Definitions
Is it Matter?
Properties of Matter
True or False
Physical or Chemical Change?
100
Anything that has mass or volume
Matter
100
fire
not matter
100
How light reflects or bounces off of the surface of a substance is called its ______________.
reflectivity
100
All solids are matter.
True
100
Physical Change
200
Matter is made up of tiny particles called ___________.
atoms
200
balloon
matter
200
______________ allow electricity to flow through them.
conductors
200
All sound is made of matter.
False
200
sanding wood
Physical Change
300
The amount of space an object takes up.
Volume
300
oxygen
matter
300
_________________ are words that describe the characteristics of matter.
properties
300
All liquids are matter.
True
300
Molding Fruit
Chemical Change
400
Measured in grams or kilograms, _________ tells how much matter is in something.
Mass
400
light
not matter
400
________________ describes how easily an object will dissolve in water.
solubility
400
All gases are matter.
True
400
mixing sugar and water
Physical Change
500
Why can't you see the atoms in the air we breathe?
When atoms are spread out we cannot always see matter because the particles are too small.
500
wind
TRICK QUESTION!
The answer is technically both. The air molecules are made of matter, but the movement is technically energy.
500
Which property of matter tells you how an object feels when you touch it?
texture
500
Heat and light are made of matter.
False
500
melting butter
Physical Change
600
What is the definition of a chemical change?
A change that occurs to matter where a new substance is created.
600
You (a human)
matter
600
What type of solubility is represented here?
NO solubility
the material does not dissolve at all, particles and chunks are visible throughout.
600
Boiling water is an example of a chemical change.
false
600
melting chocolate
Physical Change
700
What 3 things indicate that a chemical change has occured?
1. gas bubbles
2. temperature change
3. color change
700
electricity
not matter
700
What does it mean when a substance has high solubility?
The substance dissolves quickly and easily in water. No particles can be seen.
700
Making lemonade is an example of a physical change.
true
700
How do the holes inside a cake prove that a chemical reaction has occurred?
Hint: Think of the 3 signs of chemical reactions
The holes in a cake show that gas bubbles were made during the baking process. Gas bubbles forming is a sign of a chemical reaction.