wishes. Sincerely, Ryan Murphy M.Ed www.sciencepowerpoint@gmail.com
Teaching Duration = 4+ Weeks
Chemical Structure: Chemical Nomenclature. Inorganic Compoundsulcerd
Lecture materials for the Introductory Chemistry course for Forensic Scientists, University of Lincoln, UK. See http://forensicchemistry.lincoln.ac.uk/ for more details.
This powerpoint talks about the law Conservation of Mass. You will know who,when and how the discoverer found the Law of Conservation of mass. This is a work that is very good, because it has lots of images, example and you will undestand everything because the vocabulary is simple and anyone can understand it
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2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
5. We need food for:
Storage of energy as fat, insulation
Growth of new tissues
Repair of damaged tissues
Movement
Heat
Chemical reactions
Why do we need food?
5
6. The amount of energy I require each day is
11,550 kj or 11.55 MJ
In the last 24 hours I ate:
My Energy Balance
Item of
Food
Amount Approximate
number of kj
Approximate
number of MJ
Total
6
7.
My total energy input for the last 24 hour is _____ kJ, or ____
MJ
1.Did you get a variety of all food types?
Carbohydrates, proteins, fats, water, minerals and vitamins
2.Did your energy input equal your output energy?
7
8.
What do you think happens if:
Energy Input > Energy Output
= Increase in weight
Energy Input < Energy Output
= Decrease in weight
Input and Output
8
10.
In order to stay healthy our diets should be what?
Balance of protein, fats and oils and carbohydrates
Contain all food types
What happens if we do not maintain a healthy diet?
Become obese, lack of energy, brittle bones, diabetes
Memory loss, malnutrition,
How can you tell if you have a healthy diet?
Active, clear eyes, reddish gums, focused, strong pink
fingernails, flexible skin, shiny hair
How can you tell if you have an unhealthy diet?
Unfocused, difficulty concentrating, limp hair that
breaks off, brittle fingernails, dull complexion
Success Criteria
10
11.
Name the main food groups
and give examples of each
SLO
11
12. Sort the pictures provided into
five food groups
Now put them in order of which
you should eat the most, eat in
small amounts and eat least of.
Why is it important to eat the
correct amounts of each type of
food group?
Dietary Intake
12
13. Look at the pictures provided and see if
you can group them, give each group a
name.
Try to figure out what your body uses
each food type for.
Food Groups
13
16.
Food types
TypeType Found inFound in UsesUses
Carbohydrates
Fats
Proteins
Vitamins
Minerals
Fibre
Water 16
17.
Food types
TypeType Found inFound in UsesUses
Carbohydrates
Fats
Proteins
Vitamins
Minerals
Fibre
Water
Bread, potatoes, cereal
Cream, butter, milk, oil
Meat, fish, eggs
Vegetables, cereal
Meat, milk, cereal
Fruit + veg, cereal
Water!
Energy
A store of energy
Building and repairing cells
Keep things “ticking over”
Strong teeth etc
75% of the body is water
Keeps you regular!
17
19.
Our bodies require certain other substances in
order to stay healthy:
Iron: used in blood to carry oxygen need for
respiration which makes energy! (green vege,
red meat)
Fibre: keeps intestines clean, helps move the
food through the intestines (cereals)
Calcium: helps strengthen our bones (diary
products)
Water: helps in metabolic process and keep
cells alive
Important Substances
19
20.
What types of foods do we get these from?
Important Substances
20
21.
1. Write a definition of the following words: diet,
nutrition
2. List the types of foods which contain lots of the
following
Carbohydrates, proteins, fats, vitamins
3. State what each of the above substances do in the
body.
4. Complete Scipad page 149-150 and 154-155
Success Criteria
21
22.
Gain an understanding of some of
the diseases caused by poor diet
SLO
22
25.
Too much or too little of certain things in our diet can
cause major health problems.
Solve Theo’s health
problems.
http://
lgfl.skoool.co.uk/content/keystage3/biology/pc/learningstep
Dietary Problems
25
26.
Research one of the following dietary problems.
Obesity, Anorexia, Bulimia, Malnutrition, Anemia,
Goiter, bowel cancer, diabetes, heart disease,
dehydration, kwashiorkor disease
You need to find out:
What causes the problem
What effects does the problem cause
How can the problem be cured?
Dietary Problems
26
27.
Obesity can result in:
Heart disease
Heart attack
Type II diabetes
Infertility
Lack of fibre can result in:
Constipation
Bowel Cancer
Dietary Problems
27
28.
