2nd 9 Weeks Science Test

Front

What is the position of the asteroid belt in the solar system?

Back

The asteroid belt is located between Mars and Jupiter.

Front

List the order of the planets starting from the closest to the sun.

Back

The order of the planets is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

Front

What is a gigantic explosion that causes the death of a massive star?

Back

A supernova is the explosion that occurs when a massive star dies.

Front

What is responsible for holding the stars, gas, and dust together in a galaxy?

Back

Gravity is the force that holds stars, gas, and dust together in a galaxy.

Front

Where is a meteoroid found?

Back

A meteoroid is found in space.

Front

What is a planet?

Back

A planet is a celestial body that orbits a star and is large enough to be rounded by its own gravity.

Front

What is the difference between a meteoroid, meteor, and meteorite?

Back

A meteoroid is a small rock in space, a meteor is a meteoroid that enters Earth's atmosphere and produces a streak of light, and a meteorite is a meteoroid that lands on Earth's surface.

Front

What is the main component of the universe?

Back

The main component of the universe is dark energy, which makes up about 68% of the universe.

Front

What is a galaxy?

Back

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

Front

What is the closest planet to the sun?

Back

Mercury is the closest planet to the sun.