Which one can cause a change in the state of matter of a substance?
1 point
1
Question 5
5.
Which is an example of a chemical change?
1 point
1
Question 6
6.
A solid has ___________________________
1 point
1
Question 7
7.
Which is an example of a gas?
1 point
1
Question 8
8.
Which of the following is a clue that a chemical change is occurring?
1 point
1
Question 9
9.
Which of the following is a physical change?
1 point
1
Question 10
10.
A substance with a definite volume that takes the shape of its container is a:
1 point
1
Question 11
11.
Use the following chart to answer the question below.
A group of scientists are studying how elements change from solids to liquids. They create small bricks of boron, magnesium, calcium, and iron, Each brick is 1 cm cubed. They place the bricks in an oven and gradually heat them to 1,000 degrees Celsius. At that temperature, which pair of bricks will still be in a solid state?
2 points
2
Question 12
12.
List two examples of a liquid.
2 points
2
Question 13
13.
List two examples of a gas.
2 points
2
Question 14
14.
List two examples of a solid.
1 point
1
Question 15
15.
Identify one example of matter.
1 point
1
Question 16
16.
Identify one example that is NOT matter.
5 points
5
Question 17
17.
Drag the word to the correct definition.
atom
nucleus
electron
proton
neutron
The subatomic particle that has no charge
The subatomic particle that has a negative charge
The smallest particle of an element
The center of an atom that contains protons and neutrons
The subatomic particle that has positive charge
6 points
6
Question 18
18.
Drag the word to the correct definition.
boiling point
freezing point
volume
mass
melting point
grams
the measure of how much matter is in an object
the amount of space that something takes up
the temperature where a substance becomes a gas
the temperature where a substance changes from a solid to a liquid
mass is measured in __________
the temperature where a substance changes from liquid to a solid
1 point
1
Question 19
19.
True or False. Teeth crushing food is a physical change.
1 point
1
Question 20
20.
True or False. Bending a nail with a hammer is a chemical change.
1 point
1
Question 21
21.
True or False. Water changes to steam is a chemical change.
1 point
1
Question 22
22.
True or False. Scientists mixing Sodium and Chloride to make salt is a chemical change.
1 point
1
Question 23
23.
True or False. Stomach acids dissolving pizza is a chemical change.
1 point
1
Question 24
24.
True or False. A match stick turns to ash is a physical change.
1 point
1
Question 25
25.
True or False. Snow melting is a physical change.
1 point
1
Question 26
26.
True or False. An iron pipe rusting is a chemical change.