Rabdan School 

Science Department

Science Review – Grade 7

 

Energy from Stars

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245
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1 / 10

When you divide the incoming light from an object into individual colors or wavelengths it's called ___

2 / 10

The luminosity of a star depends on ___

3 / 10

What color is the coolest star?

4 / 10

Which of the following objects emits light energy from space?

5 / 10

When you look through a telescope, what seems to be increased?

6 / 10

Among the importance of telescopes is that scientists use them to ______.

7 / 10

Stars are huge balls of __________ gasses

8 / 10

Which is the correct order of stars from COOLEST to HOTTEST?

9 / 10

The gasses in stars are:

10 / 10

What color is the hottest star?

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Telescopes

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319
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1 / 14

What type of telescope can work 24 hours a day and even be used in the rain?

2 / 14

Who invented the telescope?

3 / 14

The type of light humans can see is called ___________ light.

4 / 14

Which of the following are optical telescopes?

5 / 14

Reflecting telescopes use _______ to focus light.

6 / 14

Both reflecting and refracting telescopes are designed to ................

7 / 14

What are some of the characteristics of a good location for building a telescope?

8 / 14

Which of the following objects emits light energy from space?

9 / 14

Shortest wavelength, highest frequency wave

10 / 14

Which of the following are waves that can be collected by Earth-Based Telescopes?

11 / 14

A refracting telescope uses _______ to focus light.

12 / 14

Longest wavelength, lowest frequency wave

13 / 14

Which bands of electromagnetic radiation are blocked from reaching Earth's surface by our atmosphere?

14 / 14

Which type of wave is absorbed by Earth's atmosphere?

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Plate Tectonics

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94
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1 / 15

What happens at a convergent boundary?

2 / 15

Which of the following provided evidence for Wegener's hypothesis of continental drift?

3 / 15

What is Pangaea?

4 / 15

Which of the following are actions of moving tectonic plates?

5 / 15

The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle is known as _______

6 / 15

Which of the following happens at a transform boundary?

7 / 15

How did Alfred Wegener support his hypothesis of continental drift with evidence?

8 / 15

What is the correct order (starting from the surface) of Earth’s layers?

9 / 15

Was Alfred Wegener’s idea that continents move a hypothesis or a theory?

10 / 15

How is the concept of plate tectonics different from continental drift?

11 / 15

Why is the theory of plate tectonics considered a theory and not a hypothesis?

12 / 15

Which of the following is a piece of evidence supporting the theory of plate tectonics?

13 / 15

If the convection currents in the Earth’s mantle stopped moving, how would continental drift be affected?

14 / 15

On which layer of the Earth can tectonic plates be found?

15 / 15

Which of the following often happens at a convergent boundary?

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Types of Clouds

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193
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1 / 15

What is the first step in the formation of clouds?

2 / 15

Which type of cloud is low to the ground and covers the sky like a blanket?

3 / 15

Which term best describes water vapor?

4 / 15

Which type of cloud is lowest in the sky?

5 / 15

This type of cloud is thin, wispy, and made of ice crystals.

6 / 15

What role does the Sun play in cloud formation?

7 / 15

What type of clouds are called "fair weather clouds" and look like floating cotton?

8 / 15

What are clouds made out of?

9 / 15

Clouds form during the process of...

10 / 15

Which type of cloud is white and puffy?

11 / 15

Based on this picture of clouds, which of the following weather patterns are most likely to occur?

12 / 15

What is the process called when water vapor (a gas) becomes a liquid.

13 / 15

Which type of cloud is highest in the sky?

14 / 15

Which of the following statements best defines clouds?

15 / 15

What type of clouds are shown in the picture below?

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Weathering, Erosion, and Deposition

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47
Created by AbuBakrShalabi

1 / 15

Worms play an important role in soil formation. They help to ........ 

2 / 15

In some climates, temperatures drop significantly at night. 

How could this impact weathering of rocks? 

3 / 15

Which of the following are the three agents of erosion and deposition?

4 / 15

Which of the following is an example of deposition? 

5 / 15

Why is acidic rain falling on calcite not an example of physical weathering?

6 / 15

Which three factors affect soil formation?

7 / 15

The image above depicts the effects of chemical weathering breaking down limestone. Which type of chemical weathering causes this reaction?

8 / 15

Which of the following does not lead to erosion?

9 / 15

The breaking down of rocks and other materials on the Earth's surface.

10 / 15

How is physical weathering different from chemical weathering? 

11 / 15

Which of the following are examples of physical weathering?

12 / 15

The tallest sand dunes in North America are found in Great Sand Dunes National Park and Preserve in Colorado. These dunes were formed from the sand at the bottom of a dry lake bed. Which of the following agents is most likely responsible for the formation of the sand dunes?

13 / 15

Which rock does acidic rain chemically weather to create holes? 

14 / 15

The process by which rock and soil are moved from one place to another is called 

15 / 15

Which of the following is an example of chemical weathering?

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Rockets and Satellites

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1 / 15

This telescope will orbit the sun at a distance of 1 million miles from Earth to gather infrared waves.

2 / 15

A _____________ is a smaller object that orbits a larger object.

3 / 15

The purpose of NASA is to oversee all space missions.

4 / 15

A _______________ is an unscrewed spacecraft sent from Earth to explore objects in space.

5 / 15

Which planet in our Solar System has the most number of moons?

6 / 15

Which is the best explanation for how a rocket works?

7 / 15

A _____________ is a vehicle designed to propel itself by ejecting exhaust gas from one end.

8 / 15

What country put the first successful satellite in space?

9 / 15

Which 2 planets in our Solar System don't have any natural satellites?

10 / 15

What do natural and artificial satellites have in common?

11 / 15

Check all the types of probes.

12 / 15

What are the types of satellites?

13 / 15

This was the first man-made satellite.

14 / 15

The first satellite was put into space in the year ________.

15 / 15

Which of the following are examples of remotely controlled robotic space vehicles called rovers? (Choose 2)

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Layers of the Atmosphere

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50
Created by AbuBakrShalabi

1 / 15

What is the name of the layer marked C?

2 / 15

Meteors burn up in this layer.

3 / 15

What is the name of the layer marked A?

4 / 15

Which two describe the layer: Troposphere

5 / 15

Why is the ozone layer important?

6 / 15

What makes up the blue portion of the chart?

7 / 15

Contains the Ozone Layer.

8 / 15

Temperature decreases with altitude (height). PICK TWO.

9 / 15

Greatest air pressure because it has the most molecules.

10 / 15

Where ALL weather takes place.

11 / 15

What makes up the green section of the atmosphere?

12 / 15

Which layer makes up the section marked D?

13 / 15

Where satellites orbit.

14 / 15

As you move up in the atmosphere, what happens to the air pressure?

15 / 15

Temperature increases with altitude (height). PICK TWO.

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