Free Printable 2nd Summative Test in Science 6 (Quarter 1)

1.

Which of the following is a heterogeneous mixture?

a)

A. coffee

b)

B. noodle soup

c)

C. orange juice

d)

D. sugar solution

2.

3. Which of the following liquids do not mix with water?

a)

A. liquid soap

b)

B. oil

c)

C. soy sauce

d)

D. vinegar

3.

Colloids are ___________________.

a)

A. homogeneous mixtures that seem to be heterogeneous

b)

B. heterogeneous mixtures that seem to be homogeneous

c)

C. suspensions that look like solutions

d)

D. solutions that look like colloids

4.

Cloud and fog are what kind of colloid?

a)

A. liquid dispersed in solid

b)

B. gas dispersed in liquid

c)

C. gas dispersed in solid

d)

D. liquid dispersed in gas

5.

Which of the following colloids is an example of a sol?

a)

A. whipped cream

b)

B. milk

c)

C. hair spray

d)

D. paint

6.

In which glass of liquid is sugar dificult to dissolve?

a)

A. in a glass of ice tea

b)

B. in a glass of hot water

c)

C. in a glass of tap water

d)

D. in a glass of cold water with ice cubes

7.

A flour mixed with cornstarch is a homogeneous mixture because:

a)

A. you can easily identify its components

b)

B. the mixture appears one or uniform

c)

C. you can only see the texture

d)

D. the mixtures did not mix well

8.

What kind of mixture is formed when larger particles settle out when left

undisturbed?

a)

A. colloid

b)

B. suspension

c)

C. solution

d)

D. solvent

9.

Which of the following mixtures is not an example of a suspension?

a)

A. salt and water

b)

B. oil and water

c)

C. sand and water

d)

D. chalk and water

10.

Suspensions are homogeneous mixtures.

a)

TRUE

b)

FALSE

11.

If there is a large amount of dissolved solute than solvent then it is

concentrated solution.

a)

TRUE

b)

FALSE

12.

A solution might exist in liquid, solid, or gas depending on the state of solvent.

a)

TRUE

b)

FALSE

13.

In a colloid, the component typically present in a relatively small amount is

called dispersed phase/ substance .

a)

TRUE

b)

FALSE

14.

A mixture of oil and water is a solution.

a)

TRUE

b)

FALSE

15.

Colloids are used as food such as gelatin .

a)

TRUE

b)

FALSE

16.

Solution is a homogeneous mixture while colloid is heterogeneous mixture.

a)

TRUE

b)

FALSE

17.

Tyndall effect is the scattering of visible light by colloidal particles.

a)

TRUE

b)

FALSE

18.

Colloid is a type of mixture in which solid or liquid particles are dispersed

uniformly throughout a gas, liquid or solid.

a)

TRUE

b)

FALSE

19.

Sol is formed when gas particles are trapped in a liquid or solid.

a)

TRUE

b)

FALSE

20.

Which of the following is not soluble in water?

a)

A. moth balls

b)

B. salt

c)

C. sugar

d)

D. vinegar

2nd Summative Test in Science 6 (Quarter 1)

Total questions: 20

Worksheet time: 2hrs 40mins

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