Quiz about Science South Carolina

Question 1

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

Accepted Answer

Mixture

Answer

Solution

Answer

Solubility

Answer

Miscibility

Question 2

The substance that does the dissolving

Accepted Answer

Solvent

Answer

Solute

Answer

Solution

Answer

Miscibility

Question 3

The substance getting dissolved

Accepted Answer

Solute

Answer

Solvent

Answer

Solution

Answer

Mixture

Question 4

This is an example of a

Accepted Answer

Mixture

Answer

Solution

Question 5

This is an example of a

Accepted Answer

Solution

Answer

Mixture

Question 6

Sugar dissolved in water is an example of a

Accepted Answer

Solution

Answer

Mixture

Question 7

Mixtures are created when two or more ______ are mixed together.

Accepted Answer

substances

Answer

liquids

Answer

changes

Answer

rocks

Question 8

Mixture or Solution?

Accepted Answer

Mixture

Answer

Solution

Question 9

Mixture or Solution?

Accepted Answer

Solution

Answer

Mixture

Question 10

Mixture or Solution?

Accepted Answer

Solution

Answer

Mixture

Question 11

Which science tools could you use to separate this?

Accepted Answer

tweezers

Answer

microscope

Answer

battery

Answer

sieve

Question 12

Which one of the following would you use to separate sand from iron filings?

Accepted Answer

a bar magnet

Answer

filter paper

Answer

hot plate

Answer

strainer

Question 13

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?

Accepted Answer

27 grams

Answer

20 grams

Answer

0 grams

Answer

10 grams

Question 14

How would you separate a mixture of sand and salt?

Accepted Answer

Mix them with water, pour the mixture through a sieve, then let the water evaporate

Answer

Mix them with water and let the water evaporate

Answer

Heat the sand and salt mixture for 5 minutes, then let it cool

Answer

I would not do any of these because none of these options would work

Question 15

Which of the following is NOT a mixture?

Accepted Answer

water in a glass

Answer

sand, salt, and rocks in a bucket

Answer

trail mix made with dried fruit,
nuts, chocolate drops, and
pretzels

Answer

rocks and sand in the ocean

Question 16

Ocean water is a solution?

Accepted Answer

True

Answer

False

Question 17

What can you do to separate salt from water?

Accepted Answer

Let it stand in the sun for a while.

Answer

Add aditional water.

Answer

Take some water out.

Answer

Decrease the temperature of the water.

Question 18

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

Accepted Answer

Stir the solution.

Answer

Leave the solution alone.

Answer

Pour out the solution.

Question 19

To divide or move into its individual parts.

Accepted Answer

separate

Answer

ingredients

Answer

solution

Answer

mixture

Question 20

Which example below describes a simple mixture where the ingredients maintain their physical properties?

Accepted Answer

peanuts, raisins, and chocolate pieces

Answer

bucket of saltwater and sand

Answer

sugar and water

Answer

all of the above

Question 21

You have the following solids in a lab: salt, sand, lemonade powder, and pepper.  Which solids will dissolve in water to create a solution?

Accepted Answer

salt and lemonade powder

Answer

pepper, sand, and salt

Answer

salt, lemonade powder, and sand

Answer

pepper and sand

Question 22

What tool can you use to separate a mixture of rocks and sand the fastest?

Accepted Answer

sieve

Answer

tweezers

Answer

magnet

Answer

hands

Question 23

When a scientist mixed two chemicals, an exothermic reaction takes place. Which of the following would be proof that the reaction was exothermic?

Accepted Answer

a temperature increase

Answer

a change of color

Answer

a change of state

Answer

a temperature decrease

Question 24

Ink can be separated by a method of -----------------------------------------------

Accepted Answer

chromatography

Answer

distillation

Answer

filtration

Answer

sedimentation

Question 25

Dyes in water soluble markers may be separated by means of..

Accepted Answer

chromatography

Answer

crystallization

Answer

sublimation

Answer

sedimentation

Question 26

_________________ substances can dissolve in a liquid.

Accepted Answer

Soluble

Answer

Insoluble

Question 27

Pepper is an example of a substance that is __________________ in water.

Accepted Answer

insoluble

Answer

soluble

Answer

dissolves

Question 28

When a soluble substances dissolves, it usually leaves behind a __________________ liquid and we cannot ___________________ it.

Accepted Answer

clear, see

Answer

cloudy, see

Answer

clear, taste

Answer

cloudy, taste

Question 29

Which substances are soluble in water? (choose TWO answers)

Accepted Answer

sugar

Accepted Answer

coffee

Answer

pepper

Answer

flour

Question 30

_________________ substances cannot dissolve in a liquid.

Accepted Answer

Insoluble

Answer

Soluble

Question 31

Sugar is a __________________ and water is a __________________. Together, they make a ___________________.

Accepted Answer

solute, solvent, solution

Answer

solvent, solute, solution

Answer

solution, solvent, solute

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