6th Grade Science

Unit 3 Earth and Beyond

ReviewQuestions

1. What causes the Sun to appear to move?

a. Earth’s rotation c. Earth’s distance from the Sun

b. Earth’s revolution d. Earth’s tilted axis

Answer:

Earth’s rotation

Unit 3 Review

2. Earth is farthest from the sun during _____.a. spring c. winterb. summer d. fall

Answer:

summer

Unit 3 Review

3. The Moon takes _____ to revolve around the Earth?a. 24 hours c. 23.5 daysb. 365 days d. 27.3 days

Answer:

27.3 days

Unit 3 Review

4. The solar system is made of ___?a. planets c. cometsb. asteroids and meteoroids d. all the above

Answer:

All the above

Unit 3 Review

5. _______ was the first piloted U.S. space program.a. Project Gemini c. Project Alphab. Project Apollo d. Project Mercury

Answer:

Project Mercury

Unit 3 Review

6. The moon takes _______ to rotate once.

a. 24 hours c. 23.5 days

b. 365 days d. 27.3 days

Answer:

27.3 days

Unit 3 Review

7. What is the phase of the moon in the photo above?a. new c. fullb. 1st quarter d. 3rd quarter

Answer:

full

8. Electromagnetic radiation includes ____.a. Radio waves c. ultraviolet radiationb. X rays d. all of the above

Answer:

All of the above

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9. What kind of telescope uses mirrors to collect light?a. reflecting c. radiob. refracting d. electromagnetic

Answer:

reflecting

Unit 3 Review

10. Who was the first human into space?

a. Edwin Aldrin c. Neil Armstrong

b. Yuri Gagarin d. John Glenn

Answer:

Yuri Gagarin

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11. The Moon appears to be getting larger during the ____ phase.a. waxing c. crescentb. waning d. gibbous

Answer:

waxing

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12. What is the speed of light in space?a. 300 km/s c. 30,000 km/sb. 3,000 km/s d. 300,000 km/s

Answer:

300,000 km/s

Unit 3 Review

13. Which planet has a complex ring system consisting of thousands of ringlets?.a. Mars c. Jupiterb. Saturn d. Venus

Answer:

Saturn

Unit 3 Review

15. The imaginary line extending between the poles around which Earth spins is its _____.a. circle c. sphereb. ellipse d. axis

Answer:

axis

Unit 3 Review

17. ____ Mission landed the 1st astronauts on the moon.a. Luna c. Geminib. Sputnik d. Apollo

Answer:

Apollo

Unit 3 Review

18. Which season is beginning for the northern hemisphere?

a. spring c. fall

b. summer d. winter

Answer:

summer

19. Select the order from the smallest to largest.

a. Sun, Milky Way, solar system, universe

b. Sun, Milky Way, universe, solar system

c. Sun, solar system, Milky Way, universe

Answer:

Sun, solar system, Milky Way, universe

Unit 3 Review

20. The Moon appears to be getting larger during its waning phase.a. Trueb. False

Answer:

False

Unit 3 Review

21. February 8 is a _____ phase

a. Waxing crescent c. Waxing gibbous

b. Waning crescent d. Waning gibbous

Answer:

Waxing crescent

23. A(n) _____ is the darkest part of the shadow during an eclipse.

a. umbra c. waxing gibbous

b. prenumbra d. waning gibbous

Answer:

umbra

Unit 3 Review

25. December 21 or 22 in the northern hemisphere is the ____.

a. Winter Solstice c. Spring Equinox

b. Summer Solstice d. Fall Equinox

Answer:

Winter solstice

Unit 3 Review

26. The imaginary line extending between the poles around which Earth spins is its _____.a. circle c. sphereb. ellipse d. axis

Answer:

axis

Unit 3 Review

28. The Moon’s crust is the thinnest on the side facing the Earth.a. Trueb. False

Answer:

True

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29. An object that revolves around another object in space is a(n)_____.

a. rocket c. electromagnetic spectrum

b. satellite

Answer:

satellite

Unit 3 Review

30. What is Jupiter’s Great Red Spot?a. giant storm system c. iron oxide depositb. impact crater

Answer:

Giant storm system

Unit 3 Review

32. The Earth’s period of revolution is ___ .

a. 24 hours c. 365 days

b. 27.3 days d. 1000 years

Answer:

365 days

Unit 3 Review

33. What causes the seasons?a. Earth’s rotation b. Earth’s distance from the sunc. Earth’s tilted axis d. Alignment of Earth, Moon, and Sun

Answer:

Earth’s titled axis

Unit 3 Review

34. June 21 or 22 in the northern hemisphere is the ____.

a. Winter Solstice c. Spring Equinoxb. Summer Solstice d. Fall Equinox

Answer:

Summer Solstice

Unit 3 Review

35. Where is the asteroid belt?a. between Mercury and Venusb. between Mars and Jupiterc. beyond Pluto

Answer:

Between Mars and Jupiter

Unit 3 Review

37. Which of the following is a natural satellite of Earth?a. Skylab c. the Sunb. Space Shuttle d. the Moon

Answer:

The Moon

Unit 3 Review

38. When Earth’s shadow fall on the moon.a. lunar eclipseb. solar eclipse

Answer:

Lunar eclipse

Unit 3 Review