States of Matter
Properties of Matter
What's the matter
More matter
Why does it matter?
100
Has a definite shape
solid
100
What is mass?
The AMOUNT of matter an object has
100
A mixture that has the same composition throughout is called a ...
solution
100
A cup holds 125 grams of liquid water and 100 grams of ice. What would be a reasonable mass for the cup with water when the ice melts?
225 grams
100
Which has more density?
oil or water?
The water is more dense, because the oil floats on it.
200
molecules very far apart
gas
200
What is one way that an object's physical properties can be described?
size, shape, color, texture, density, volume, magnetic, and how well it dissolves (solubility)
200
What must happen for a gas to condense?
The gas must lose heat energy and cool down.
200
The following tools can be used to separate certain mixtures. Which type of mixtures would it separate best?
A mixture of magnetic and non-magnetic items
200
Which has the most density?
honey
300
molecules very close together
solid
300
What are physical properties?
The way we describe how something looks, feels, smells.
300
What must happen for a liquid to evaporate?
The liquid must gain heat energy.
300
What does the Conservation of mass state?
That the total mass of a substance does not change even if it goes through a physical or chemical change.
Mass cannot be created or destroyed.
300
What could speed up a substance dissolving into a liquid?
adding heat, more stirring, smaller size of substance
400
molecules slide past each other
liquid
400
What is the term for the amount of SPACE something takes up?
volume
400
Which kind of change happens when a tomato rots?
chemical change
400
Mixture or solution?
ice tea
solution
400
True or False?
When matter changes state, its mass stays the same.
true
500
takes the shape of its container
liquid or gas
500
A combination of two or more substances that keep their identities are...
a mixture
500
Which kind of change happens when a pop can is crushed?
physical change
500
Mixture or solution?
fruit salad
mixture
500
True or False?
Temperature can change a solid to a liquid, but it cannot change a liquid to a solid.
false