Physical Science
Chemistry
Earth and Space Science
Geology
Human Body System
100

a term describes the resistance  to motion caused by one object rubbing against one another object 

Friction

100

 COMPOUND THAT IS ABLE TO CONTRIBUTE A HYDROGEN ION AND HAS A PH LOWER THAN 7

ACID 

100

is an example of a biome

Desert

100

THIN AND BROKEN OUTERMOST SURFACE LAYER OF THE EARTH

CRUST

100

A condition that can be diagnosed by an electrocardiogram or EKG  

A heart attack 

200

How quickly an object changes in velocity 

acceleration 

200

Suddenly increases in brightness and then disappears 

Supernova 

200

a compound that is about to contribute a hydroxide ion and has a PH greater than 7

Base. 

300

THE STUDY OF THE STRUCTURE OF LIVING ORGANISMS

ANATOMY 

400

A BLOOD VESSAL THAT CARRIES BLOOD AWAY FROM THE HEART

ARTERY

500

THE SMALLEST LIVING PART OF AN ORGANISM 

CELL