Free Printable Matter, Physical and Chemical Changes, Modeling, Lab Safety

1.

During a chemistry experiment in the school lab, Jane realized her long hair should be ____________.

a)

tied back

b)

cut

c)

down

d)

curled

2.

(True or False) Horse playing is allowed in the laboratory

a)

true

b)

false

3.

In a high school chemistry lab, students are learning about different chemicals. The teacher instructs them that the proper technique for smelling chemicals is ______________

a)

keeping your nose close to the glassware containing the chemical

b)

wafting the air above the chemical towards your nose

c)

to sniff only a small amount of the chemical

d)

Trick question; students are never allowed to smell chemicals in class

4.

a)

funnel

b)

test tube

c)

balance

d)

forceps

5.

What is this?

a)

hot plate

b)

thermometer

c)

bunsen burner

d)

beaker

6.

Identify the graduated cylinder:

A

B

C

D

7.

Identify the beaker:

A

B

C

D

8.

Which of the following is a safety rule in the science lab?

a)

Bring your lunch to the lab.

b)

Always have a bottle of water in case you are thirsty.

c)

Snacks are permitted during a long experiment.

d)

Never eat or drink during a lab.

9.

Whose responsibility is it to clean up after a lab?

a)

only the teacher

b)

the students who performed the experiment

c)

the principal

d)

the custodian

10.

Identify the primary function of the lab equipment seen in the image.

a)

Transfer small amounts of liquid

b)

Transfer large amounts of liquid

c)

Measure liquid volume

d)

Mixing liquid chemicals

11.

What is the # 1 rule in Mrs. Shaffer's lab?

a)

No eating the chemicals

b)

Put your equipment away

c)

Everyone has the right to be safe

d)

There are no rules - this is anarchy!

12.

What is a triple beam balanced used to measure?

a)

Volume

b)

Mass

c)

Length

d)

Time

13.

You brake a beaker in the lab, what should you do?

a)

Clean it up with a dustpan and put it in the the trash

b)

Clean it up with a dustpan and put it in the broken glass bin

c)

Clean it up with your hands and put it in the trash

d)

Tell Mrs. Shaffer so she can clean it up and put it in the broken glass bin

14.

What is a gradted cylinder used to measure?

a)

Volume

b)

Mass

c)

Length

d)

Time

15.

Which of the following would be used to heat something (check all that apply):

a)

Bunsen burner

b)

Triple Beam Balance

c)

Hot Plate

d)

Erlenmeyer Flask

16.

Sal is studying the solar system. He makes a physical model using different-sized foam balls to represent the planets. Which best describes why a physical model is a useful tool for studying the solar system?

a)

Solar system models can be used to study a system that is too big to study directly.

b)

A model of the solar system eliminates the need for scientists to study the solar system directly.

c)

A model of the solar system provides an exact replica of the actual solar system, so scientists can experience what each planet is like.

d)

A model of the solar system can provide more data about the solar system than direct observations.

17.

Facts, figures and other evidence collected

a)

Pie

b)

Cake

c)

Math

d)

Data

18.

A _____________________ is something that scientists use to represent an object or process

a)

mass

b)

matter

c)

model

d)

weight

19.

When scientists create a representation of a complex process, they are:

a)

inferring

b)

predicting

c)

classifying

d)

making models

20.

What must a model be to be considered a "good model"?

a)

Perfect

b)

Workable

c)

Scientific

d)

Exact

21.

Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?

a)

Monica's growth

b)

drinking milk

22.

Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test. What is the dependent variable?

a)

How far they kick the soccer ball

b)

who the person is

c)

how well they do on the math test

d)

Type of soccer ball.

23.

Ms. S set 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)

Who set up the experiment (Ms. S, etc)

24.

The independent variable is the ONE thing you _____.

a)

change

b)

keep the same

c)

experiment with

d)

investigate

25.

The measurable factor in an experiment is known as the:

a)

Control

b)

Independent Variable

c)

Constant

d)

Dependent Variable

26.

