Show:
Solids, Liquids, and Gases
Name that Change
Changing States
All Mixed Up
Molecules
100
What do we use to describe matter? Example?
Properties Size, color, shape, texture
100
Broken glass or cut paper
Physical change
100
What is freezing? Provide an example.
Freezing is the change in state from a liquid to a solid
100
Lynette filled her fish tank with water. How much water would the tank hold? 5mL 50L 7L
7L
100
How many atoms join to together to create a molecule?
Two atoms
200
What state of matter has a definite shape and volume? Provide an example.
Solid
200
Wood burning, rusting car, cooked egg
Chemical change
200
What is melting? What is boiling? Provide examples for both.
Melting is the change in state from a solid to a liquid. Boiling is the change in state from a liquid to a gas.
200
Which object would weigh 3 grams? Chair Eraser Book
Eraser
200
How do the molecules in a gas act? What do they look like? (Draw a picture)
They move fast and are spread out.
300
What state of matter has a definite volume, but not a definite shape? Example.
Liquid
300
What is a physical change? Provide your own example.
is the change in the size, shape, or state of matter
300
How does evaporation help matter to change states? Provide an example.
By changing matter from a liquid to a gas.
300
What do we measure mass in? What do we measure liquid in?
kilograms/grams liters/milliliters
300
Please draw a picture of what the molecules look like in a solid and tell how they act.
They are close together and vibrate very slowly.
400
What state of matter hasn't either a definite shape or volume? Example.
Gas
400
What is a chemical change? What is an example?
Any change in matter that results in new matter
400
What is an example of: Evaporation, melting, freezing, boiling, and condensation?
Answers will vary
400
Provide an example of a mixture and the definition
When two kinds of matter are combined and easily separated
400
Tell how the molecules in a liquid act and draw what they look like.
Faster than the molecules in a solid and they can slide past each other
500
Please fill in these sentences. Matter can be _______________. An example is air. The material that makes up an object is call _________. The space matter takes up is called ____________. Liters are bigger than ___________.
Invisible, mass, volume, milliliters
500
Please provide three examples of a physical change and a chemical change that were not mentioned in class today.
Answers will vary.
500
Provide an example of condensation. What does condensation mean?
The change in state from a gas to a liquid.
500
Provide an example of a solution and the definition.
Two different kinds of matter which are evenly distributed throughout
500
What happens to the molecules if I add heat to matter? What about if I take the heat away from matter?
Add heat - the molecules speed up and move father apart Less heat - the molecules would slow down and move close together