Free Printable Quarterly #2 REVIEW 2023

1.

A possible explanation, what you think will happen, to a problem that has not yet been tested.

a)

data

b)

theory

c)

hypothesis

d)

fact

2.

This variable in an experiment that is the ONE being deliberately (on purpose) changed by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

3.

Should experiments be repeated over and over to see if the results are the same each time?

a)

yes

b)

no

4.

The summary at the end of an experiment that explains the results in greater detail. This includes what you think may have gone wrong and what you would like to test next.

a)

conclusion

b)

procedures

c)

materials

d)

responding variable

5.

A series of procedures used by scientists to solve a problem or answer a question.

a)

scientific method

b)

recipe

c)

data collection

d)

metric system

6.

In a controlled experiment, how many independent variables can be worked with at a time?

a)

one

b)

none

c)

two or more

d)

how ever many makes sense.

7.

The order of steps you need to follow that help you conduct an experiment.

a)

obervations

b)

question/problem

c)

materials

d)

procedures

8.

Mrs. O sets up an experiment to see how the mass of a ball affects the distance it rolls off a 10 foot 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

9.

Mrs. O sets up an experiment to see how the mass of a ball affects the distance it rolls off a 10 foot ramp. Identify the dependent variable.

a)

height of the ramp

b)

distance traveled by the ball

c)

mass of the ball

d)

weight of the ball

10.

A student is planning an experiment to find out how the height from which he drops a baseball affects how high the baseball 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

11.

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

a)

Dependent

b)

Independent

c)

Control

d)

Compound

12.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

a)

The type of plant

b)

Water, apple juice, milk

c)

The height of the plant

d)

The color of the plant's leaves

13.

What is a hypothesis?

a)

A hypothesis is the right answer to an experiment.

b)

A hypothesis is the wrong answer to an experiment.

c)

A hypothesis is an educated guess.

d)

I don't know.

14.

Which is NOT a step in the scientific method?

a)

Come up with a question

b)

Form a theory

c)

Collect materials

d)

Form a hypothesis

e)

Write a conclusion

15.

What step does every scientific experiment begin with?

a)

hypothesis

b)

question/problem

c)

procedures

d)

conclusion

16.

This part of the experiment remains the same so a comparison can be made.

a)

experimental group

b)

control variable

c)

dependent variable

d)

independent variable

17.

Which of these contains steps of the Scientific Method in the BEST order?

a)

Make a conclusion, ask a question, state your hypothesis, research, experiment, analyze

b)

Research, state your hypothesis, ask a question, experiment, analyze the data, make a conclusion

c)

Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion

d)

State your hypothesis, ask a question, research, make a conclusion, experiment, analyze the data

18.

Why do we want to test only ONE independent variable at a time?

a)

Because it is hard to setup a data table with more than one variable

b)

To better identify what is causing the changes

c)

It is what has always been done

d)

It's easier to perform the experiment

19.

Should experiments be repeated over and over to see if the results are the same each time?

a)

yes

b)

no

20.

The SUMMARY at the END of an experiment that explains the results in greater detail. This goes beyond writing about the data you collected.

a)

conclusion

b)

procedures

c)

materials

d)

results

21.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the control variables?

a)

The type of plant, soil, sunlight

b)

The type of plant, soil, sunlight, water

c)

The type of plant, soil, sunlight, water, juice

d)

The type of plant, soil, sunlight, water, juice, milk

22.

The explanation of the charts or graphs you created. This does not include anything but FACTS based on the DATA you collected.

a)

conclusion

b)

procedures

c)

materials

d)

results

23.

The items a scientist collects in order to conduct an experiment.

a)

materials

b)

questions

c)

results

d)

procedure

24.

Most experiments begin with a _____ that a scientist has about something. Mrs. O was wondering why the taco sauce cleaned her penny so well.

a)

material

b)

question

c)

result

d)

conclusion

25.

Which science process skill involves using your five senses to describe what you see, hear, smell, feel, and taste?

a)

inferring

b)

predicting

c)

measuring

d)

observing

26.

Which science process skill uses numbers to describe an object?

a)

inferring

b)

predicting

c)

measuring

d)

observing

27.

Which science process skill involves making up categories or grouping things together?

a)

experimenting

b)

measuring

c)

classifying

d)

analyzing data

28.

Which science process skill uses a test under controlled conditions and follows steps?

a)

measuring

b)

experimenting

c)

collecting information

d)

inferring

29.

Which science process skill involves sharing ideas through talking and listening, drawing and labeling pictures, graphs, etc.?

a)

predicting

b)

experimenting

c)

measuring

d)

communicating

30.

Which science process skill involves guessing what might happen in the future using graphs and charts - not personal experience?

a)

inferring

b)

experimenting

c)

predicting

d)

communicating

31.

