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WorksheetsGrade 3 Science
Total questions: 21
Worksheet time: 41mins
What class are you in?
3A
3B
3C
1. Jessica has a potted plant in her home. Which part of the plant is found completely under the soil?
a. The stem
b. The roots
c. The leaves
d. The flowers
2. Joan was studying the characteristics of four different animals and put her information in this chart. Which of these animals is most likely a mammal?
Animal 1
Animal 2
Animal 3
Animal 4
3. John is looking at an invertebrate. Which characteristic would tell him that he is looking at an insect?
It can fly
It has eyes
It has six legs
It can live in water
4. In the spring, a pond has this food chain. In the summer, the goose fly north and leave the pond. How does this most likely affect the food chain?
a. The food chain will not change
b. The amount of grass will decrease (less)
c. There will be more food for the hawks
d. The racoons will need to find something else to eat.
5. A forest food chain is shown below. Which word best describes the role of the maple tree?
a. producer
b. herbivore
c. consumer
d. decomposer
6. Some animals lives in a cold environment. Which adaptation helps some of these animals survive the cold temperatures?
a. mimicry
b. Blubber
c. Flippers
d. Camouflage
7. The thorns of a blackberry bush most help the plant to
a. protect itself
b. hide from view
c. lose extra water
d. attract pollinators
8. Why do some animals store food during the fall?
a. They cannot find enough food in the winter
b. They are too cold to eat during the winter
c. They become very hungry in the fall
d. They migrate during the winter
9. In one food chain, a worm is a decomposer. Which of these best describes what the worm does in the food chain?
a. It makes food and energy.
b. It recycles dead material
c. It consumes growing things.
d. It makes food for consumers.
10. Plants need three things to make food. Two of these things are air and water. What is the third thing leaves need to make food?
a. Heat
b. Gravity
c. Spores
d. Sunlight
11. What does Earth revolve around?
a. Venus
b. Saturn
c. The Sun
d. The Moon
12. Which of these is a result of Earth’s rotation?
a. Four seasons
b. Moon phases
c. Night and Day
d. Months and years
13. Why does the sun look bigger and brighter than other stars?
a. It is the closest star to Earth.
b. It is hotter than any other star.
c. Its color makes it seem large and bright.
d. It is the biggest and brightest of all stars.
14. An astronomer is studying four stars with four different colors. What color is the hottest star?
a. Red
b. Blue
c. White
d. Yellow
15. Which is true (☑️) of all stars?
a. They are white.
b. They are silver.
c. They can be one of several colors.
d. They have no color that can be seen.
16. Which of the following is not a property of stars?
a. Brightness
b. Colour
c. Amount
d. Temperature
17. Amanda and Gary go out to look at the stars one night. Amanda looks with just her eyes. Gary looks through a telescope. Which statement best compares what Amanda and Gary will see?
a. Amanda will see more stars than Gary.
b. Amanda will see stars faster than Gary.
c. Gary will see stars in more detail than Amanda
d. Gary will see a bigger area of stars than Amanda.
18. The owl blending in the trees is the use of
a. camouflage
b. mimicry
c. hibernate
19. A caterpillar’s spots look like snake eyes is the use of
a. camouflage
b. mimicry
c. hibernate
20. The Sun provides _________ energy to Earth.
a. light
b. food
c. heat
d. light, food and heat
