Chapter 3 Vocab Quiz

What is the solar system composed of?

• The sun, planets, small system bodies, and other objects

• Only the sun and planets

• Only planets and moons

• Only stars and galaxies

What keeps the objects in the solar system in orbit around the sun?

• The sun's gravity

• The moon's gravity

• Earth's magnetic field

• The solar wind

What is the atmosphere?

• The solid surface of the Earth

• The layer of gases that surrounds the Earth

• The Earth's core

• The Earth's water bodies

What is the movement of the Earth on its axis called?

• Revolution

• Rotation

• Orbit

• Tilt

How many degrees does the Earth rotate every twenty-four hours?

• 180°

• 90°

• 360°

• 45°

What is the axis in relation to the Earth?

• The line about which the Earth rotates

• The line dividing the Earth into hemispheres

• The line marking the equator

• The line indicating the Earth's orbit

What is the term for the Earth's trip around the sun once a year?

• Rotation

• Revolution

• Orbit

• Axis

What is an equinox?

• A point in time when the length of day and night are approximately equal all over the planet

• The longest day of the year

• The shortest day of the year

• A point in time when the length of day is twice the length of night

What is a solstice?

• An event when the sun reaches its greatest angular distance from the equator twice each year

• An event when the moon is closest to the Earth

• A period of 24-hour daylight at the poles

• A time when the Earth is closest to the sun

What are the three latitude zones in relation to the equator?

• Tropics, Temperate, Polar

• Arctic, Antarctic, Equatorial

• Desert, Rainforest, Tundra

• Coastal, Inland, Mountainous