This animal is the biggest animal living on Earth.
What is a blue whale?
Frozen water that falls from the sky in winter.
What is snow?
The name of the planet we live on.
What is Earth?
This organ pumps blood through your body.
What is the heart?
Tiny living things that can make you sick.
What are germs?
This animal can change its color to blend in with its surroundings.
What is a chameleon?
The huge ball of fire in the sky that gives Earth light and heat.
What is the sun?
The bright object that orbits Earth and lights the night sky.
What is the Moon?
These help you breathe and take oxygen from the air.
What are lungs?
Doctors tell you to wash your hands with this and water to remove germs.
What is soap?
These animals sleep all winter long in a deep rest called hibernation.
What are bears?
This happens when water falls from clouds as drops.
What is rain?
This red planet is the fourth planet away from the Sun
What is Mars?
This body part lets you think, learn, and remember.
What is the brain?
This system helps your body fight sickness.
What is the immune system?
This animal is known as the “king of the jungle.”
What is a lion?
The spinning movement of Earth that causes day and night.
What is rotation?
The galaxy that contains our solar system.
What is the Milky Way?
These hard structures inside your body help you stand up and move.
What are bones?
When your body temperature rises because you are sick, you have this.
What is a fever?
This mammal can fly and uses echolocation to find insects at night.
What is a bat?
The shaking of the ground when Earth's crust suddenly moves.
What is an earthquake?
These people travel to space in rockets.
What are astronauts?
This liquid inside your body carries oxygen and nutrients.
What is blood?
Doctors give these shots to help protect you from diseases.
What are vaccines?