Earth's Place in Space Quiz 2

What is a model?

• A representation of a system of ideas

• A type of telescope

• A type of planet

• A type of star

What is the geocentric model?

• The model that considers the Earth as the center of the universe

• The model that considers the sun as the center of the universe

• The model that considers the moon as the center of the universe

• The model that considers the stars as the center of the universe

What is the heliocentric model?

• The model that considers the stars as the center of the universe

• The model that considers the moon as the center of the universe

• The model that considers the Earth as the center of the universe

• The model that considers the sun as the center of the universe

What is the difference between apparent and actual motion?

• Actual motion is the apparent motion of an object

• Actual motion is the perceived motion of an object, while apparent motion is the real motion of an object

• Apparent motion is the perceived motion of an object, while actual motion is the real motion of an object

• Apparent motion is the actual motion of an object

Why does the sun appear to move across the Earth's sky each day?

• Because the sun is orbiting the moon

• Because the sun is actually moving around the Earth

• Because the Earth is spinning on its axis

• Because the Earth is orbiting the sun

What does the heliocentric model consider as stationary?

• The Earth

• The stars

• The sun

• The moon

What does the spinning of the Earth explain?

• The motion of the planets in the sky

• The motion of the moon in the sky

• The motion of the stars in the sky

• The motion of the sun in the sky

What does the revolution of the Earth around the sun explain?

• The motion of the sun in the sky

• The motion of the stars in the sky

• The motion of the moon in the sky

• The motion of the planets in the sky

What is the main purpose of using models in astronomy?

• To explain and predict what we see in the sky

• To confuse people about the universe

• To predict the future of the universe

• To complicate the understanding of space

What is the Earth's place in space according to the heliocentric model?

• The Earth orbits the sun like the other planets of the solar system

• The Earth is the only planet in the solar system

• The Earth is stationary while the sun orbits around it

• The Earth is the center of the universe