7.9 *A* Assessment Practice

What percentage of the human body is water by weight?

• 50-60%

• 70-80%

• 60-70%

• 80-90%

Which planet is known as the "water planet" due to its liquid water surface and suitable temperature range for life?

• Mars

• Venus

• Earth

• Mercury

Tags

NGSS.MS-ESS2-4

What is the primary reason Earth's atmosphere is crucial for life?

• It contains large amounts of helium.

• It traps heat and protects organisms from the Sun's damaging rays.

• It is primarily composed of nitrogen and oxygen only.

• It allows for easy space travel.

Why does Mercury's surface temperature change drastically?

• It has a very thick atmosphere.

• It is very close to the Sun.

• It has no water and virtually no atmosphere.

• It is covered in ice.

Tags

NGSS.MS-PS3-4

What is unique about Venus's atmosphere?

• It is rich in oxygen.

• It has a thick atmosphere mostly of carbon dioxide with traces of water vapor.

• It is similar to Earth's atmosphere.

• It is the thinnest in the solar system.

What is the primary reason Earth's Moon is considered an inhospitable place?

• It has a thick atmosphere.

• It is too close to the Sun.

• There is no air to breathe.

• It is covered with water.

Which planet is known as the "Red Planet"?

• Venus

• Mars

• Jupiter

• Saturn

What makes Mars's atmosphere different from Earth's?

• It is mostly composed of oxygen.

• It contains a small amount of methane.

• It is warmer than Earth's atmosphere.

• It has a high concentration of water vapor.

Which planet has the coldest average temperature among the outer planets?

• Jupiter

• Saturn

• Uranus

• Neptune

How does Earth's proximity to the Sun support life?

• By providing light for solar panels.

• By ensuring the planet is warm enough to support life.

• By keeping the planet completely frozen.

• By generating strong winds.

Tags

NGSS.MS-ESS1-1