Universe unit review

Front

What are the main gases that burn within the sun?

Back

Hydrogen and Helium.

Front

Why do moons orbit planets?

Back

Because they have gravitational pull.

Front

What is a satellite?

Back

An object that orbits a planet, helping with communication and data transmission.

Front

Why do other stars appear smaller than the sun?

Back

Because they are so far away.

Front

What influences Earth tides more, the Moon or the Sun?

Back

The Moon, because it is closer to the Earth.

Front

What is the primary component of the universe?

Back

Dark energy, which makes up about 68% of the universe.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.

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

A force that attracts two bodies towards each other, proportional to their masses.

Front

What is the role of the sun in our solar system?

Back

The sun provides light and heat, and its gravitational pull keeps the planets in orbit.