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Unit 2B Practice

Total questions: 40

Worksheet time: 3hrs 20mins

Name
Class
Date
1.

Which of the pictures demonstrates a state of matter without a fixed shape or fixed volume?

a)

J

b)

K

c)

L

d)

M

2.

In which state of matter are the molecules spaced farthest apart?

a)

Solid

b)

Liquid

c)

Gas

d)

All are equal

3.

Which of the pictures demonstrates a state of matter with a fixed shape and a fixed volume?

a)

J

b)

K

c)

L

d)

M

4.

Which statement correctly describes both gases and liquids?

a)

Their shapes stay the same in any container.

b)

Their shapes change when they are in different containers.

c)

Their volumes stay the same in any container.

d)

Their volumes change when they are in different containers.

5.

What best explains the reason solids have a definite shape and volume?

a)

the molecules in solids move past each other easily.

b)

the molecules in solids stay in a definite location and vibrate

c)

the molecules in solids move freely in all directions.

d)

the molecules in solids do not move at all.

6.

State of matter with a definite volume, but no definite shape.

a)

solid

b)

liquid

c)

gas

7.

What happens to particles when their temperature increases?

a)

The particles move slower

b)

The particles move faster

c)

The particles lose mass

d)

The particles gain mass

8.

When ice sits out on a counter and melts, it is because the ice has...

a)

gained mass

b)

gained energy

c)

lost mass

d)

lost energy

9.

Which number has the particles moving the fastest?

a)

1

b)

2

c)

5

d)

4

e)

3

10.

What is A?

a)

Solid

b)

liquid

c)

gas

d)

melting

e)

vaporization

11.

On line B, the matter is (a)   .

12.

What is "C"?

a)

solid

b)

melting

c)

vaporization

d)

gas

e)

liquid

13.

On what part of the graph is vaporization occurring?

A
B
14.

What is letter E?

a)

solid

b)

melting

c)

gas

d)

liquid

e)

sublimation

15.

When does NaCl melt? What is the melting point?

a)

100 C

b)

451 C

c)

801 C

d)

1465 C

16.

Where is heat going in ( endothermic) ?

A
B
C
D
17.

True or false?: The particles that make up solids don't move.

a)

False

b)

True

18.

Boiling is the reverse process to freezing.

a)

True

b)

False

19.

The two types of vaporization are

a)

boiling and subliming

b)

boiling and evaporation

c)

evaporation and subliming

d)

evaporation and condensation

20.

What is vaporization?

a)

a gas becoming a liquid

b)

a liquid becoming a solid

c)

a gas becoming a solid

d)

a liquid becoming a gas

21.

During the process of sublimation,

a)

a solid turns directly into a gas

b)

a solid turns into a liquid

c)

a gas turns directly into a solid

d)

a liquid turns into a gas

22.
Faster moving particles have more _____________ energy (heat)
a)
free
b)
thermal
c)
potential
d)
responsive
23.
The change from a gas to a liquid by cooling
a)
condensation
b)
evaporation
c)
sublimation
d)
deposition
24.

Thermal energy is energy that comes from

a)

cooling

b)

heat

c)

ice

d)

water

25.
What does Evidence mean? 
a)
All scientific data that supports your claim
b)
An opinion
c)
Statement you believe to be true
d)
A statement of an opposing argument
26.
What does Reasoning mean?
a)
A solid and reasonable argument
b)
A written response to a claim
c)
An explanation that connects your evidence back to the claim
d)
An opinion you believe in 
27.
Students should not be required to do community service.
a)
Evidence statement
b)
Claim statement
c)
Reasoning statement
28.
What is the best definition for claim? 
a)
A statement you believe to be false. 
b)
A statement you believe to be true. 
c)
Evidence that proves something right. 
29.
Most students participate in extracurricular activities and do not have time for community service. 
a)
Claim statement
b)
Reasoning statement
c)
Evidence statement
30.
When you are using your 5 senses to gather facts and information, you are...
a)
Making observations
b)
Making evidence
c)
Making science
31.

"Mushrooms are more closely related to animals than plants. Plant cells have a cell wall and a large water storage compartment. Animal cells do not have a cell wall, and they only have a small water storage compartment. When you look at mushroom cells under a microscope, you can see that they have no cell wall."

 

Which of the following would make the best reasoning statement?

a)

Because mushroom cells are more similar to animal cells than plant cells, mushrooms are more closely related to animals than plants.

b)

Even though mushrooms come out of the ground like plants, they are actually more like animals.

c)

There are more than 14,000 different kinds of mushrooms.

d)

Mushrooms don't look like animals, but they are more closely related to animals than plants.

32.

You should eat a banana every day. Bananas have nutrients like potassium and magnesium. Because our bodies need potassium and magnesium to work, it is a good idea to eat a banana every day. 

 

Which is the evidence? 

a)

Bananas have nutrients like potassium and magnesium.

b)

Because our bodies need potassium and magnesium to work, it is a good idea to eat a banana every day.

c)

You should eat a banana every day because they have nutrients.

d)

Bananas are sweeter when they are ripe.

33.

Xbox has the best multiplayer games.

a)

Claim

b)

Evidence

c)

Reasoning

34.

Which sentence is an example of a claim?

 

Air is matter. When we pump air into the ball, the ball's weight increases by 5 grams. This shows that air has weight, one of the characteristics of matter.

a)

Air is matter.

b)

When we pump air into the ball, the ball's weight increases by 5 grams.

c)

This shows that air has weight, one of the characteristics of matter.

35.

Which of the following is the best definition of "evidence?"

a)

Data/facts that support your claim

b)

Reasoning that justifies your evidence

c)

All data or facts about a subject

d)

A statement that answers a question

36.

Which of the following answers the scientific question or problem?

a)

Claim

b)

Evidence

c)

Reasoning

37.

What is the mass of a 25 cm3  liquid if it has a density of 5 g/cm3?

a)

125 g

b)

5 g

c)

5gcm3\frac{5g}{cm^3}  

d)

0.2 cm30.2\ cm^3  

38.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
39.

Three liquids and two solids are placed in a graduated cylinder. The substances arrange themselves in the cylinder according to their densities. Use the information to identify the liquids and solids in the graduated cylinder. start with the top solid as substance 1, and the top liquid as substance 2, and so on

a)

Gold

b)

Mercury

c)

water

d)

Gasoline

e)

Cork

1)
2)
3)
4)
5)
40.

While digging in the backyard, you find an old coin. Its mass is 26.76 g and its volume is 3 cm3. What is the coin made of?

a)

Marble

b)

Quartz

c)

Copper

d)

Gold

e)

Platinum

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