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WorksheetsEarth, our home planet
Total questions: 20
Worksheet time: 7mins
Which of the following makes Earth suitable for life?
Thin atmosphere
Extreme temperature
Presence of liquid water
Lack of magnetic field
Earth’s atmosphere primarily functions to:
Keep Earth cold
Block sunlight
Trap heat and protect life
Attract asteroids
What does the term “Goldilocks Zone” mean?
The coldest zone
The largest planet area
The zone with many moons
The region with just-right conditions for life
What element in Earth’s core contributes to its magnetic field?
Carbon
Iron
Oxygen
Hydrogen
Which planet has conditions most similar to Earth?
Mercury
Venus
Mars
Jupiter
What gas in the atmosphere helps trap heat?
Nitrogen
Oxygen
Hydrogen
Carbon dioxide
Which feature makes Earth different from Venus?
Distance from the Sun
Rotation
Crater size
Moons
Earth’s liquid water is essential for:
Making craters
Supporting life
Stopping erosion
Creating clouds only
The atmosphere is similar to:
A sponge
A jacket
A glass
A ladder
What percentage of Earth's surface is covered by water?
About 25%
About 50%
About 70%
About 90%
How long does it take Earth to complete one full orbit around the Sun?
24 hours
30 days
365.2 days
1,000 days
What is the average surface temperature of Earth?
-88°C
15°C
100°C
0°C
What is the general temperature range where most life on Earth can survive?
-100°C to 200°C
-20°C to 40°C
-15°C to 115°C
-273°C to 0°C
Which of the following biogeochemical components is essential in making Earth habitable by cycling elements necessary for life?
Carbon, nitrogen, water, and oxygen
Helium, neon, and krypton
Uranium, lead, and mercury
Sulfuric acid, methane, and arsenic
What is Earth's position from the Sun in the order of planets in the solar system?
1st
2nd
3rd
4th
What is the average distance of Earth from the Sun?
14.96×10^6 km
149.6×10^6 km
1.496×10^6 km
0.1496×10^6 km
Approximately how thick is Earth's atmosphere?
10 miles
50 miles
100 miles
500 miles
