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SENIOR ONE- MID TERM II, 2025

Total questions: 150

Worksheet time: 2hrs 57mins

Name
Class
Date
1.
Matter can change states.
a)
True
b)
False
2.
What are the three states of matter?
a)
texture, volume, mass
b)
density, volume, mass
c)
solid, liquid, gas
d)
density, color, volume
3.
What is a solid?
a)
Solids have their own shape and size.
b)
Solids take the shape of their container.
c)
Solids spread out to fill space.
4.
What is a liquid?
a)
Liquids have their own shape and size.
b)
Liquids take the shape of their container.
c)
Liquids spread out to fill space.
5.
What is a gas?
a)
Gases have their own shape and size.
b)
Gases take the shape of their container.
c)
Gases spread out to fill space.
6.
What happens when you take a lot of heat away from a liquid?
a)
It changes to a solid.
b)
It changes to a gas.
c)
It doesn't change.
7.
Adding a lot of heat to solid changes it to a...
a)
liquid
b)
gas
c)
solid
8.
An irreversible change...
a)
can not be changed back.
b)
can be changed back.
9.
A reversible change...
a)
can not be changed back.
b)
can be changed back.
10.
Which one of these is an irreversible change?
a)
Cutting Grass
b)
Folding Paper
c)
Melting Ice
d)
Making Trailmix
11.
Which one of these is a reversible change?
a)
Freezing Water
b)
Popping Popcorn
c)
Cutting Paper
d)
Toasting Bread
12.
Burning wood is a reversible change.
a)
True
b)
False
13.
Water evaporating is a reversible change.
a)
True
b)
False
14.
A popsicle melted in the sun. What variable changed the state of matter?
a)
Heating
b)
Cutting
c)
Freezing
d)
Mixing
15.
Jim stepped in a puddle of water on his way home from school. What variable changed his shoes?
a)
Heating
b)
Freezing
c)
Wetting
16.
What happens when you mix drink powder in water?
a)
It dissolves.
b)
It evaporates.
c)
It freezes.
17.
A mixture is made of ________ or more things.
a)
1
b)
2
c)
0
d)
3
18.
Making Trail Mix is an example of ....
a)
an irreversible change.
b)
a reversible change.
19.
What kind of change is burning wood?
a)
Irreversible
b)
Reversible
20.
If it changes states, and can be put back into its original form, it is...
a)
a reversible change
b)
an irreversible change
21.

What are the three states of matter?

a)

solid, volume, mass

b)

density, volume, mass

c)

solid, liquid, gas

d)

density, gas, volume

22.

I am anything that has mass and takes up space!

a)

energy

b)

matter

c)

molecules

d)

atoms

23.

What form of matter has a definite shape?

a)

Solid

b)

Liquid

c)

Gas

d)

Square

24.

What can causes ice to transform from a solid to a liquid?

a)

The air.

b)

The cold.

c)

Shape

d)

Heat

25.

This state of matter does not have a definite size or shape.

a)

Gas

b)

Liquid

c)

Solid

d)

Milk

26.

When you see steam, fog or clouds, which state of matter is it?

a)

solid

b)

liquid

c)

gas

27.
How can you describe this picture?
a)
liquid
b)
solid
c)
gas
28.

What is an example of a solid?

a)

wind

b)

water

c)

rock

d)

juice

29.
Orange juice is an example of a ....
a)
solid
b)
liquid
c)
gas
30.

Particles closest together

a)

solid

b)

liquid

c)

gas

d)

solid, liquid and gas

31.

Particles move quickest

a)

solid

b)

liquid

c)

gas

d)

solid, liquid and gas

32.
In a solid, the particles
a)
vibrate in place
b)
slide past one another
c)
overcome the strong attraction
33.

Most gases are clear and not visible. What is the evidence that gases are matter?

a)

no evidence

b)

They have mass and occupy space— air in a ball, menthol, and the water are evidence.

34.

When a substance is cooled, will it always return to a solid state?

a)

The menthol, when cooled, returned to a solid state. Water vapor, when cooled, returned to a liquid state. Cooling does not always mean something turns into a solid; a gas could cool and become a liquid.

b)

no evidence

35.

Why is it important to pay attention to temperature when talking about a substance?

a)

Temperature affects the state of matter a substance is in.

b)

no evidence

36.

What state of matter is salt at room temperature?

a)

gas

b)

liquid

c)

solid

d)

white

37.

What state of matter is apple juice at room temperature?

a)

gas

b)

liquid

c)

solid

d)

yellow

38.

What state of matter is helium (as in a helium balloon) at room temperature?

a)

gas

b)

liquid

c)

solid

d)

clear

39.

What state of matter was the menthol at the beginning of the activity (before it was heated)?

a)

gas

b)

liquid

c)

solid

d)

crystals

40.

