I WONDER - What Is Special About The Element Hydrogen?

Hydrogen, symbolized as H, is the lightest and most abundant element in the universe. It can escape Earth's gravity due to its lightness. Discovered in stars, hydrogen forms helium through nuclear fusion, releasing energy that radiates from the sun, warming Earth and supporting life.

What is the symbol for hydrogen on the periodic table?

• He

• N

• O

• H

Why is hydrogen able to escape Earth's gravity?

• Because it is reactive

• Because it is magnetic

• Because it is very light

• Because it is very dense

Where was hydrogen first discovered?

• In the Earth's core

• In the Sun and other stars

• In the ocean

• In the Earth's atmosphere

What process allows hydrogen to form helium and release energy?

• Photosynthesis

• Evaporation

• Combustion

• Nuclear fusion

How does the energy released from hydrogen affect Earth?

• It creates tides

• It cools the planet

• It warms the planet

• It causes earthquakes