Planets and Their Characteristics

This video from Moomoomath and Science covers Earth Science Vocabulary for Week 3. It explains terrestrial planets, which are rocky planets like Mercury, Venus, Earth, and Mars. It also discusses gas giants, large planets made mostly of gases, including Jupiter, Saturn, Uranus, and Neptune. The video provides details about Mercury, the closest and smallest planet to the Sun, and Venus, the second planet from the Sun and the brightest. Finally, it explains the concept of an atmosphere, the layers of gas surrounding planets. The video concludes with a call to subscribe and share.

What are terrestrial planets primarily made of?

• Liquid water

• Gases like hydrogen and helium

• Rocks or metals with a hard surface

• Ice and dust

Which of the following is NOT a terrestrial planet?

• Mars

• Jupiter

• Venus

• Mercury

What are gas giants mainly composed of?

• Molten lava

• Gases such as hydrogen and helium

• Liquid water

• Solid rock

Which planet is known as the smallest and closest to the Sun?

• Mars

• Mercury

• Earth

• Venus

Why is Mercury named as such?

• It has a thick atmosphere

• It is the largest planet

• It is the brightest planet

• It circles the Sun faster than other planets

Which planet is the brightest of all the planets?

• Saturn

• Jupiter

• Mars

• Venus

What is an atmosphere?

• A liquid ocean on a planet

• A layer of gas surrounding a planet

• A solid surface of a planet

• A ring of ice around a planet