Everyday Science
Nature & Weather
Space & Earth
The Human Body
Science History
100
What keeps us on the ground?
Gravity
100
This comes after summer?
Autumn
100
This orbits Earth
Moon
100
What organ pumps blood ?
100
Who invented Gravity
Newton
200
This appliance keeps the food cold what am I?
Refrigerator
200
This falls from the sky as rain or snow?
Precipitation!
200
This is the red planet
Mars
200
This organ helps us breathe
Lungs 
200
who studied relativity
Einstein
300
What keeps us alive?
300
This moves the air
Wind!
300
This planet has rings
300
This Organ helps us see
Eyes
300
This helps us see small things
Microscope
400
This appliance helps us lift heavy things? What am I?
Pulley
400
This makes plants green?
Chlorophyll
400
What is the center of our solar system?
Sun
400
This protects the brain
Skull
400
This helps people talk far away
Telephone
500
This tells the temperature, What am I?
Thermometer
500
This is a strong ocean storm
Hurricane
500
What is Earth’s outer layer
Crust
500
This helps fight sickness
Immunity
500
This medicine fights infections
Penicillin