PSSA Review-Space Science

Front

What is a satellite?

Back

A satellite is an object that orbits a planet.

Front

What causes the different phases of the Moon?

Back

The revolution of the Moon around the Earth causes different phases.

Front

What is the reason Earth experiences day and night?

Back

The rotation of Earth on its axis causes day and night.

Front

Order the following from smallest to largest: planet, solar system, galaxy, universe.

Back

Planet, solar system, galaxy, universe.

Front

Why does Earth experience different seasons?

Back

Earth experiences different seasons because it revolves around the Sun and is tilted on its axis.

Front

What is the solar system?

Back

The solar system is a collection of planets, moons, asteroids, comets, and the Sun, bound by gravity.

Front

What is the role of the Sun in the solar system?

Back

The Sun is the central star that provides light and heat, influencing the orbits of planets.

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when close to the Sun, displays a visible atmosphere and sometimes a tail.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

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 an object around another object.