Show:
Matter
Chemical changes
and
Physical changes
Chemical properties
and
Physical properties
Atoms
100
What is matter?
Matter is anything that has mass and takes up space
100
What is a chemical change?
A chemical change is any change that results in the formation of new chemical substances
100

What is a physical property?

Describes a substance and can be observed with 5 senses

100

T/F: Atoms are the smallest unit of matter

True
200
Is air matter?
Yes
200
What is an example of a chemical change?
Baking soda and vinegar
200

What is a physical property of gold?

Color, Luster (Shiny)

200

What atoms make up water? 

2 hydrogens, 1 oxygen (H2O)

300
Was Democritus correct when he said that all matter is made of tiny particles?
Yes
300

EXPLAIN how paper can be changed physically?

Cut, ripped, balled up, shredded

300
What word tells us how well an item can be dissolved into another? Example: salt and water

Solubility

300

What are the parts of an atom? 

protons, neutrons, electrons

400
Matter has mass. But, what is mass?
Mass is the amount of matter a substance contains.
400

How can paper be chemically changed? 

Burning it

400
What is a chemical property of water?
Many substances dissolve in it
400

What charge do electrons have? 

Negative

500

Is mass the same as weight? Which one changes with gravity? 

No. Weight 

500
Give 2 examples of chemical changes 

burning, tarnishing, rusting

500

Silver is a malleable metal. It does not burn or react with oxygen. Which sentence shows the chemical property and which shows the physical property of silver?

The first sentence is the physical property of silver and the second sentence is the chemical property of silver

500

What charge do protons have? 

Positive