Page 177 - Science Course 3 (Book 2)

Mo12-L2: Lesson Review Quiz (True or False)

Direction: On the line before each statement, write T if the statement is true or F if the statement is
false.

1. Earth’s orbit is nearly circular.

2. The motion of Earth around the Sun is Earth’s rotation.

3. As Earth revolves, it always tilts toward the Sun.

4. The Sun produces energy through nuclear fusion.

5. Day and night are caused by Earth’s rotation.

6. The equator is warmer than the poles because the Sun’s energy is more concentrated at the
equator than at the poles.

7. Seasons take place because the tilt of Earth’s rotation axis relative to the Sun stays the same
during the year.

8. On the December solstice, the north end of Earth’s rotation axis continues to point away from the
Sun, but it does so less and less.

9. A day when Earth’s rotation axis is leaning along Earth’s orbit, neither toward nor away from the
Sun, is called an equinox.

10. When the southern hemisphere is experiencing summer, the northern hemisphere is
experiencing summer.

Mo12-L2: Lesson Review Quiz (Short Answer)

Direction: Respond to each statement on the lines provided.

11. Def ne Earth’s revolution and tell what keeps Earth in its orbit.

12. Describe the effect of Earth’s rotation.

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