How does cooling or heating affect the state of matter?

a)

Cooling makes something turn into a solid.

b)

Heating makes something turn from solid to a liquid. A liquid that is heated turns into a gas.

c)

no evidence

41.

Solids can be held in the hand, liquids and gases cannot.

a)

true

b)

false

42.

Liquids and gases take the shape of the container, solids do not.

a)

true

b)

false

43.

Gases fully occupy the volume of the container, but

liquids and solids do not.

a)

true

b)

false

44.

What are some forms that water can be in?

a)

ice

b)

frozen water

c)

snow

d)

sleet

e)

hail

45.

What are some forms that water can be in?

a)

condensation

b)

steam

c)

fog

d)

water vapor

46.

The water vapor hit the watch glass, and the dish fogged up. Eventually drops of __________ formed on the watch glass.

a)

water

b)

air

c)

space

d)

time

47.

As the water boils, the water level will increase.

a)

true

b)

false

48.
This picture is an example of a ____________.
a)
solid
b)
liquid
c)
gas
d)
plasma
49.
This is an example of a _________.
a)
solid
b)
liquid
c)
gas
d)
plasma
50.
a)
This picture is showing a liquid to solid state change.
b)
This picture is showing a gas to a liquid state change
c)
This picture is showing a solid to liquid state change.
d)
This picture is showing a liquid to a gas state change
51.
Which item is not made of matter?
a)
air
b)
water
c)
a pencil
d)
a shadow
52.
a)

Liquid

b)

Solid

c)

Gas

53.
a)

Solid

b)

Liquid

c)

Gas

54.

A table is a...

a)

Solid

b)

Liquid

c)

Gas

55.

Coffee is a...

a)

 Solid

b)

Liquid

c)

Gas

56.

Air is a...

a)

Solid

b)

Liquid

c)

Gas

57.

Which one is a liquid?

a)

Window

b)

Yogurt

c)

Balloon

58.

What is the image modeling?

a)

gas compression

b)

gas expansion

c)

condensation

59.

When your nose detects an odor it means that tiny pieces of that substance get into the air and travel into your nose.

a)

True

b)

False

60.
Which of the following are four states of matter?
a)
Solid, Gravity, Liquid, and Gas
b)
Solid, Liquid, Gas, Energy
c)
Plasma, Liquid, Friction, Gas
d)
Solid, Liquid, Gas, Plasma
61.
What state of matter is shown in the image?
a)
Solid
b)
Liquid
c)
Gas
d)
Thermal Energy
62.
Which of the following is NOT a part of the Kinetic Theory of Matter?
a)
All matter is made up of tiny particles.
b)
Occasionally, particles stop moving.
c)
Particles are always moving in random paths.
d)
The type of movement of particles depends on the amount of energy.
63.
What is the phase change called that occurs when a solid turns into a liquid?
a)
Melting
b)
Freezing
c)
Condensation
d)
Vaporization
64.
Which of the following states of matter has the LOWEST level of energy?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
65.
What type of phase change occurs when a liquid turns into a gas (at the surface)?
a)
Melting
b)
Freezing
c)
Boiling
d)
Evaporation
66.
Which of the following states of matter has the HIGHEST level of energy?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
67.
What phase change occurs when a liquid turns into solid?
a)
Freezing
b)
Melting
c)
Vaporization
d)
Condensation
68.
What phase change occurs when a gas turns into a liquid?
a)
Freezing
b)
Melting
c)
Condensation
d)
Vaporization
69.
What is the description of the shape and volume of a solid piece of matter?
a)
Shape is defined and volume is defined
b)
Shape is undefined and volume is undefined
c)
Shape is undefined and volume is defined
d)
Shape is defined and volume is undefined
70.
What phase change occurs when a solid turns directly to a gas?
a)
Freezing
b)
Condensation
c)
Sublimation
d)
Vaporization
71.
At what temperature does matter change phases from a solid to a liquid?
a)
Melting Point
b)
Boiling Point
c)
100 degrees Celsius
d)
Condensation Point
72.
Which of the following choices is NOT matter?
a)
Air
b)
Water
c)
The Sun
d)
Thermal Energy
73.
Which of the following is TRUE when particles GAIN Thermal Energy?
a)
Particles move more slowly
b)
Particles move further apart
c)
Particles stop moving
d)
Particles move closer together
74.
Which of the following occurs during Vaporization?
a)
Particles overcome bonds and collide with each other and the walls of the container
b)
Bonds reform between particles
c)
Particles stop moving
d)
Energy is lost
75.

The energy of motion/movement is ___.

a)

potential energy

b)

kinetic energy

c)

mechanical energy

76.

The higher the temperature and kinetic energy, the _____ the particles move.

a)

slower

b)

faster

77.

