أوراق عمل Test 1 Review العلوم المتكاملة الصف الثالث

أوراق عمل Test 1 Review العلوم المتكاملة الصف الثالث

Science Test 1 Review – Lesson 1

1. A ……………………… is a trace of the remains of a living thing that died long ago
A Fossil    B Extinction    C Adaptations

2. It is when there is no more of an organism’s kind left on earth.
A Fossil    B Extinction    C Adaptation

3. The actual remains of an organism are trapped in the earth’s material.
A Trace Fossils    B Preserved Remains    C Molds and Casts

Which fossil is the youngest in this picture? .4

A 1     B 2     C 3     D 4

5. Which fossil is the oldest in this picture?

A 1     B 2     C 3     D 4

6. An animal leaves a footprint in the mud which hardens and changes to rock over time.
A Trace Fossils    B Preserved Remains    C Molds and Casts

7. Fossils tell us about living things age only.
A True    B False

8. Dinosaurs and mammoths became ……………… thousands of years ago.
A Organisms    B Extinct     C survivors

9. Casts cannot be shaped without molds.
A True     B False

10. Fossils give information about living thing’s ……………………………………………, and ………………….. Select three.

A Size    B Shelter    C Shape    D Environment

Science Test 1 Review – Lesson 2

1. ……………. living things like humans, animals, and plants.
A Organisms    B Ecosystem    C Interactions

2. The interactions between living things and nonliving things.
A Organisms    B Ecosystems    C Interactions

3. Organisms introduce into a new ecosystem either by accident or by humans.
A Organisms    B Ecosystems    C Invasive Species

4. Plants compete for ………………… and …………… in their ecosystems. Select three.
A Shelter    B Space   C Sunlight   D water

5. Interactions in ecosystems happen between living things only.
A True    B False

6. Plants give off carbon dioxide which is important for animals.
A True     B False

7. Natural event such as …………………, …………………., and ……………. can change ecosystems. Select
three.
Select 3 answers
A Floods    C Cutting trees     E Forest fires   B Pollution    D Drought

8. People change ecosystems more than other organisms.
A True     B False

9. ……………. is built to control water flow
A Wall B Dam C Bridge

10……………………. In a forest fire
A All the organisms will die.     C None of the organisms will die.    B Some of the organisms will die.

Writing Practices Grade 3 – Test 1 Review

1. Explain what fossils tell us about the environment.
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2. Explain how humans affect their environment.
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3. Explain how natural events can change the ecosystem.
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