WorksheetsChapter 4 - Review
Total questions: 55
Worksheet time: 49mins
What are the 3 states of matter?
Solid
Liquid
Gas
Mist
Frozen
In a (a) , the molecules can slide past each other.
In a (b) , the molecules can spread out in all directions.
In a (c) , the molecules are packed together very tightly.
Match the following
can be poured and have no fixed shape
Liquid
have no fixed shape and fill the whole container
Gas
have a fixed shape
Solid
Scientists have no identified a fourth state of matter, what is it?
Fire
Plasma
Oxygen
Aluminum
A substance can change from a solid directly into to a gas
True
False
(a) change is the most
common cause for the state to change
molecules lose energy and move very close together
Melting
Freezing
Evaporation
Condensation
molecules in a liquid gain more energy and move even farther apart
Melting
Freezing
Evaporation
Condensation
molecules gains energy and move farther apart
Melting
Freezing
Evaporation
Condensation
A substance can change from a solid directly into to a liquid
True
False
Water freezes at 0°C
What is another way to say this?
0° F
32° F
C of 0°
No degrees
A substance can change from a gas directly into to a solid
False
True
When a substance changes state, it (a)
molecules in a gas lose energy and move closer together
Melting
Freezing
Evaporation
Condensation
A substance can change from a liquid directly into to a solid
True
False
How is hardness measured?
Mohs Scale
Fujita Scale
Ratio Scale
Saffir-Simpson Scale
According to Mohs Scale,
(a) is the softest substance
(b) is the hardest substance
Which of these is NOT a property of matter?
Ductile
Malleable
Brittle
Elastic
Density
Which of these are both hard and brittle
glass
leather
wires
diving board
What material is malleable but becomes more brittle when heated?
Clay
Ice
Rock
Steel
Match the following
Same molecule density
inside & outside
Adding heat makes molecules less dense
More heat makes molecules less dense
Cooling makes molecules more dense.
Reorder the following
The sun warms the ground
The ground warms the air above
Warm air is less dense so it rises
Cool air sinks back down to the ground
Match the following
Solute
Sugar Cube
Solvent
Water
Solution
Sugar Water
What does Saturated mean?
A solution that cannot dissolve more solvent
A solution with a small amount of solute
A solution with small grains remaining
When a solid dissolves in water, it's molecules (a) .
How can you make molecules dissolve quicker?
Add Cold Water
Add Warm Water
Add Hot Water
Heat the Solution
Which one is NOT a solution?
Salt Water
Oil and Vinegar
Black Coffee
Vegetable Soup
Reorder the following
Carbon dioxide is dissolved in water
The bottle is sealed and contents are under pressure
Open the bottle to release the pressure
The carbon dioxide leaves the solution in the form of fizzy bubbles
Why is mercury used in thermometeres?
It is liquid at room temperature
It is solid at room temperature
It is liquid when it warms
It is a solid when it warms
Which metals are used for jewelry?
Silver
Gold
Copper
Steel
We use metals in every day life. Which of these is an example of using lead?
Radiation Apron
Jewelry
Wires
Bridges
Iron is found in many types of foods. Choose the food that is not high in iron
red meat
shellfish
legumes
green veggies
carrots
What is added to iron to make it stronger for use in civil engineering?
rock
oxygen
carbon
hydrogen
During the iron age, what was iron commonly used for?
tools
bridges
ships
trains
Iron is found in Earth's crust. Iron oxides can make soil and rocks (a) in color.
Iron is found in Earth's core. Earth has (a) due to the iron in its core.
Match the aluminum properties to an example for that property
nontoxic
thermal insulator
malleable
lightweight
corrosion-proof
Aluminum is one of the few things that can be recycled. Put the recycle process in the correct order
Recycle Bins collect used aluminum items
Crushed into cubes
Shredded into small pieces
Rolled into sheets
Used for a new product
Why is aluminum used for fire protection?
reflects heat
rejects flames
won't catch fire
non-corrosive
(won't rust)
Aluminum can be mixed with other metals to make (a)
Put these statements in order for 'Making Clouds'
A plane releases silver iodide powder
Ice and water droplets cling to the powder and form a cloud
The water droplets get heavy
It begins to rain
Why is silver used in x-rays?
Kills Bacteria
Light-Sensitive
Good Conductor
Soft
Why is silver used in antiseptics?
Kills Bacteria
Light-Sensitive
Good Conductor
Soft
Why is silver used in circuit boards?
Kills Bacteria
Light-Sensitive
Good Conductor
Soft
Why is silver used in jewelry?
Kills Bacteria
Light-Sensitive
Good Conductor
Soft
Gold is usually found in particles in rocks.
True
False
Gold never loses its shine
True
False
Gold is highly toxic
True
False
Gold can be rolled out so thin that it becomes transpent
True
False
Gold corrodes over time
True
False
Match the following
Carbon Fiber
Carbon Compounds
Fine Plastic Threads
Hydrocarbon
Each atom in a diamond forms a repeating (a) pattern.
Each atom in graphite forms a repeating (a) pattern.
Each molecule in amorphous carbon forms a repeating (a) pattern.
Each molecule in buckminsterfullerene forms a repeating (a) pattern.