The forces of attraction that occur between molecules are called:

a)

intermolecular forces

b)

intramolecular forces

c)

chemical bonds

78.

These properties describe a ___.

a)

solid

b)

liquid

c)

gas

79.

These properties describe a ___.

a)

solid

b)

liquid

c)

gas

80.

These properties describe a ___.

a)

solid

b)

liquid

c)

gas

81.

Which one of these is NOT an assumption of the Kinetic Molecular Theory of Gases?

a)

The collisions of gas particles are elastic, so no kinetic energy is gained or lost

b)

Gas particles are strongly attracted to one another.

c)

Gas particles do not take up space.

82.

Liquid particles have more kinetic energy than ________ particles.

a)

solid

b)

gas

83.

The particles of ___ _____generally have the least amount of kinetic energy.

a)

solids

b)

liquids

c)

gases

84.
What is Evaporation?
a)
1.Process of water movement through a plant from the drying up of its aerial parts
b)
2.Occurs on the surface of a liquid as it changes into the gaseous phase.
c)
3.Occurs when rain drops fall
d)
4.All of the above
85.

Condensation involves a change of state from ___ to ___

a)

Liquid to Solid

b)

Liquid to Gaseous

c)

Solid to Liquid

d)

Gaseous to Liquid

86.

Drying clothes in sunlight is the example of ______

a)

condensation

b)

evaporation

87.
Dew drops seen in the leaves of some plants in the morning. This is an example of__________.
a)
Evaporation
b)
Condensation
88.

Condensation occurs when water vapour....

a)

loses heat

b)

gains heat

89.

what is evaporation?

(a)  

90.

When a glass of water is kept in the hot sun it changes to ice in the process of condensation.

a)

TRUE

b)

FALSE

91.

when water is heated and changes to vapour it is called ______

a)

condensation

b)

evaporation

c)

cooling

d)

none of these

92.

Which is required during a phase change?

a)

a. energy

b)

b. sublimation

c)

c. vibration

d)

d. water

93.
To clean spectacles, people often breathe out on the spectacles. This is an example of__________.  
a)
Condensation
b)
Evaporation
94.

At constant temperature, as volume increases, pressure ________________.

a)

increases

b)

decreases

95.

At constant pressure, as temperature increases, volume ______________.

a)

increases

b)

decreases

96.

How does the physical appearance of dry ice differ from regular ice?

a)

Dry ice is a liquid with a bluish color.

b)

Dry ice looks like soft fluffy snow.

c)

Dry ice is a solid white material.

d)

Dry ice is a gas with a strong odor.

97.

How does the cooling effect of dry ice compare to regular ice?

a)

Dry ice and regular ice have the same cooling effect.

b)

Regular ice has a stronger cooling effect than dry ice.

c)

Dry ice has a stronger cooling effect than regular ice.

d)

Dry ice has a weaker cooling effect than regular ice.

98.

Compare the density of dry ice to that of water. Does dry ice sink in liquid water?

a)

No

b)

Yes

99.

What is the chemical formula of dry ice?

a)

O2

b)

CH4

c)

H2O

d)

CO2

100.
The first step of the Scientific Method is
a)
Experiment!
b)
Gather Data
c)
Hypothesis
d)
Make an Observation
101.
This variable in an experiment is the one being changed on purpose by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
102.
In a controlled experiment, how many variables should be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
however many makes sense
103.
Isaac sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the independent variable.
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
weight of the ball
104.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
105.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
106.
Maggie is studying how different colors of light affect the growth of plants. All of these things should be kept constant EXCEPT
a)
color of light
b)
type of plant
c)
amount you water the plant
d)
type of soil
107.
Which state of matter has the most energy?
a)
gas
b)
solid
c)
liquid
108.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
109.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
110.
The state of matter that has no definite size or shape is
a)
Solid
b)
Liquid
c)
Gas
111.
Particles of a liquid...
a)
are tightly packed together and stay in a fixed position
b)
never touch each other
c)
decrease in volume with increasing temperature
d)
are free to move around one another but still touch
112.
Which of the following causes a solid to change to a liquid?
a)
freezing
b)
evaporation
c)
heat
d)
water
113.
Matter is anything with ___ and ____
a)
Mass, Weight
b)
Weight, Volume
c)
Mass, Volume
d)
Volume, Weight
114.
This happens when dry ice is added to a liquid.  It changes immediately from a solid to a gas.
a)
condensation
b)
evaporation
c)
sublimation
d)
exothermic reaction
115.
When the temperature of matter increases, the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
116.
Water (H20) can be solid, liquid, or gas.
a)
True
b)
False
liquid
117.
What does this picture represent? 
a)
solid
b)
liquid
c)
gas
d)
plasma
118.
What does this picture represent? 
a)
solid
b)
liquid 
c)
gas
d)
plasma
119.
When matter changes state (like from solid to liquid), it is a...
a)
physical change
b)
chemical change
c)
costume change
d)
change in season
120.
When a substance changes from liquid to gas, it is called...
a)
evaporation
b)
melting
c)
freezing
d)
condensation
121.
Prediction to the question you asked.
a)
Question
b)
Hypothesis
c)
Results
d)
Conclusion
122.
The steps you took to do your experiment.
a)
Results
b)
Problem
c)
Procedure
d)
Conclusion
123.
Tells what happened when you did your experiment.
a)
Results
b)
Hypothesis
c)
Procedure
d)
Problem
124.