You notice a boy has on a blue jacket.This is an example of a(n) ____.

a)

inference

b)

observation

c)

prediction

d)

hypothesis

32.

If it is cold outside, then the boy will wear his blue jacket. This is an example of a(n) ___.

a)

observation

b)

inference

c)

prediction

d)

hypothesis

33.

What science skill do you use when you read graphs about temperature?

a)

inferencing

b)

predicting

c)

analyzing data

d)

experimenting

34.

There is a breeze blowing through your classroom disturbing a pile of papers. Your teacher places a hockey puck on the pile of papers. You think to yourself, “A hockey puck is a paper weight!” What process skill is demonstrated?

a)

predicting

b)

measuring

c)

making models

d)

making operational definitions

35.

You look at the table and think to yourself that it seems to be 3 feet high. Then you decide to actually measure it. What process skill is demonstrated?

a)

communicating

b)

classifying

c)

estimating and measuring

d)

making operational definitions

36.

For homework, you built a paper airplane. In class we tested the plane in various ways. What process skill is demonstrated?

a)

making models

b)

making operational definitions

c)

estimating and measuring

d)

classifying

37.

It is a process of explaining data created from the experimentation on charts or graphs.

a)

interpreting data

b)

formulating hypothesis

c)

experimenting

d)

defining

38.

I use a Lego set to build a miniature version of the Empire State Building. Which process skill is this demonstrating?

a)

classifying

b)

communicating

c)

making operational definitions

d)

making and using models

39.

The ONE factor that a scientist changes during an experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

40.

The variable that is measured.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

41.

The factors that stay the same or are constant throughout the experiment.

a)

Control Variable

b)

Dependent Variable

c)

Independent Variable

42.

In a controlled experiment, how many independent variables can be tested at a time?

a)

one

b)

none

c)

two or more

d)

how ever many makes sense.

43.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Releasing the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

44.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Releasing the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

45.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What are two controlled variables? (Select 2 answers)

a)

Releasing the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

46.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the independent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

The amount of sunlight

47.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the dependent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

The amount of sunlight

48.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What are two controlled variables? (Select 2)

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

The amount of sunlight

49.

Things a scientist either measures, keeps the same, or changes when doing an experiment.

a)

operational definitions

b)

hypotheses

c)

procedures

d)

variables

50.

Something that takes up space and has mass.

a)

volume

b)

matter

c)

mass

d)

density

51.

Which instrument should be used to measure temperature?

a)

stop watch

b)

thermometer

c)

measuring tape

d)

graduated cylinder

52.

Heat always transfers from a _____ object to a ____ object.

a)

warmer, cooler

b)

cooler, warmer

53.

How will the temperature of a cup of boiling water change after it has been sitting on the counter for 30 minutes?

a)

It will decrease

b)

It will stay the same

c)

It will increase first and then decrease

d)

It will increase greatly

54.

When you hold an ice cube in your hand. It begins to melt as you squeeze it. Why?

a)

You absorb heat from the ice.

b)

You release cold to the ice.

c)

Cold moves from the ice onto your hand as it melts.

d)

Heat moves from your hand into the cube and warms it.

55.

Heat causes the particles in matter to move ______________

a)

slower

b)

faster

56.

Heat always travels from _____ to ______ objects.

a)

hot to cold

b)

cold to hot

c)

cold to cold

d)

hot to hot

57.

The freezing point fo water is...

a)

32 degrees Fahrenheit

b)

0 degrees Celsius

c)

all of the above

d)

None of the above

58.

The boiling point of water is...

a)

212 degrees Fahrenheit

b)

100 degrees Celsius

c)

Both

d)

None of the above

59.

The TOTAL amount of energy in matter is _____ .

a)

friction

b)

thermal energy

c)

conductor

d)

heat

60.

The FLOW of thermal energy form a warmer to a cooler substance is ___.

a)

temperature

b)

insulator

c)

Celsius

d)

heat

61.

The MEASUREMENT of the movement of the particles in matter is ________.

a)

thermal energy

b)

heat

c)

temperature

d)

non of the above

62.

Why are metals useful for making electrical wire?

a)

Metals do not bend.

b)

Metals hold much heat.

c)

Metals are insulators.

d)

Metals are conductors.

63.

Which is NOT an insulator.

a)

Wool

b)

Plastic

c)

Copper

d)

Glass

64.

What is a example of a conductor?

a)

wood

b)

metal

c)

rubber

d)

rock

65.

Which one is an insulator?

a)

Silver

b)

Copper

c)

Mechanical pencil

d)

plastic

66.

If the ball cannot go through the ring, I must . . .

a)

make the ball hot and the ring

b)

make the ring hot

c)

make the ball hot

d)

must put the ring and ball in cold water

67.

When you cool a substance the particles . . .

a)

vibrate less and take up less space

b)

move the same and take up more space

c)

vibrate more and take up less space

d)

vibrate less and take up more space

68.