Gatorade wants to sell more sports drinks so they decide to add more sugar. They bring two groups in to assess the new drink. For Group A they give them gatoradewith an added teaspoon of sugar. For Group B they give them plain gatorade without adding sugar. Which Group is the CONTROL GROUP?

a)

Group A

b)

Group B

c)

The Gatorade

d)

The Company

27.

Which of these would be the proper way to write a hypothesis

a)

I think the water will make the plant grow.

b)

Does Watering plants will make them grow taller?

c)

If I add more water, then the plant will grow taller because they need water to function.

d)

Maybe water will make a plant grow taller.

28.

You are managing a large feed lot. A pharmaceutical company wants you to try a new antibiotic to treat shipping fever in newly arrived cattle. The company claims that it is more effective at a lower cost than your current antibiotic you are using. You will measure the temperature of the cattle to see whether or not it works. WHAT IS THE CONTROL GROUP?

a)

Type of cow

b)

Antibiotic

c)

No Antibiotic

d)

Temperature of Cattle

29.

You are managing a large feed lot. A pharmaceutical company wants you to try a new antibiotic to treat shipping fever in newly arrived cattle. The company claims that it is more effective at a lower cost than your current antibiotic you are using. You will measure the temperature of the cattle to see whether or not it works. WHAT IS THE DEPENDENT VARIABLE (DV)?

a)

Type of cow

b)

Antibiotic

c)

No Antibiotic

d)

Temperature of Cattle

30.

You are managing a large feed lot. A pharmaceutical company wants you to try a new antibiotic to treat shipping fever in newly arrived cattle. The company claims that it is more effective at a lower cost than your current antibiotic you are using. You will measure the temperature of the cattle to see whether or not it works. WHAT IS THE INDEPENDENT VARIABLE (IV)?

a)

Type of cow

b)

Antibiotic

c)

No Antibiotic

d)

Temperature of Cattle

31.

Which of the following is a qualitative observation?

a)

The plant grew 5 cm in one week.

b)

The leaves of the plant are green.

c)

The plant has 10 leaves.

d)

The plant weighs 200 grams.

32.

Which of the following is a quantitative observation?

a)

The solution is blue.

b)

The solution has a pH of 7.

c)

The solution is acidic.

d)

The solution is clear.

33.

Which of the following best describes a hypothesis?

a)

A proven fact

b)

A testable prediction

c)

A random guess

d)

A detailed observation

34.

The temperature of the room is decreasing by 4 degrees Celsius.

a)

Qualitative

b)

Quantitative

35.

Properties that can only be observed or measured by changing the CHEMICAL IDENTITY of a substance.

a)

chemical property

b)

physical property

c)

chemical change

d)

physical change

36.

A change in a substance that only affects its PHYSICAL PROPERTIES.

a)

chemical properties

b)

physical properties

c)

chemical changes

d)

physical changes

37.

Properties that can be observed directly or measured WITHOUT changing the chemical identity of the substance.

a)

chemical properties

b)

physical properties

c)

chemical changes

d)

physical changes

38.

A change in substance that affects its chemical properties thus a chemical reaction occurs and A NEW SUBSTANCE IS FORMED.

a)

chemical properties

b)

physical properties

c)

chemical changes

d)

physical changes

39.

Toxicity, flammability, combustibility, and radioactivity are examples of

a)

chemical properties

b)

physical properties

c)

chemical changes

d)

physical changes

40.

Mass, volume, shape, size, color, luster, and hardness are all examples of

a)

chemical properties

b)

physical properties

c)

chemical changes

d)

physical changes

41.

Melting Point is a

a)

physical property

b)

chemical property

42.

Reactivity is a

a)

chemical property

b)

physical property

43.

Solubility is a

a)

physical property

b)

chemical property

44.

Boiling point is a

a)

chemical property

b)

physical property

45.

Combustibility is a

a)

physical property

b)

chemical property

46.

Density is a

a)

physical property

b)

chemical property

47.

