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MIXTURE

Total questions: 113

Worksheet time: 4hrs 59mins

Name
Class
Date
1.

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

a)

Filter

b)

Sieve

c)

Magnet

d)

Evaporation

2.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

3.

Which of the following is a method of separating solutions?

a)

hand seperation

b)

filtering

c)

screening

d)

evaporation

4.

If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?

a)

20 grams

b)

0 grams

c)

27 grams

d)

10 grams

5.

Sand and gravel may be separated from each other through using..

a)

a filter funnel

b)

a sieve

c)

an evaporating basin

d)

a distillation

6.

The best way to separate trail mix would be:

a)

filter

b)

by hand

c)

sieve

d)

evaporation

7.

What tool is this?

a)

sieve

b)

filter

8.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

9.

A solution of salt and water was put over heat. What will happen next?

a)

The salt will evaporate

b)

the salt and water evaporate

c)

the water will evaporate

10.

Which of these materials are attracted to a magnet

a)

iron filings

b)

sand

c)

rocks

d)

wood

11.

If I pour sand and water onto a filter, what will happen?

a)

water and sand will go through the filter

b)

sand will get caught in the filter, water will pass through

c)

both sand and water will get caught in the filter

12.

If I have a mixture of peanuts and nails, which would be the BEST tool to separate them?

a)

filter

b)

magnet

c)

sieve

d)

by hand

13.

If I have a mixture of wooden blocks and metal blocks. What is a fast way to separate them?

a)

relative density (put them in water)

b)

filter

c)

sieve

14.

A combination of two or more substances in which no new matter is formed is a

a)

Solution

b)

Solute

c)

Solvent

d)

Mixture

15.

A tablespoon of a substance was added to warm water and stirred. The result was that the substance could no longer be seen. We can conclude from the results that the substance–

(a)  

16.

Sugar cubes are being dissolved in a beaker of water. Which of the following changes would help the sugar dissolve faster?

a)

Freezing the solution

b)

Heating up the solution

c)

Add more sugar cubes

d)

Add larger sugar cubes

17.

Describe a type of mixture that would require you to use a sieve in order to separate the mixture

4 lines
18.

What type of tool is this?

a)

Sieve/Strainer

b)

Filter

c)

Magnet

d)

Settling

19.

Name this tool

a)

Sieve/Strainer

b)

Magnet

c)

Settling

d)

Filter

20.

What is this an example of

a)

Filter

b)

Strainer

c)

Settling

d)

Magnet

21.

Predict three things that will sink in water and three things that will float in water. How is density related to what sinks and what floats?

4 lines
22.

Imagine you are given an engineering assignment. Your task is to design a vessel that can transport gold (a high-density material) through the water. What materials would you use? Explain why you chose the materials you did.

4 lines
23.

Describe a mixture that would require you to use a magnet in order to separate it

4 lines
24.

Describe a mixture that would require you to use a filter in order to separate it

4 lines
25.

Describe a mixture that would require you to use a sieve in order to separate it

4 lines
26.

Describe a mixture that would require you to use a evaporation in order to separate it

4 lines
27.

Describe a mixture that would require you to use settling in order to separate it

4 lines
28.

What are 3 ways you can quickly dissolve a solute inside of a solvent?

4 lines
29.

Which tools are best for separating a mixtures of sand, iron filings, and water?

a)

Hot plate and filter

b)

Tweezers and filter

c)

Filter and magnet

d)

Magnet and hot plate

30.

Which substances, when mixed together, maintain their original physical properties?

a)

gravel and water

b)

wood chips, water and sand

c)

sand and water

d)

all of the above

31.

All of the following are examples of containers filled with mixtures EXCEPT -

a)

a jar filled with trail mix

b)

a glass filled with lemonade

c)

a bowl of cereal with milk

d)

a cup of fruit salad

32.

A student makes a garden salad by stirring lettuce, tomatoes, carrots, and croutons together in a bowl. Why is the garden salad a mixture?

a)

the student cut the vegetables into equally sized pieces

b)

the vegetables are combined by maintain their physical properties

c)

the croutons cannot be taken out of the salad

d)

the salad grew from a garden

33.

When separating saltwater using a hot plate, what precaution should students use?

a)

unplug the hot plate if water splashes on the cord

b)

follow the teacher's instructions and wear safety goggles

c)

leave the hot plate plugged in after the investigation is complete

d)

follow the teacher's instructions to record results in a notebook

34.

