Science Tests - Life Science and Earth Science – Grade 3

*to compliment the use of Scott Foresman On-line Science Text Units 1 and 2

Unit 1 Life Science

1. Plants need space, water, air, sunlight and ______ to grow.

1. leaves
2. carbon dioxide
3. nutrients
4. pollination

2. What are nutrients?

1. materials that living things need to live and grow
2. the nectar of a flower
3. soil and air

3. The four main parts of a plant are: roots, stems, ______ and flowers.

1. seedlings
2. leaves
3. taproots

4. Which part carries water and nutrients to the leaves and holds up the plant?

________________________________

5. Which part uses air, sunlight, water and nutrients to make food for the plant?

_______________________________

6. What do flowers make?

________________________________

7. What is a system?

________________________________________________

8. What kind of food do plants make?

________________________________

9. ___________________________________________ enters a plant through tiny holes on its leaves.

10. _________________________________________ is released by plants through those same holes.

11. How does sugar get from the leaves to the rest of the plant?

1. through the stem
2. through the roots
3. through the air

12. __________________________________ are roots that we eat, like beets and carrots.

13. Trees that lose their leaves are _____.

a. coniferous

b. deciduous

14. Bees, other animals, or wind _________________________ flowers.

15. Germinate means _______.

1. to start to grow
2. to pollinate
3. to reproduce

16. A young plant is called a _______.

1. seed
2. seedling
3. flower

17. The remains or marks of a living thing from long ago is called a ___________________.

18. A tree that makes cones is called a __________________________________ tree.

19. What body part do land animals breathe with?

____________________________

20. All vertebrates have ______.

1. feathers
2. two legs
3. a backbone
4. fur

21. All invertebrates do not have _____________________________________.

22. The five groups of vertebrates are _____.

1. arthropods, fish, mammals, mollusks and birds
2. fish, amphibians, reptiles, birds and mammals

23. The four major groups of invertebrates are sea jellies, mollusks, arthropods and ___.

1. worms
2. reptiles
3. snails
4. fish

24. Give an example of an arthropod.

_____________________________________

25. All animals start their lives as an _______________.

26. When a butterfly is a caterpillar, it is in its ______ stage.

1. pupa
2. insect
3. larva

27. An animal that has fur and drinks milk from its mother is a

___________________________.

28. A special trait that helps an animal survive is ____.

1. a competition
2. an adaptation
3. a shelter

29. A trait that is passed on from parents to their young is ___.

1. adapted
2. germinated
3. inherited

30. The ability to blend into the background is called ____.

1. mimicry
2. camouflage
3. disappearing

31. Something you know without having to learn it is called ___.

1. instinct
2. mimicry
3. learned

Use these words to finish sentences 32-37

population – community – ecosystem – habitat – environment – climate

32. Everything that surrounds a living thing is its _____________________________.

33. The weather in a place all year is its _____________________________.

34. The interacting parts in an environment are called an __________________________.

35. A place where a living thing makes its home is called its

__________________________.

36. Living things of the same kind, living in the same place at the same time are called a

______________________________.

37. Populations that live together in the same place are called a

____________________________.

38. Draw a line from the ecosystem to its definition.

Grassland	A forest with trees that lose their leaves
Desert	Includes lakes, ponds, rivers or streams
Tundra	Warm, rainy forests that grow near the equator
Coniferous Forest	Dry with very little rain
Deciduous Forest	Low land that is covered by water part of the year
Tropical Forest	Hot summers, cold winters and few trees
Freshwater Ecosystem	In or near the ocean
Saltwater Ecosystem	Cold and dry with long winters
Wetand	A forest with trees that grow well in cold, dry climates

Use these words to finish sentences 39-46

Predators – Food chains – Decomposers - Consumers – Prey – Decay - Food webs – Producers

39. ________________________________ are living things that make their own food.

40. ________________________________ are living things that eat food for energy.

41. _______________________________________ are groups of producers and consumers that interact in a special way.

42. _________________________ is an animal that is hunted by other animals.

43. _________________________ are animals that hunt other animals for food.

44. ________________________________ are many different food chains working together.

45. ______________________________ are living things that break down waste and living things that have died?

46. ________________________________ is the process of breaking down.

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47. What system in our bodies breaks down the food we eat?

1. digestive system
2. respiratory system
3. nervous system

48. When you breathe, oxygen travels from through your ___ into your lungs.

1. intestines
2. heart
3. windpipe

49. Your heart pumps __________________________ through your blood vessels.

50. Bacteria and viruses are examples of ____________________ that can cause disease.

Unit 2 - Earth Science

1. Your body and the Earth´s surface are made up of _________________________ water.

2. We use the power of moving water to make _______________________________.

3. ________________________ is the water that collects in spaces between underground rocks.

4. _________________________ is water that we drink.

5. _________________________ is the water in oceans.

6. Water expands and takes up more space when it is in the form of ___________.

7. ____________________________ is the process of water turning into gas.

8. ____________________________ is the process of vapor turning back into liquid.

9. ____________________________ is when water falls back down to Earth.

10. ___________________________ is what the air is like outside.

11. ___________________________ is the force of the weight of the atmosphere.

12. _________________________________________ makes cold and rainy weather.

13. _________________________________________ makes warm and sunny weather.

14. ______________________ are made up of water droplets.

15. The ___________________________________ is the blanket of air that surrounds the Earth.

16. _________________________________ is the amount of water in the air.

17. __________________________ are huge storms that form over oceans.

18. ___________________________ are spinning columns of air that form beneath

thunderstorm clouds and touch the ground.

19. __________________________ are winter snow storms with strong winds.

20. Why are there so many hurricanes in Guatemala?

21. ____________ is natural, solid material mostly made of minerals.

22. ___________________ are natural materials that form from nonliving material.

23. Match the type of rock to its definition.

Sedimentary Rock	Is rock that forms from a red-hot mixture of melted minerals and gases.
Igneous Rock	Is rock that has been changed by heat, pressure, or both.
Metamorphic Rock	Is rock that forms from bits of rocky matter that settles to the bottom of rivers, lakes and oceans.

24. Give three examples of minerals that you know.

25. _____________ is the thin layer of loose material that covers most of Earth’s land.

26. Soil gets nutrients from _______________________________ things.

27. Name the three soil layers from top to bottom.

28. Name the layers of the Earth from outermost to innermost.

29. Volcanoes, mountains and hills are examples of _________________________.

30. A ________________________ is a high plain.

31. A ________________________ is a large, moving body of ice.

32. A ________________________ is the land next to an ocean.

33. A ________________________ is land that is mostly flat.

34. A __________________ is a low area between higher land.

35. Where is magma formed?

36. What do we call the molten rock that erupts from a volcano?

37. A __________________ is a crack in the Earth’s crust.

38. An ___________________________________ is the movement that is created by sudden

shifts in direction between the parts of Earth’s crust.

39._____________________________ are downhill movements of rock and earth.

40. Moving water is the main ____________________ that shapes landforms.

40. Match the term to its definition.

Weathering	Resources that cannot be replaced
Erosion	Important material from the Earth that living things need to grow
Natural Resources	A large area where garbage is buried
Renewable Resources	Changing something to use it again
Nonrenewable Resources	Solid features formed on Earth´s crust
Conservation	Any action that breaks rock into smaller pieces
Landfill	The breaking down of living organisms
Recycling	Resources that can be replaced in a fairly short time
Landforms	The movement of weathered material
Decay	The wise use of natural resources