Grade 7 : Science (Curiosity) - 12. Earth, Moon, Sun (Set 2) Quiz

Question 1

Imagine you are observing the night sky.

If you see a New Moon today, approximately how many days will pass until you observe a Full Moon?

Accepted Answer

B) Approximately 14 days

Answer

A) Approximately 7 days

Answer

C) Approximately 28 days

Answer

D) Approximately 3 days

Question 2

During a sunny day, Maya stands outside and notices her shadow.

How would Maya's shadow typically appear in the late afternoon compared to its appearance at noon?

Accepted Answer

B) It would be shortest at noon and longest in the late afternoon.

Answer

A) It would be shortest at noon and then disappear.

Answer

C) It would be longest at noon and shortest in the late afternoon.

Answer

D) Its length would remain the same throughout the day.

Question 3

A student in New Delhi is preparing for school as the sun rises, while their pen pal in New York is getting ready for bed as the sun sets.

What Earth phenomenon is primarily responsible for the cycle of day and night experienced by these two students?

Accepted Answer

C) The Earth's rotation on its axis

Answer

A) The Earth's revolution around the Sun

Answer

B) The Moon orbiting the Earth

Answer

D) Changes in the Sun's brightness

Question 4

Fishermen in a coastal village observe that the sea level rises and falls predictably twice a day.

Which celestial body's gravitational pull is the primary factor causing these regular ocean tides?

Accepted Answer

D) The Moon

Answer

A) The Sun

Answer

B) Mars

Answer

C) Jupiter

Question 5

During July, a family in Brazil enjoys warm weather and beach activities, while a family in England bundles up for a cooler summer.

What is the main reason for these distinct seasonal differences between the Northern and Southern Hemispheres?

Accepted Answer

B) The Earth's axis is tilted as it revolves around the Sun.

Answer

A) The Earth's distance from the Sun changes significantly.

Answer

C) The Moon occasionally blocks the Sun's light from reaching Earth.

Answer

D) Varying sunspot activity influences global temperatures.

Question 6

One afternoon, Sarah notices the sky getting unusually dark, even though it's the middle of the day. As she looks up (with proper eye protection), she sees the Moon directly blocking the Sun.

What celestial event is Sarah observing?

Accepted Answer

C) A Solar Eclipse

Answer

A) A Lunar Eclipse

Answer

B) A New Moon Phase

Answer

D) A Meteor Shower

Question 7

During a clear night, a stargazing enthusiast observes the full Moon gradually changing color, appearing reddish or orange.

What astronomical phenomenon is the enthusiast most likely witnessing?

Accepted Answer

B) A total lunar eclipse.

Answer

A) A solar flare affecting the Moon's appearance.

Answer

C) A partial solar eclipse.

Answer

D) Changes in the Moon's surface composition.

Question 8

Despite being always present in the sky, distant stars are only visible to us at night, not during the day.

What is the primary reason we cannot see stars during daylight hours?

Accepted Answer

C) The Sun's overwhelming brightness makes the fainter starlight invisible.

Answer

A) Stars only emit light at night.

Answer

B) The Moon's light is too strong and blocks them during the day.

Answer

D) Clouds always cover the stars during the day.

Question 9

A young artist is sketching the Moon and wants to depict it when exactly half of its visible surface is illuminated, specifically the right half.

Which phase of the Moon should the artist illustrate?

Accepted Answer

C) First Quarter

Answer

A) Full Moon

Answer

B) New Moon

Answer

D) Third Quarter

Question 10

An astronomy club is discussing the Earth's movement. They note that the Earth travels around the Sun, completing one full cycle in approximately 365 days, which leads to the annual cycle of seasons.

What is the name for this specific yearly journey of the Earth around the Sun?

Accepted Answer

B) Revolution

Answer

A) Rotation

Answer

C) Axis Tilt

Answer

D) Precession