Which mixture can be separated using a filter?

a)

sand and iron filings

b)

saltwater

c)

sand and water

d)

none of the above

35.

A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp?

a)

pour the juice through a coffee filter

b)

heat the juice in a pot until boiling

c)

pour the juice in another cup

d)

allow the mixture to settle, leaving the pulp at the bottom of the glass

36.

Which of the following mixtures can be separated with a magnet?

a)

sand and salt

b)

sand and iron filings

c)

sugar and water

d)

saltwater

37.

All of these can be separated easily EXCEPT -

a)

nuts, bolts, and screws

b)

powdered drink mix, sugar and water

c)

sand and water

d)

iron filings and sand

38.

A mixture of iron filings and chalk dust is placed on a plate. Which of the following could be done to gather the iron filings?

a)

Pour the mixture into a funnel

b)

Put the mixture in a pot on the stove

c)

Run a magnet over the mixture

d)

Filter the mixture through a strainer

39.

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

a)

Filter

b)

Sieve

c)

Magnet

d)

Evaporation

40.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

41.

Which of the following is a method of separating solutions?

a)

hand seperation

b)

filtering

c)

screening

d)

evaporation

42.

What tool is this?

a)

sieve

b)

filter

43.

This type of paper allows liquid to pass through it. What tool is it?

a)

sieve

b)

filter

44.

Which of these materials are attracted to a magnet

a)

iron filings

b)

sand

c)

rocks

d)

wood

45.

If I pour sand and water onto a filter, what will happen?

a)

water and sand will go through the filter

b)

sand will get caught in the filter, water will pass through

c)

both sand and water will get caught in the filter

46.

Which method is helpful in determining the harmful components in food? (ex. melamine in food sample)

a)

use of magnet

b)

filtration

c)

distillation

d)

chromatography

47.

Type of mixture that has the SAME COMPOSITION in every part.

a)

Homogenous

b)

Heterogeneous

48.

Type of mixture that DOESN'T HAVE the same composition in every part.

a)

Homogeneous

b)

Heterogeneous

49.
Water can dissolve many things so it is called the .....
a)
wonderful water
b)
cohesion
c)
liquid
d)
universal solvent
50.
What will allow more solute to be dissolved in a solvent.
a)
adding more solute
b)
stiring
c)
cooling solution
d)
heat
51.
Define solubility
a)
how much pressure is in an object has
b)
Surface Area per Temperature
c)
how much solute can dissolve in a solvent
d)
it is a made up word
52.
When no more sugar will dissolve in a glass of water, the solution is
a)
unsaturated
b)
saturated
c)
supersaturated
d)
suspended
53.
Combination of two or more pure substances that are not chemically combined
a)
compound          
b)
atom
c)
mixture 
d)
element
54.
Which mixture could you separate by adding water and then pouring through a coffee filter?
a)
sand and salt, because the salt would dissolve and the sand would not
b)
baking soda and salt, because they both dissolve
c)
sugar and salt, because they both dissolve
d)
iron fillings and sand, because neither one dissolves
55.
If you wanted to separate salt from a lot of water, what do you think would be the best way to do it?
a)
Boil the water so that only the salt remains
b)
add food dye to the solution so you can see where the water is
c)
Use a magnet to get the salt out
d)
Use a sifter or coffee filter to filter it out
56.
A student pours a mixture of sand and saltwater through a filter into a beaker. What will the student find in the filter?
a)
salt and water
b)
salt
c)
sand and salt
d)
sand
57.

Which one of the following techniques would best be used to separate soil and water?

a)

crystallization

b)

distillation

c)

Filtration

d)

Chromatography

58.

Julia wanted to know what substances were in the ink in her pen. What process should she use to do this?

a)

chromatography

b)

evaporation

c)

filtration

d)

sifting

59.

Sam has two bricks of clay that are the same mass. He takes one brick of clay and slices it into separate pieces. He takes the pieces from the sliced brick and rolls each piece into a coil. He then uses the coils to make a clay pot. Sam places the clay pot on one pan of the balance and the leftover clay brick on the other pan. Which picture that shows what Sam will observe?

a)

A

b)

B

c)

C

60.

A class is observing the properties of materials. They made a list of their observations.

