Matter
Volume
Density
Random
Physical/chemical change
100
What are the three states of matter?
Solid, Liquid, and Gas.
100
How do you find the volume of a solid?
Length X Width X Height
L X W X H
100
What determines whether an object will sink or float?
The density of the object.
100
What does this picture show?
Containers of molecules for a solid, a liquid, and a gas.
100
What is a physical change?
Any change in position, size, shape, or temperature of a substance that does not change the substance as a whole.
200
Name a substance that you can find naturally in all three states of matter.
Water
200
What do you use to measure the volume of a liquid?
Graduated cylinder.
200
What is the density of water?
1
200
What is a mixture?
1 or more substances dissolved in another.
200
True or False: You are causing a physical change when you mix salt and water?
True: because of the parts of a mixture do not change and can be separated.
300
What is matter?
Matter is anything that has mass and takes up space.
300
How do you find the volume of an object using water displacement?
Record the volume of the water first, then drop in the object and record the new volume measurement. Then subtract the 1st from the 2nd.
300
How do you find density?
Mass divided by volume.
300
What is a solute?
A substance that is dissolved in another.
300
What is a chemical change?
When particles of one substance are changed in some way to form particles of a new substance with different properties.
400
Which system do scientists use to measure matter?
Metric system.
400
When finding the measurement of a liquid in a graduated cylinder, what level do I need to be on?
Eye-level with the water level.
400
In our density experiment, why did the oil float on top of the other substances?
Because the oil was less dense then the other substances.
400
What is the solvent?
A substance that takes in or dissolves another substance.
400
What are two chemical changes caused by a metal reacting to oxygen in the air?
Rust and tarnish.