2nd 9 Weeks Science Test

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 a meteoroid?

Back

A meteoroid is a smaller rock or particle from space that is smaller than an asteroid and can become a meteor when it enters Earth's atmosphere.

Front

What is a light year?

Back

A light year is a unit of distance that represents how far light travels in one year, approximately 5.88 trillion miles.

Front

What is a star?

Back

A star is a massive ball of gas held together by gravity, where nuclear fusion occurs in its core, producing light and heat.

Front

Why do stars appear smaller than the Sun?

Back

Stars appear smaller than the Sun because they are much farther away from Earth.

Front

What is the asteroid belt?

Back

The asteroid belt is a region in the solar system located between the orbits of Mars and Jupiter, containing numerous asteroids.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is gravity?

Back

Gravity is a force that attracts two bodies towards each other, depending on their masses and the distance between them.

Front

What is a galaxy?

Back

A galaxy is a vast collection of stars, gas, dust, and dark matter bound together by gravity.

Front

What is the solar system?

Back

The solar system is a collection of the Sun and all the celestial bodies that are bound to it by gravity, including planets, moons, asteroids, and comets.