4. If the atoms of an object are moving or vibrating slowly, the object would feel...

a)

Cold

b)

Hot

c)

Unknown

69.

If the ball cannot fit through the ring, which two things could help the ball fit through the ring. . .

a)

heat up the ring to expand it

b)

heat up the ball to expand it

c)

cool down the ring to contract it

d)

cool down the ball to contract it

70.

Which substance expands the most for the same rise in temperatures?

a)

Solid

b)

Liquid

c)

Gas

71.

If an object has particles that are moving very slowly, the object's temperature is ______.

a)

hot

b)

small

c)

cold

d)

big

72.

What is the definition of CONVECTION

a)

When heat transfers through waves.

b)

When heat transfers from objects that are touching.

c)

a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.

d)

Heat traveling from the sun

73.

What kind of heat transfer happens when the sun is heating your body?

a)

Conduction

b)

Radiation

c)

Convection

d)

Density

74.

What heat transfer happens when you burn your hand by touching a fire?

a)

Radiation

b)

Conduction

c)

Convectio

d)

I don't know!!!!!!!!!!!

75.

When a pot is touching a stove that is on, what heat transfer is happening?

a)

I don't know??????

b)

Radiation

c)

Conduction

d)

Convection

76.

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

a)

conduction

b)

convection

c)

radiation

d)

Insolation

77.

A group of friends gather around a fire to stay warm.

a)

conduction

b)

convection

c)

radiation

78.

Transfer of thermal energy through "space"

a)

conduction

b)

convection

c)

radiation

79.

Melting is.....

a)

A process where a gas changes into a solid.

b)

A process where a liquid changes into solid.

c)

A process where a solid changes into gas.

d)

A process where a solid changes into a liquid.

80.

The temperature at which a substance changes states from a solid to a liquid

a)

Freezing point

b)

Melting point

c)

Evaporation

d)

Condensation

81.

The change of state from solid to liquid is called

a)

melting

b)

freezing

c)

gas

d)

smog

82.

Do all matter have the same boiling, melting, and freezing points?

a)

Yes

b)

No

83.

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

84.

Evaporation

a)

A gas changes into a liquid

b)

A solid changes into a liquid

c)

A liquid changes into a gas

d)

A liquid changes into a solid

85.

Condensation

a)

A gas changes into a liquid

b)

A liquid changes into a gas

c)

A solid changes into a liquid

d)

A liquid changes into a solid

86.

Evaporation happens because some particles in the liquid ...

a)

... lose heat energy.

b)

... gain heat energy.

87.

To separate a mixture of salt and water what separation tool/method is used?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

88.

Is trail mix a mixture or a solution?

a)

Mixture

b)

Solution

89.

A combination of two or more substances that cannot easily be separated--

a)

mixture

b)

solution

c)

solute

d)

solvent

90.

Mixtures can be made from which of the following?

a)

Solids

b)

Liquids

c)

Gasses

d)

All of the above

91.

Which of these is a characteristic of a solution?

a)

Solutions are always colorless.

b)

Solutions are poisonous.

c)

Solutions cannot be separated

d)

Solutions cannot be distinguished as separate substances

92.

What happens to atoms after a chemical change?

a)

Atoms remain in the same place.

b)

Atoms become bigger.

c)

Atoms bond in different ways.

d)

Atoms dissolve to form a mixture.

93.

Which of the following is an example of a physical change?

a)

sugar and oxygen reacting to produce water and carbon dioxide

b)

honey dissolving in tea

c)

a raw egg being cooked

d)

metal rusting after being left out in the rain

94.

Which of the following could indicate that a chemical change took place?

a)

Change in color

b)

Change in odor

c)

Formation of Gas

d)

All are correct

95.

Which type of change is most often easily reversed?

a)

Chemical

b)

Physical

c)

Both a physical and chemical change.

d)

Neither a physical or chemical change.

96.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

97.

Identify what type of change happening in the picture below...

a)

Chemical Change

b)

Physical Change

c)

Endothermic Reaction

d)

Exothermic Reaction

98.

Is hammering wood together to build a house a chemical or physical change?

a)

chemical

b)

physical

99.

Chemicals on the left side of an equation H + H + O = $H_{2_{ }}$ O

a)

reactant

b)

product

c)

evaporation

d)

melting

100.

chemicals on the right side of an equation H + H + O = $H_2$ O

a)

product

b)

reactant

c)

melting

d)

burning

101.

The chemical reaction between iron and oxygen in the air that degrades iron objects

a)

burning

b)

rusting

c)

cooking

d)

evaporation

102.

Mixing sugar and water is a

a)

chemical change

b)

physical change

103.

Copper turns green when exposed to the environment.

a)

chemical change

b)

physical change

104.

