Atoms
Newtons 3 Laws of Motion
Physical vs. Chemical changes
Properties of matter
Atoms 2
100
What is the atomic number of Ca (calcium) ?
20
100
What is Newtons 1st Law of Motion?
An object at rest stays and rest and an object in motion stays in motion unless a force is applied.
100
What is a physical change ?
A change that can be reversed.
100
Is color a chemical or physical property of matter?
physical
100
What is the atomic number of Gold (Au) ? 
79
200
What is the atomic mass of Nitrogen(N) ? 
14
200
What is Newton's 2nd law of Motion ?
F= MA : Force = Mass x Acceleration
200
What is a chemical change?
A change that cannot be reversed and a new substance is formed.
200
Is ph. a chemical or physical property of matter ?
Chemical
200
What is the atomic mass of Gold (Au) ? (round) 
197
300
How many Neutrons does Oxygen (O) have ? (Round the atomic mass) 
8
300
What is Newton's 3rd Law of Motion ?
For every action there is an equal and opposite reaction
300
Sarah says tearing a piece of paper is a physical change. Is she correct ?
Yes , she is correct because no new substance is formed and the paper can be put back together.
300
is reactivity a physical or chemical property of matter ?
chemical
300
How many neutrons does gold have ?
118
400
What atom is this ? 
Carbon
400
Two balls collide and then they both bounce back which law of motion does this show ?
Newtons 3rd law of motion.
400
Emily says that mixing baking soda and vinegar is physical change because she can see the bubbles. Is she correct ?
No, it is a chemical change because , there is the formation of bubbles and a new substance is formed.
400
Is boiling point a physical or chemical property of matter ?
physical
400
How many neutrons does Lithium(Li) have ? 
4
500
How many Electrons are present in this atom ? 
6
500
A Ping Pong ball on Ms. Smith's desk stays still until a 7th grader touches it. Which law of motion does this show?
The first law of motion.
500
What are 3 signs of a chemical change?
1) formation of bubbles or a gas
2) color change
3) a new substance is formed
4) change in PH
500
Is melting point a physical or chemical property of matter ?
physical
500
How many neutrons does sulfur have ? 
16