unit 1
unit 2
unit 3
unit 4
100

the two things that are in the nucleus 

what is in the nucleus?


100

hammering out gold

what is physical change 

100

a rocket taking off 

what is action/reaction 
100

cold air becomes 

what is more dense 

200

a positive charge in the nucleus 

what is protons 

200

water boiling 

what is chemical change 

200

a satellite orbiting earth 

what is newton's first law

200

warm air becomes 

what is less dense 
300

a in ape stands for

what is atomic number 

300

crackingd an egg 

what is physical change

300

a tendency to do nothing or have no change 

what is the law of inertia

300
not needed for a hurricane 

what is high pressure 

400

m in man stands for

what is mass number 

400

baking a cake 

what is chemical change 

400

newtons second law 

what is law of acceleration 

400
needed for a hurricane 

what is low pressure