Read and complete the questions on the following
pages in Exploring Science 8
Page 10-11 and Page 12-13
Complete the following worksheets:
The Glycaemic Index 8Ac/7
Balanced Diets 8Ab/8
Poor Diets 8Ab/2
Focus on Diet and Diabetes 8Ab/3
On a diet 8Aa/1
Eat to live 8Ae/6
Tasks
28
29.
Poor diets
If we don’t have a balanced diet we may suffer form a
“deficiency symptom”:
Vitamin D
Protein
Vitamin C
Vitamin A
Iron
Anaemia
Scurvy (bleeding gums and joints)
Weak bones and teeth
Wasting of body tissue
Rickets
Lack of… Causes…
29
30. 1. Write a definition of the following words: diet,
nutrition, energy input, energy out put, food
pyramid, calcium, fibre, water,
2. What type of food substance is calcium?
3. Why is fibre important in the diet?
4. What makes up the missing mass in most foods?
5. Complete Scipad page 156
Success Criteria
Explain what a balanced diet is.
30
31.
1. Bob has become very overweigh in the last few years.
He used to play a lot of sports and go to the gym
everyday, but he injured his knee and cannot play sports
anymore and he has stopped going to the gym.
Bob still eats the same about of food as he did before
his knee injury. Suggest two reasons why he might
be overweight now.
Suggest two health problems the Bob could have as a
result of becoming overweight.
Suggest two ways in which Bob might lose mass.
Success Criteria
Explain what a balanced diet is.
31
32.
Carry out a number of food test
investigations
SLO
32
34.
Food type
Tested for
Method Positive Test
Result
Foods that
contain this
Carbohydrate:
Starch
1. Put 1 ml of water in a test tube
2. Add 1 pinch of ground food
3. Add 2 drops of iodine solution
4. Shake it, record colour change
Carbohydrate:
Glucose
1. Put 1 ml of water in a test tube
2. Add 1 pinch of ground food
3. Add 5 drops of Benedict’s solution
4. Shake well, then gently heat
5. Record colour change
Oils 1. Put 1 ml of alcohol into a test tube.
2. Add 1 pinch of the liquefied food.
3. Shake well. Then pour into another
test tube that contains 1ml of water.
4. Shake well, record change in
appearance.
Protein 1. Put 1ml of food into a test tube.
2. Add 1ml of sodium hydroxide.
3. Add 4 drops of copper sulphate
solution.
34
35.
Food tests 1
To investigate what happens in digestion we need to be able
to test for different foods. Here are two simple tests:
1) The test for starch:
Drop some iodine onto the food. If
the iodine turns BLUE/BLACK then
STARCH is present.
2) The test for simple sugars (e..g
glucose)
Boil the food with some Benedict’s
solution. If an orange
“precipitate” appears then the
food contains simple sugars
Iodine
35
36.
Food tests 2
1) The test for protein:
Add 5cm3 of dilute sodium hydroxide
followed by 5cm3 of dilute copper
sulphate. If protein is present it
will produce a purple colour.
2) The test for fats:
Shake the food with about 10cm3 of
ethanol in a test tube. Pour some
of the solution into a tube
containing water. If fat is
present the water will turn
cloudy white.
36
37.
1. Write a definition of the following words:
diet, nutrition, glucose, starch, proteins,
lipids, iodine, benedict's solution
2. Draw a labelled diagram to show how to
test for protein, starch, sugar and fats
3. Give the positive results expected for foods
that contain starch, protein, sugar and fat.
Success Criteria
37
38.
Label the major organs of the
digestive system
Outline the main function of the
digestive organs
SLO
38
39.
Draw an outline of a body
Draw and label the following organs
List any organs you don’t know on the side of
the poster
Heart, lungs, kidneys , bladder, oesophagus,
trachea, stomach, liver, gall bladder, large
intestine, small intestine, pancreas, appendix,
ureter, urethra, diaphragm, eyes, bile duct,
larynx
Before
39
41.
There are four stages to nutrition (obtaining and
using food for energy):
Ingestion
Using our teeth and mouths to physically get food into our
body
Digestion
Chemically breaking down food into smaller particles
Absorption
Broken down food particles pass from our small intestine into
our blood
Excretion
Liquid waste is excreted via the kidneys and bladder
Solid waste is excreted via the anus
Nutrition
41
42. What is digestion?
Turns food into a form that your body
can use
Why do we need to digest food?
Food particles are to large to fit through
cell membranes and be absorbed and
passed around the blood stream
Digestion
42
43.
Once you have ingested your food with your teeth,
enzymes then digest it.
Digestion means to break down into simpler smaller
particles. These smaller particles can then pass
through the cell membrane of the intestines.