Water freezes to form ice.

a)

physical change

b)

chemical change

105.

Which of the following is a sign that a chemical reaction has occurred?

a)

change in shape

b)

melting

c)

formation of a gas

d)

dissolving

106.

what is the definition of chemical change?

a)

any change that results in the formation of new chemical substances.

b)

changing clothes

c)

matter cannot be created or destroyed, only change form

d)

changes affecting the form of a chemical substance, but not its chemical composition.

107.

What is digestion?

a)

chemical change

b)

physical change

108.

If reaction starts with 20g of reactants it should produce

a)

a total of 40g of products

b)

a total of 10g of products

c)

a total of 80 g of products

d)

a total of 20g of products

109.

The law of conservation of mass states that ________

a)

the total mass of reactants is more than the total mass of products

b)

the mass of a chemical reaction is not constant

c)

the mass of a chemical reaction remains constant

d)

the total mass of reactants is less than the total mass of products

110.

What term is given to a reaction which transfers heat energy to the surroundings?

a)

Endothermic

b)

Reversible

c)

Exothermic

d)

Exotermic

111.

In an endothermic reaction, energy is _________.

a)

absorbed

b)

released

112.

_____ reactions usually feel hot!

a)

endothermic

b)

exothermic

113.

____ reactions usually feel cold.

a)

endothermic

b)

exothermic

114.

If a chemical reaction is EXOTHERMIC, the temperature would....

a)

Stay the same

b)

Increase

c)

Decrease

115.

a)

Element

b)

Compound

116.

a)

Element

b)

Compound

117.

a)

Element

b)

Compound

118.

a)

Element

b)

Compound

119.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

6

120.

What do we call a chemical substance made up of 2 or more different types atoms bonded together?

a)

formula

b)

atom

c)

subscript

d)

compound

121.

This is the smallest unit of an element.

a)

molecule

b)

atom

c)

compound

d)

nucleus

122.

Which of the following represents an element?

a)

H₂O

b)

H₂

c)

NaCl

d)

CaCO₃

123.

How many Oxygen atoms are in H₂O?

a)

1

b)

2

c)

0

d)

4

124.

How many atoms are in 7H₂O

a)

3

b)

14

c)

21

d)

15

125.

Water is the universal ____.

a)

solute

b)

solvent

c)

solution

126.

solute + solvent =

a)

solution

b)

equation

127.

The substance being dissolved in a solution.

a)

sands

b)

solute

c)

solvent

d)

alloy

128.

The _____is the part that gets dissolved.

a)

solute

b)

solvent

c)

solution

d)

Sacajawea

129.

This is the part of the solution that does the dissolving.

a)

solute

b)

solvent

c)

salt water

d)

First Continental Congress

130.

The ______ is the smaller part of the solution.

a)

solute

b)

solvent

c)

system of a down

131.

when you __________ a solution, you make it less concentrated, usually by adding more liquid

a)

concentrate

b)

dilute

c)

stir

d)

mix

132.

A soft drink that is more diluted is ______ in color and ______ in taste

a)

darker, weaker

b)

lighter, weaker

c)

darker, stronger

d)

lighter, stronger

133.

A soft drink that is more concentration is _____ in color and _______ in taste

a)

lighter, stronger

b)

darker, weaker

c)

lighter, weaker

d)

darker, stronger

134.

What could you do to the pitchers to make them more concentrated?

a)

add more mix

b)

add more water

135.

What two types of measurements make up DENSITY?

a)

Mass and Volume

b)

Temperature and Mass

c)

Grams and Centimeters

d)

Volume and Weight

136.

Look at this image. Which object has the LOWEST density in water? How?

a)

The Ping Pong Ball because it floats to the top

b)

The bolt because it has sunk to the bottom

c)

The soda cap because it is not just full of air like the Ping Pong ball

137.

When the density of a substance is higher than the density of water the substance ______________ in water.

a)

Sinks

b)

Floats

138.

The force that holds 2 atoms together is called a ________________.

a)

Chemical Reaction

b)

Chemical Bond

c)

Diatomic Chemical

d)

Glue

139.

The blue numbers in the image represent ________

a)

I don't know, and don't want to try

b)

coefficients

c)

subscripts

d)

none of the answers are correct

140.

Which is most acidic?

a)

milk

b)

Lemon Juice

c)

bleach

141.

Which of the following statements is correct?

a)

Blue litmus paper turns red when placed in a base.

b)

Red litmus paper turns blue when placed in a base.

c)

Blue litmus paper stays blue when placed in an acid.

d)

Red litmus paper stays red when placed in a base.

142.

The pH of a solution is tested, and it is found to be a basic solution. Of the following choices, what could the pH have been?

a)

3

b)

9

c)

7

d)

5

Quarterly #2 REVIEW 2023

Total questions: 142

Worksheet time: 2hrs 48mins

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