Third to Fourth GradeScience Project Life cycle of plants Fossil Using measuring devices Sea creatures Created by future teacher Annabel Lee
Life cycles of plants Exhibit A: Pine Cone NJCCCS 5.3.2.B.1 and 5.3.2.B.3 and 5.3.4.D.1
Pine Cones This pine cone contains the seeds to grow pine trees This pine cone is 8 inches tall How tall do you think the pine tree will grow that comes from this pine cone? Look at the beautiful pattern! What other patterns in nature have you seen?
Exhibit B: Avocado tree and avocado pit This tree grew from a small round pit
Here’s the avocado pit close up…Can you see the root beginning to grow?How can we help that root to sprout?
Sprouting and growing seeds First put the seed into water – use toothpicks to hold the top of the seed out of the water and let the tiny root use the water for nutrients. Why is half the seed out of the water? When the root is sprouting put the seed into soil where the root can spread and gather nutrients Don’t forget to water that seed in the soil because the plant needs both soil and water to grow Watch the plant grow up toward the light. How long do you think it will take before leaves form on the stem?
Leaves, stems, roots, fruit The stem will grow up toward the sunlight The leaves will take in nutrients from the sun The roots receive nutrients from the water and the soil If you take care of your plant it will bear fruit
Trilobites Trilobiteswere extinct before dinosaurs even came into existence! NJCCCS 5.4.4.B.1
Trilobites lived under the ocean Scientists believe that trilobites had hard shells and many legs so they could walk on the bottom of prehistoric oceans and gather their food Scientists have identified gills on trilobites which means they lived underwater This trilobite was found on dry land far away from the ocean. What was it like in prehistoric times in the place where this trilobite was found?
Measuring and weighingusing common household tools NJCCCS 5.1.4.B.2 and 5.2.4.A.3
Measuring cups Using a 1/3 cup measuring cup, measure 1/3 cup of lentils. The lentils must fill the cup. Now pour those same lentils into a ½ cup measuring cup How much space do they now take up? Use fractions to discover how much of the ½ cup measuring cup they are filling
Using measuring cups for dry ingredients Now pour those same lentils into a full cup measuring cup Does it still look like the same amount of lentils? Does it look lie more or less than it did in the 1/3 cup measuring cup. Fill the 1/3 cup measuring cup with more lentils now and compare
Liquid measuring cups Now pour 1/3 cup of lentils into a one cup liquid measuring cup. How does it look? Does it fill much of the space in the cup? Now take a two cup liquid measuring cup? How does it look? Does it look like fewer lentils? A lot fewer? Why?
Measuring spoons On your own try measuring the lentils with the measuring spoons. How many tablespoons fill a cup? Weigh the lentils in each container and in each spoon. Do they weight the same? Why or why not?
Sea Creatures NJCCCS 5.3.2.C.2
Scallops and Corallive in the sea Sea water is salty Many living organisms live in the sea Some sea creatures live inside shells Some sea creatures live at the bottom of the ocean and move and grow without shells
Sponges and Barnacles
Have you ever seen a barnacle on the side of a boat or on a dock? Did you know that it was alive?