A student measures the mass of an object on a balance. The balance reads 23.5 grams. This is a type of ________________ data.

a)

quantitative

b)

qualitative

125.
If you wake up on a Saturday morning, and notice you cannot find your phone, you have made a(n)
a)
discovery
b)
law
c)
idea
d)
observation
126.
You think that you may have left your phone in your pocket. This is a(n)
a)
hypothesis
b)
problem
c)
result
d)
conclusion
127.
An experiment cannot have more than one hypothesis.
a)
True
b)
False
128.

A student designs an experiment that measures the height of a plant after being exposed to different amounts of sunlight. The independent variable in this experiment is

a)

amount of sunlight

b)

height of the plant

c)

type of plant

d)

amount of water

129.
Qualitative data relies on numbers.
a)
False
b)
True
130.

Which variable do you measure in an experiment?

a)
Independent
b)
Dependent
131.
Which variable do you change in an experiment?
a)
Dependent
b)
Independent
132.
Which of the following is NOT a group you should have in your experiment?
a)
Independent
b)
Experimental
c)
Control
133.

After completing an experiment, which of the following steps should be completed next?

a)

Form a hypothesis

b)

Collect and record data

c)

Draw conclusions

d)

Make an observation

134.

___________ variables stay the same during an experiment.

a)

independent

b)

dependent

c)

controlled

135.

Before doing an experiment, which of the following should be done? (Select all that apply)

a)

Ask a question

b)

Draw conclusions

c)

Collect data

d)

Form a hypothesis

136.

What is the purpose of hazard symbols?

a)

To indicate the dangers associated with the substance inside

b)

To decorate containers

c)

To provide nutritional information

d)

To show the price of the substance

137.

What is a hazard?

a)

A type of food

b)

Something that has the potential to cause harm or damage

c)

Something that is always safe

d)

A type of clothing

138.

What can concentrated acids do?

a)

Clean surfaces

b)

Make food taste better

c)

Heal wounds

d)

Corrode metal, stonework, clothes, and skin

139.

What is risk in the context of hazards?

a)

The chance that a hazard will cause harm

b)

The guarantee of safety

c)

The cost of a substance

d)

The color of a substance

140.

Why are hazard symbols important even if a person cannot read the writing?

a)

They are colorful

b)

They are used for decoration

c)

They provide a warning through symbols

d)

They are written in multiple languages

141.

What should a risk assessment describe?

a)

How to increase the risk of harm

b)

How to reduce the risk of harm when carrying out an experiment

c)

The price of the substance

d)

The history of the substance

142.

What is an example of a corrosive substance?

a)

Salt

b)

Sugar

c)

Concentrated acids

d)

Water

143.

What can hazards cause?

a)

Good luck

b)

Adverse health effects, either straightaway or later

c)

Happiness

d)

Improved vision

144.

What is the role of hazard symbols in the laboratory?

a)

To entertain students

b)

To give information about how to work safely with the substance

c)

To provide recipes

d)

To show the expiration date

145.

What is NOT a function of hazard symbols?

a)

Indicating dangers

b)

Providing safety information

c)

Decorating the container

d)

Warning about potential harm

146.

This risk mostly occurs when the individuals are working around live electrical apparatus.

a)

Chemical accidents

b)

Electrical accidents

c)

Ergonomic accidents

d)

Physical accidents

147.

This hazard affects individuals whose work stresses on their body.

a)

Chemical accidents

b)

Electrical accidents

c)

Ergonomic accidents

d)

Physical accidents

148.

This hazard threatens employees because their roles exposed them to dangerous liquids, solvents, or flammable gases.

a)

Chemical accidents

b)

Electrical accidents

c)

Ergonomic accidents

d)

Physical accidents

149.

These hazards may not be noticeable at first which makes them much harder to identify.

a)

Chemical accidents

b)

Electrical accidents

c)

Ergonomic accidents

d)

Physical accidents

150.

Occupational hearing loss, postural defects, falls, and accidents are an example of what kind of hazard?

a)

Chemical accidents

b)

Electrical accidents

c)

Ergonomic accidents

d)

Physical accidents

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