Weather
Human
Body
Body
Space
Plants
Earth Science
100
This instrument measures how hot and cold the air is.
Thermometer
100
This organ helps you think and control your body.
Brain
100
These are bright points of light you see in the night sky.
Star
100
I grow red petals and am often given as a symbol of love.
Rose
100
This is the outer layer of the Earth.
Crust
200
This weather tool measures how much rain has fallen.
Rain Gauge
200
This organ pumps blood through your body.
Heart
200
Which planet is known as the red planet?
Mars
200
I grow from bulbs in the ground and known for my cup-shaped colorful flower petals.
Tulip
200
This is a large body of saltwater that covers most of Earth's surface.
Ocean
300
This term describes how much water vapor is in the air.
Humidity
300
This body system helps you breathe.
Respiratory system
300
This is the force that keeps us on the ground.
Gravity
300
I grow tall and shed my leaves in the fall. I am known for my colorful leaves as well as being a sweet treat.
Maple Tree
300
This is a large natural elevation of Earth's surface.
Mountain
400
This dangerous rotating column of air can destroy buildings.
Tornado
400
This system in your body helps fight off sickness and germs.
Immune system
400
This is a large system of stars, gas, and dust held together in space.
Galaxy
400
I grow needle like leaves and stay green all year. I am often used as a Christmas tree.
Pine Tree
400
What is the hardest natural substance on Earth.
Diamond
500
This natural disaster is caused by a large ocean wave often triggered by an underwater earthquake.
Tsunami
500
What is the hard outer layer that protects teeth?
Enamel
500
This planet is an ice giant and is known for its strong winds and deep blue color.
Neptune
500
I grow near water and have long drooping branches that hang like curtains. I am known for a sad, however graceful look.
Weeping Willow
500
This is the process where Earth’s continents were once joined together in a single supercontinent before slowly drifting apart.
Continental Drift