Science
Earth & the Solar System
Grade 7 · Middle School
Answer every question first, then press Finish to see your score and explanations.
- Question 1 of 20Easy
The outermost layer of Earth's structure is the ...
- Question 2 of 20Easy
The planet closest to the Sun is ...
- Question 3 of 20Easy
The center of the solar system is ...
- Question 4 of 20Easy
The planet that is home to living things is ...
- Question 5 of 20Easy
The instrument used to record earthquake vibrations is ...
- Question 6 of 20Easy
Molten rock material from a volcano that reaches Earth's surface is called ...
- Question 7 of 20Medium
Earth's layer with the highest temperature that is solid is the ...
- Question 8 of 20Medium
The difference between magma and lava is ...
- Question 9 of 20Medium
The largest planet in the solar system is ...
- Question 10 of 20Medium
Earth's rotation on its axis causes ...
- Question 11 of 20Medium
The time Earth needs for one rotation is ...
- Question 12 of 20Medium
Earthquakes are most often caused by ...
- Question 13 of 20Medium
Materials released by a volcano during an eruption include ...
- Question 14 of 20Medium
The asteroid belt is located between the orbits of ...
- Question 15 of 20Hard
The order of Earth's layers from the outside inward is ...
- Question 16 of 20Hard
The movement of Earth's plates rubbing and colliding with each other can cause ...
- Question 17 of 20Hard
Consider these planets! (1) Mercury. (2) Earth. (3) Mars. (4) Jupiter. The order from closest to the Sun is ...
- Question 18 of 20Hard
Earth's revolution around the Sun over one year causes ...
- Question 19 of 20Hard
Indonesia frequently experiences earthquakes because it lies in ...
- Question 20 of 20Hard
Earth's mantle layer is ...