Cutting, coloring, crushing, melting, boiling and molding (shaping something) are example of

a)

chemical changes

b)

physical changes

48.

Burning, rusting, cooking, and decomposing are examples of

a)

physical changes

b)

chemical changes

49.

Making toast is an example of a

a)

physical change

b)

chemical change

50.

Folding a piece of paper into a crane is an example of a

a)

physical change

b)

chemical change

51.

Solid ice melting into liquid water is an example of a

a)

physical change

b)

chemical change

52.

Fireworks exploding is an example of a

a)

physical change

b)

chemical change

53.

What are sublimation and decomposition?Choose all that apply!

a)

A subconscious suggestion and rotting

b)

Chemical changes in matter that bypass the liquid state

c)

Physical changes in matter that are solid to gas and gas to solid bypassing the liquid state

d)

Physical changes in matter that happen in subzero temperatures that can happen in your freezer and other very cold places.

54.

When potassium is added to water fire , heat, and hydrogen gas are formed. Is this chemical or physical

a)

Chemical

b)

Physical

55.

The Statue of Liberty is made of copper. As copper reacts to the oxygen in the air and produces the green color. Is this chemical or physical?

a)

Chemical

b)

Physical

56.

This state of matter has a constant volume, but fits the space of the container holding it.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

57.

This state of matter expands to fill its container.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

58.

The majority of metals are this state of matter at room temperature.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

59.

Superheating gas so that it becomes ionized is one of the methods to form this state of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

60.

This state of matter has a firm, unchanging physical structure.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

61.

I can compress the volume of these states of matter.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

62.

Carbon dioxide, nitrogen, oxygen, and hydrogen are this state of matter at room temperature.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

63.

An ice cube turning to water is an example of what phase change?

a)

Condensation

b)

Melting

c)

Sublimation

d)

Vaporization

64.

Solid dry ice turning into gaseous carbon dioxide is an example of what phase change?

a)

Condensation

b)

Melting

c)

Sublimation

d)

Recombination

65.

Water appearing on the exterior of a cold drink on a hot summer day is an example of what phase change?

a)

Condensation

b)

Melting

c)

Sublimation

d)

Vaporization

66.

Through what phase change does your body cool itself? (Hint: think about what happens to your sweat)

a)

Condensation

b)

Freezing

c)

Sublimation

d)

Vaporization

67.

Atoms or molecules in this state of matter have the lowest energy.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

68.

Atoms or molecules in this phase of matter have the highest energy.

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

69.

Heating a solid to a high temperature will usually result in this phase change.

a)

Condensation

b)

Melting

c)

Sublimation

d)

Evaporation

70.

Placing liquid water in the freezer will result in what phase change?

a)

Condensation

b)

Freezing

c)

Ionization

d)

Vaporization

71.

In colder environments, gaseous water vapor can turn directly to solid ice on a window. What is this process called?

a)

Deposition

b)

Evaporation

c)

Freezing

d)

Vaporization

72.

Which model of matter is most likely a liquid?

a)

A

b)

B

c)

C

73.

When a solid changes to a liquid, it is

a)

losing energy

b)

gaining energy

c)

there is no energy

d)

what is energy?

74.

How is a gas defined?

a)

Indefinite shape, indefinite volume

b)

Definite shape, definite volume

c)

Found in stars

d)

Definite volume, indefinite shape

75.

Particles of a liquid

a)

are tightly packed together and stay in a fixed position.

b)

have no viscosity.

c)

decrease in volume with increasing temperature.

d)

are free to move around one another but still touch.

76.

Particles (molecules) in a ______________________ have more energy than the other states of matter.

a)

gas

b)

solid

c)

liquid

77.

Molecules are closest together in a

a)

Solid

b)

Liquid

c)

Gas

78.

Which state of matter has the lowest compressibility?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

Matter, Physical and Chemical Changes, Modeling, Lab Safety

Total questions: 78

Worksheet time: 1hrs 14mins

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