Which property would provide evidence of a substance's state of matter?

a)

magnetism

b)

weight

c)

shape

61.

Mark is looking for evidence of evaporation. Which image shows that evaporation is occurring?

a)

b)

c)

62.

Mr. Moore is going to show paper going through a chemical change. What can he do to the paper to cause the chemical change?

a)

A. Burn it

b)

B. Draw on It

c)

C. Cut it

d)

D. Tear it

63.

Which state of matter keeps its shape?

a)

A. Liquid

b)

B. Solid

c)

C. Gas

d)

D. Atoms

64.

Brandon is looking for examples of substances that will dissolve in water. He experiments with some things he finds in his kitchen at home. Which of these will NOT dissolve in water?

a)

A. Jell-o Powder

b)

B. Black Pepper

c)

C. Salt

d)

D. Sugar

65.

Tom is observing how common substances respond to heat. His observations are shown in the table. Based on Tom's observations, heat caused a chemical change in which substance?

a)

A. broth

b)

B. cheese

c)

C. bread

d)

D. ice

66.

When matter goes from gas to a liquid, that's called...

a)

A. Melting

b)

B. Evaporation

c)

C. Condensation

d)

D. Freezing

67.

When matter changes state, does the mass or weight change?

a)

A. Yes, it gets heavier

b)

B. Yes, it gets lighter

c)

C. No, the mass stays the same

d)

D. The molecules move faster when the state changes.

68.

Amy is going to pour the liquid substance from the container shown into a large bucket. Which observation will Amy most likely make?

a)

A. The mass of the liquid substance will increase.

b)

B. The liquid substance will immediately turn into a gas.

c)

C. The liquid substance will begin to change colors.

d)

D. The liquid substance will take the shape of its container.

69.

Sally's mom is cooking an egg in a pan. As the egg cooks, part of it changes color from clear to white. Sally can smell the egg cooking. The egg changes from a liquid to a solid. Which is a sign that a chemical change is occurring with the egg? Choose the three correct answers.

a)

A. new smell

b)

B. color change

c)

C. water molecules evaporate

d)

D. formation of a solid

70.

A combination of two or more substances where each KEEP their own properties is called a………..

a)

A. Solute

b)

B. Solution

c)

C. Substance

d)

D. Mixture

71.

Trevor left his bicycle outside in the rain for several days. He notices some rough reddish-orange spots forming on his silver bike. Which statement best describes what has happened?

a)

A. The water coated the iron and cooled to form a reddish-orange solution called rust.

b)

B. The water cooled the iron, which caused it to become rust.

c)

C. The water chemically reacted with the iron on the bike to form a new substance which is rust.

d)

D. The water eroded the outer layer of the iron to expose the rust underneath.

72.

Which answer best describes the easiest way to separate a mixture of iron fillings and dirt?

a)

A. Put the mixture in water.

b)

B. Use a Magnet.

c)

C. Pick the iron fillings out by hand.

d)

D. Boil the mixture.

73.

A rotting banana, baking a cake and rusting nails are all examples of……

a)

A. Chemical Changes

b)

B. Physical Changes

c)

C. Mixtures and Solutions

74.

To _________ is to identify the differences between two or more objects.

a)

A. establish

b)

B. chemically change

c)

C. determine

d)

D. differentiate

75.

Which of the following is true about all matter?

a)

A. All matter has a fixed volume.

b)

B. All matter can be seen.

c)

C. All matter has weight

d)

D. All matter can dissolve completely in water.

76.

When a substance evaporates, the particles in the substance….

a)

A. move faster and lose heat.

b)

B. move slower and the substance changes into a solid.

c)

C. move faster and the substance changes into a gas.

d)

D. move slower and change color.

77.

What does the investigation in the diagram demonstrate?

a)

A. Mixing a mixture

b)

B. Mixing a solution

c)

C. Separating a mixture

d)

D. Separating a solution

78.

To separate a mixture sugar and cereal, which tool is used?

a)

A. Magnet Sieve

b)

B. Sieve or collander

c)

C. Filter

d)

D. Evaporation

79.

During a change of state the following happens:

a)

A. Solids that turn into liquids lose matter.

b)

B. Gases that turn into liquids lose weight.

c)

C. Liquids that turn into solids gain weight/mass.

d)

D. No matter is gained or lost.

80.

