Something about matter that you can observe with one or more of your senses.
Physical Property
100
This happens to water in an open container.
A. It stays the same.
B. It turns to ice.
C. It goes into the air.
D. It becomes a different substance.
C. It goes into the air.
100
This contains only one type of matter.
A. mixture
B. matter
C. element
D. solid
C. element
100
This process changes a solid to a liquid.
melting
100
Which of the following is a chemical change?
A. water freezing
B. ice melting
C. iron rusting
D. paper tearing
C. iron rusting
200
Matter made of one kind of particle too small to see.
atom
200
Why will water evaporate?
The sun's heat causes it to evaporate.
200
The elements in the periodic table are arranged by...
A. by their importance
B. by when they were discovered
C. by the first letter in each name
D. by their properties
D. by their properties
(specifically by their atomic weight)
200
Name a form of matter AND name one property about it.
Answers will vary.
200
This happens when a log burns in a campfire.
A. The matter in the log changes to energy.
B. The matter in the log disappears.
C. The matter in the log goes into gas and ash.
D. The matter in the log changes into oxygen.
C. the matter in the log goes into gas and ash.
300
The smallest particle of mater with properties of an element.
Atom
300
If candy if left on top of a solid ice cube, what will happen?
The candy will heat and melt the ice because candy lowers the freezing point of solid ice.
300
A piece of aluminum foil is cut into tiny pieces of foil. Are the tiny pieces of foil still made up of aluminum.
Yes or No and explain.
Yes.
Cutting something into small pieces is a physical change where the matter continues to be made of the same material.
300
How does matter change form between the 3 states of matter? (What needs to be added to them for them to change form?)
Heat Energy (The temperature of the matter needs to change.)
300
This causes one type of matter to change into another kind of matter.
Chemical change
400
Elements are organized in a chart called this.
The Periodic Table
400
If you place candy in vinegar and water, which substance will dissolve the candy best?
The candy will dissolve in the water better because candy does not dissolve as quickly in acids like vinegar.
400
True or False
In ancient times people believed matter was made of 4 elements: earth, fire, water, and wind.
True
400
This process can be used to separate the salt out of saltwater?
evaporation
400
True or False.
Materials that go through a chemical change often can be changed back to the original kind of matter.
False
Materials that go through a chemical change often CANNOT be changed back to the original kind of matter.
500
A solid changing into a liquid is this.
Melting
500
What occurs when ice is heated to a high temperature?
It becomes liquid water.
500
How many different elements are there?
A. less than twenty
B. less than fifty
C. more than one hundred
D. more than three hundred
C. more than one hundred
500
Name 3 properties of gases.
Answers will vary.
500
Describe an example of a chemical change and tell why it is a chemical change.