Exploring the Sun: Our Solar System's Star

What is the only star in our solar system?

• The Moon

• Mars

• The Sun

• Jupiter

What element does the Sun use as fuel?

• Nitrogen

• Carbon Dioxide

• Hydrogen

• Oxygen

What is the most common element in the universe?

• Hydrogen

• Carbon

• Oxygen

• Iron

How long will the Sun continue to burn with its hydrogen supply?

• At least 5 million years

• At least 500 years

• At least 5 thousand years

• At least 5 billion years

Approximately how far is the Earth from the Sun?

• 93 thousand miles

• 93 million miles

• 93 billion miles

• 930 thousand miles

What would happen if Earth was much closer to the Sun?

• It would have more water

• It would be perfect for life

• It would be too hot

• It would be too cold

What process do plants use to make food from sunlight?

• Respiration

• Digestion

• Photosynthesis

• Fermentation

What would the Earth be like without sunlight?

• Slightly cooler

• Very hot

• Unchanged

• Completely dark

How do humans use sunlight for energy?

• Through wind turbines

• Using solar panels

• By burning fossil fuels

• Through hydroelectric power

What is solar energy?

• Energy from the Earth

• Energy from the Sun

• Energy from water

• Energy from the wind