Digestion first takes place in your mouth where an
enzyme called amylase (found in your saliva) breaks
down starch into smaller particles.
Digestion is a chemical process that takes place in
the mouth, stomach and small intestine.
43
44.
The digestive system
The whole point of digestion is to break down our food so
that we can get the bits we need from it…
The main foods
affected are
CARBOHYDRATES –
these are broken down
into GLUCOSE
44
45.
Digestion
1) In the mouth food
is mechanically
broked down by the
teeth and chemically
broken down by
enzymes in saliva
2) In the stomach
food is chemically
broked down by
enzymes and acid is
produced to kill
bacteria and help the
enzymes work
3) In the small
intestine enzymes
complete the
digestion process and
glucose and other
small foods are
absorbed into the
bloodstream.
4) In the large
intestine excess
water is absorbed
into the blood
5) The waste faeces
are removed through
the anus
45
46.
Other facts to digest...
The liver produces bile
to help digest fat
The gall bladder stores
bile before releasing it
into the small intestine
via the bile duct
The pancreas produces
lots of enzymes
46
48. Mouth – Chemical break down – amylase
- Physical break down – teeth
Gullet/Oesphagus – moves food to stomach
Stomach – stores food and digestion begins
Small intestine – digestion continues and nutrients
are absorbed
Large Intestine – water is absorbed and feaces are
compacted
Anus – wastes are excreted.
Function of Organs
48
49. Animated Rat dissection [www.keepvid.com].mp4
Complete Scipad 157-158,
Rat Dissection
49
50.
Draw a flow diagram of the digestive system
Where is food first acted on by enzymes?
Mouth – saliva contains enzyme amylase
Where are proteins first digested?
Stomach – protease breaks down proteins
Where are carbohydrates first digested?
Mouth – amylase digests carbohydrates
What happens to food in the stomach?
Broken down and mixed and bacteria killed
Why do we need teeth? How do they help with
digestion?
Breaks food into smaller parts so can be swallowed and
so enzymes can act on it quickly
What else occurs in the mouth that aids digestion?
Chemical breakdown, moistening of food
Success Criteria
50
53.
The small intestine
This is where the “small parts” are absorbed into our blood
stream…
Everything else
passes into the
large intestine
Glucose gets
absorbed into
the blood
53
54.
Once digested glucose, vitamins, minerals
and fats are absorbed through the wall of the
small intestine.
To ensure this happens as fast as possible,
the small intestine is covered in thin hair like
projections called villi.
These increase the surface area so that
substances can be absorbed fast.
http://lgfl.skoool.co.uk/content/keystage3/biology/pc/learningstep
s/EGSLC/launch.html
Absorption
54
55. Villi are only one cell thick so that
substances can move quickly into
the blood in the capillaries.
The capillaries join up to form
veins which take the blood to the
liver to be cleaned before the heart
pumps the blood around the body
for use.
Villi
55
56. 1. Write a definition of the following words:
absorption, surface area, villi, artery, vein, small
intestine, large intestine, villus, capillary,
pressure
2. Where are most substances absorbed into the blood?
3. Where are water and minerals absorbed into the blood?
4. Complete scipad 163-167
Success Criteria
56
59.
Why do we have teeth?
Teeth are for breaking up food into smaller pieces so that they can
be swallowed or ingested.
There are different shaped teeth for different jobs:
Canine: Sharp and pointy for tearing
Incisors: Chisel like for biting
Molars: Large and flat for chewing
Teeth
59
60.
Enamel – protects tooth from wear and
tear
Dentine – supports enamel, has nerves
in
Pulp – has blood vessels to supply
nutrients to tooth, nerves to send
messages to brain
Gum – where root is implanted
60
Function of Teeth
61.
Look at your own teeth
Copy the diagram
Label your incisors I
Label your canines C
Label your molars M
How many teeth do you have in total?
How are you teeth different to your neighbors?
Your Teeth
61
62. Different teeth are used to eat different foods:
Canines – tearing meat
Incisors –cutting grass
Molars – grinding food
Hence, animals with different diets also have different amounts
of each type of tooth.
A rabbit that eats grass would need i_____ to cut the grass
and m______ to chew it.
A dog would need large c_____ to tear meat from the bone.
Teeth and Diet
62
63.
Name the different kinds of teeth and give their
function
What kind of teeth do carnivores, omnivores and
herbivores need most of?
63
Success Criteria
2. amaylase,
3. Starch is too big a molecule to fit through membranes so it have to be broken down into sugar which can then pass through the membrane into the blood stream.
Pressure keeps the villi up and open to increase surface area.