What is the atmosphere?

• A layer of water surrounding Earth

• A blanket of stars around Earth

• A bubble of air surrounding Earth

• A layer of clouds in the sky

What lies beyond the atmosphere?

• The ocean

• The mountains

• The desert

• Outer space

How long would it take to reach the sun in the fastest rocket ship?

• One month

• Six months

• Three months

• One year

How many Earths could fit inside the sun?

• One billion

• One thousand

• One hundred

• One million

Why is the sun important for life on Earth?

• It provides water

• It provides heat, light, and energy

• It provides food

• It provides shelter

What happens when the sun is behind you while walking?

• You become invisible

• You disappear

• You create a shadow

• You start glowing

What vitamin does your body produce when exposed to sunlight?

• Vitamin C

• Vitamin D

• Vitamin A

• Vitamin B

What is the study of stars and other objects in outer space called?

• Biology

• Geology

• Astronomy

• Meteorology

What changes occur in the sky when the sun sets?

• The sky turns blue

• The sky becomes black and stars appear

• The sky becomes red

• The sky remains the same

What is the main focus of astronomy?

• Studying the ocean

• Studying the Earth's core

• Studying everything beyond Earth

• Studying the weather