Our Planet Earth

Question 1

Hours of daylight and darkness are exactly equal on a(n) __________ day. A. normal B. solstice C. revolutionary D. equinox Please select the best answer from the choices provided

Revolt · Accepted Answer

D: D

Question 2

According to the online content article about days and nights on Earth, why does the length of a day change throughout the year? A. because the Sun revolves around the Earth B. because the Earth’s axis is tilted C. because it takes a year for the Earth to rotate once D. because the Earth’s orbit is not elliptical Please select the best answer from the choices provided

Revolt · Accepted Answer

B: B

Question 3

Which of the Earth’s spheres is made up of all living things? A. the atmosphere B. the biosphere C. the lithosphere D. the hydrosphere Please select the best answer from the choices provided

Revolt · Accepted Answer

B: B

Question 4

The Earth completes one revolution every __________. A. day B. week C. month D. year Please select the best answer from the choices provided

Revolt · Accepted Answer

D: D

Question 5

What does it mean to sustain something? A. to rotate around it B. to destroy it C. to divide it into parts D. to preserve it or care for it Please select the best answer from the choices provided

Revolt · Accepted Answer

D: D

Question 6

An organism is a __________. A. body of water B. piece of the Earth’s crust C. living thing D. part of the atmosphere Please select the best answer from the choices provided

Revolt · Accepted Answer

C: C

Question 7

Which of the Earth’s spheres is composed of all the water on the planet, including oceans, seas, and rivers? A. the hydrosphere B. the atmosphere C. the biosphere D. the lithosphere Please select the best answer from the choices provided

Revolt · Accepted Answer

A: A

Question 8

Which of the Earth’s spheres is made up of the gases and air that surround the Earth and sustain life? A. the hydrosphere B. the lithosphere C. the biosphere D. the atmosphere Please select the best answer from the choices provided

Revolt · Accepted Answer

D: D

Question 9

The tilt of the Earth’s axis causes seasons. When it is wintertime in the Northern Hemisphere, which season is taking place in the Southern Hemisphere? A. winter B. spring C. summer D. fall Please select the best answer from the choices provided

Revolt · Accepted Answer

C: C

Question 10

Which of the Earth’s spheres is made up of the Earth’s crust and the land on its surface? A. the atmosphere B. the hydrosphere C. the lithosphere D. the biosphere Please select the best answer from the choices provided

Revolt · Accepted Answer

C: C

Our Planet Earth Answers

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