WorksheetsChemical Interactions Inv. 4 Review
Total questions: 32
Worksheet time: 43mins
Name
Class
Date
1.
A chemical reaction is:
a)
A process where starting substances change into new substances
b)
A form of matter with a unique composition
c)
The result of a change of energy in the particles of a subsstance
2.
CO2 Contains how many elements?
a)
1
b)
2
c)
3
d)
4
3.
Which is NOT a label for substances:
a)
Chemical Name
b)
Chemical Formula
c)
Common Name
d)
Common Formula
4.
Which does NOT happen to air particles when they're heated?
a)
They move faster
b)
They hit each other more
c)
They get farther apart
d)
They lose kinetic energy and get closer
5.
A process in which starting substances change into different substances is a(n)...
a)
arthropod
b)
chemical reaction
c)
mixture
d)
solution
6.
Which is NOT true about how cold air particles are different from hot air particles?
a)
The particles of cold air are smaller than the particles of hot air
b)
The particles of cold air are closer together than the particles of hot air
c)
The particles of cold air have less KE than the particles of hot air
d)
The particles of cold air move slower than the particles of hot air
7.
Which is true about gas particles compared to liquid particles?
a)
Gas particles are bonded, but can flow past each other
b)
Liquid particles are closer together
c)
Gas particles cannot be compressed
d)
Liquid particles fill the entire volume of their container
8.
Which describes how solid particles are arranged?
a)
Tightly bonded
b)
Loosely bonded (can flow)
c)
No bonds
d)
Bonded in certain environments
9.
By lining up all the known elements according to properties, what was Mendeleev able to do?
a)
make a shorter periodic table
b)
predict 30 missing elements and their properties
c)
made the table fit on one page
d)
win a Nobel Prize
10.
What happens to air when it is heated?
a)
The particles expand.
b)
The particles contract.
c)
The volume expands.
d)
The volume contracts.
11.
When kinetic energy increases
a)
particles move slower.
b)
particles become hotter.
c)
particles hit each other with decreased force.
d)
particles hit each other less frequently.
12.
What happens to particles in a piece of iron this is heated?
a)
Particles move faster.
b)
Particles move slower.
13.
What happens to particles in a piece of iron this is heated?
a)
Particles bump into each other more often.
b)
Particles bump into each other less frequently.
14.
What happens to particles in a piece of iron this is heated?
a)
Particles bump each other harder.
b)
Particles bump each other with less force.
15.
Your ring is stuck on your finger. To help get the ring off, you should put ice on
a)
your finger.
b)
the ring.
16.
Compression results in a smaller volume because of
a)
decreased pressure.
b)
increased pressure.
c)
decreased kinetic energy.
d)
increased kinetic energy.
17.
Contraction results in a smaller volume because of
a)
decreased pressure.
b)
increased pressure.
c)
decreased kinetic energy.
d)
increased kinetic energy.
18.
A plunger pressing down in a closed syringe is an example of
a)
compression.
b)
contraction.
19.
The volume of water decreasing as it cools is an example of
a)
compression.
b)
contraction.
20.
What happens to the volume of milk when it is heated?
a)
It increases.
b)
It decreases.
c)
It stays the same.
21.
What happens to the volume of a piece of wood when it is heated?
a)
It increases.
b)
It decreases.
c)
It stays the same.
22.
These 2 states of matter have no definite shape
a)
solids/ gases
b)
liquids/ solids
c)
gases
d)
gases/liquids
23.
___________- can be compressed
a)
solids
b)
liquids
c)
gases
24.
The tiniest piece of an element is a called a
a)
molecule
b)
compound
c)
particle
25.
_______________- is anything that has mass and takes up space
a)
matter
b)
mass
c)
density
26.
When gases are ________________ the particles are pushed closer together
a)
squeezed
b)
compressed
c)
squished
27.
This state of matter has a definite volume but no definite shape
a)
plasma
b)
solid
c)
liquid
d)
gas
28.
to make bigger
a)
contract
b)
squeeze
c)
expand
29.
to use force to push the particles closer together
a)
contract
b)
squish
c)
compress
30.
True or False
Gas is matter it has mass and occupies space
Gas is matter it has mass and occupies space
a)
True
b)
False
31.
True or False
The number of particles changes when compressed or expanded.
The number of particles changes when compressed or expanded.
a)
True
b)
False
32.
True or False
Gases are composed of widely spaced particles in constant motion
Gases are composed of widely spaced particles in constant motion
a)
True
b)
False
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