Chocolate milk is an example of a

a)

A. Solution

b)

B. Mixture

c)

C. Chemical Change

81.

A Physical Change is……

a)

A. A change of matter from one form to another without turning into a new substance.

b)

B. The changes that happen to substances during a chemical change.

c)

C. The temperature at which a solid becomes a liquid. The melting point of water is 0 °C.

d)

D. A change that occurs when one or more substances produce new substances with different properties.

82.

___________ is the scientific law that matter cannot be made or destroyed, only transferred and changed. The total mass of the matter does not change.

a)

A. Differentiation

b)

B. Chemical Change

c)

C. Conservation of Matter

d)

D. States of Matter

83.

If there is a chemical change there is a …….

a)

A. change in substance.

b)

B. change in solution.

c)

C. change in temperature.

d)

D. change in magnetism.

84.

In a mixture you can

a)

see the pieces

b)

not see the pieces

85.

In a solution you can

a)

see the pieces

b)

not see the pieces

86.

A mixture is not even throughout which means it is...

a)

heterogeneous

b)

homogeneous

87.

A solution the particles are even meaning it is...

a)

heterogeneous

b)

homogeneous

88.

Used to pick up and separate larger objects

a)

strainer

b)

hand

c)

filter

d)

evaporation

89.

Gravel is an example of...

a)

mixture

b)

solution

90.

Chocolate milk is an example of....

a)

mixture

b)

solution

91.

A box of crayons is an example of....

a)

Mixture

b)

Solution

92.

Air is an example of

a)

solution

b)

mixture

93.

Sugar water is an example of... (the sugar dissolves)

a)

Mixture

b)

Solution

94.

What is a mixture?

a)

A combination of two or more substances that can't be easily separated.

b)

A combination of two or more substances that can be easily separated.

95.

Why is trail mix considered a mixture?

a)

The particles are very small.

b)

Each part keeps its own properties.

c)

The trail mix can be put together easily.

d)

All the colors and flavors fit well together.

96.

What is a solution?

a)

A combination of two or more substances that can't be easily separated.

b)

A combination of two or more substances that can be easily separated.

97.

Which is an example of a solution?

a)

salt and sugar

b)

jelly beans

c)

salt water

d)

trail mix

98.

What can you do to separate salt from water?

a)

add more water

b)

let it stand in the sun for a while

c)

take some water out

d)

decrease the temperature of the water

99.

What is the best way to get salt to dissolve into water?

a)

stir the solution

b)

pour out the solution

c)

leave the solution alone

100.

Mixture or Solution?

a)

mixture

b)

solution

101.

Mixture or Solution?

a)

mixture

b)

solution

102.

Mixture or Solution?

a)

mixture

b)

solution

103.

This is a type of mixture where one substance dissolves into another substance evenly.

a)

compound

b)

solution

c)

miscibility

d)

solubility

104.

Combination of two or more different kinds of substances that keep their physical properties and can be easily separated.

a)

solution

b)

solubility

c)

mixture

d)

miscibility

105.

Mixture or Solution?

a)

mixture

b)

solution

106.

The bottom of a sieve has many small holes, all the same size. Which of the following mixtures could be separated using a sieve?

a)

nuts and raisins

b)

paper clips and beads

c)

sand and gravel

d)

aluminum nails and iron nails

107.

What tool could you use to separate aluminum nails and iron nails?

a)

sieve

b)

magnet

c)

filter

d)

bunsen burner

108.

What tool would you use to separate water and sand?

a)

sieve

b)

magnet

c)

filter

d)

bunsen burner

109.

What tool would you use to separate water and salt?

a)

sieve

b)

magnet

c)

filter

d)

bunsen burner

110.

How much mass is in the salad when the carrots are 90 grams, lettuce 100 grams, and cucumbers 75 grams?

a)

275 grams

b)

265 grams

c)

100 grams

d)

175 grams

111.

What happens to the volume of a balloon when placed in a freezer?

a)

volume stays the same

b)

volume inceases

c)

volume decreases

112.

Steven cut a pie into 8 pieces. What happened to the mass of the pie?

a)

The mass increased.

b)

The mass decreased.

c)

The mass stayed the same.

113.

How does water change as it evaporates?

a)

Its mass and volume decrease.

b)

Its mass and volume increase.

c)

Its mass remains unchanged. Its volume increases.

d)

Its mass increases. Its volume remains unchanged.

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