Earth & Science Study Guide 4th grade

Front

What is apparent motion?

Back

Apparent motion is the way something appears, or seems, to move.

Front

What type of shadow does an object have when the Sun is low in the sky?

Back

An object has a long shadow when the Sun is low in the sky.

Front

Who is an astronaut?

Back

An astronaut is a person who is trained to travel in a spacecraft.

Front

What is the Hubble Space Telescope?

Back

The Hubble Space Telescope was placed into orbit around Earth in 1990 and can show objects that are billions of trillions of kilometers from Earth.

Front

What did Galileo use to look at the sky?

Back

Galileo began looking at the sky through telescopes.

Front

What is the role of a telescope in astronomy?

Back

A telescope is an instrument that helps astronomers see distant objects in the sky.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis, while revolution is the movement of one object around another.

Front

What is the significance of the Sun in our solar system?

Back

The Sun is the central star of our solar system and provides light and heat to the planets.

Front

What is a shadow?

Back

A shadow is a dark area or shape produced by a body coming between rays of light and a surface.

Front

What is the purpose of space probes?

Back

Space probes are unmanned spacecraft that travel out of Earth's orbit to collect data about other celestial bodies.