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Science 6 Q1 Textbook

Total questions: 133

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
A mixture cannot be separated. 
a)
True
b)
False
2.
A solution cannot be separated easily. 
a)
True
b)
False
3.

True or false: As temperature increases, evaporation decreases.

a)

True

b)

False

4.

This causes evaporation.

a)

Sun

b)

Run-off

c)

Gravity

d)

Water's mass

5.

Ana noticed that there are pieces of hulls mixed in white rice. How can she remove these hulls?

a)

by boiling

b)

by filtering

c)

by winnowing

d)

by scooping

6.

The two types of mixtures are _______________ and _________________.

(a)  

7.

In filtering technique of separating mixtures, what type of material passes through a filter paper or cloth?

a)

Liquid

b)

Gas

c)

Solid

d)

Plasma

8.

What appropriate technique of separating mixtures will be best used in separating stones from water?

a)

Sieving

b)

Filtering

9.

Which is NOT a colloid?

a)

Butter

b)

Mayonnaise

c)

Milk

d)

Vinegar

10.

Which of the following is NOT a homogeneous mixture?

a)

Juice drink

b)

Hot coffee

c)

Fruit salad

d)

Hot tea

11.

Suspension is a kind of mixture where particles are evenly distributed and invisible.

a)

Yes

b)

No

12.

________ is a mixture of two or more chemical substances where the various components can be visually distinguished.

a)

Homogeneous

b)

Heterogeneous

13.

________ is a type of mixture in which the composition is uniform and every part of the solution has the same properties.

a)

Homogeneous

b)

Heterogeneous

14.

food coloring and water

a)

Miscible

b)

Immiscible

15.

oil and water

a)

Miscible

b)

Immiscible

16.

Which are examples of heterogeneous mixture?

a)
b)
c)
d)
17.

Which are examples of homogeneous mixture?

a)
b)
c)
d)
18.

Which are examples of mixture?

a)
b)
c)
d)
19.

Which of the following is a heterogeneous mixture? (Tick all possible answers.)

a)

coffee

b)

noodle soup

c)

orange juice

d)

sugar solution

20.

Colloids are ___________________.

a)

homogeneous mixtures that seem to be heterogeneous

b)

heterogeneous mixtures that seem to be homogeneous

c)

suspensions that look like solutions

d)

solutions that look like colloids

21.

Cloud and fog are what kind of colloid?

       

a)

liquid dispersed in solid

b)

gas dispersed in liquid

c)

gas dispersed in solid

d)

liquid dispersed in gas

22.

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

 

a)

whipped cream

b)

milk   

c)

hair spray

d)

paint

23.

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

undisturbed?

a)

colloid

b)

suspension

c)

solution

d)

solvent

24.

Which of the following mixtures is not an example of a suspension? (Tick all possible answers.)

a)

salt and water

b)

oil and water

c)

sand and water 

d)

chalk and water

25.

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

a)

TRUE

b)

FALSE

26.

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

    called dispersed phase/ substance .

a)

TRUE

b)

FALSE

27.

A mixture of oil and water is a solution.

a)

TRUE

b)

FALSE

28.

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

a)

TRUE

b)

FALSE

29.

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

a)

TRUE

b)

FALSE

30.

Which of the following is not soluble in water?

a)

moth balls

b)

salt

c)

sugar

d)

vinegar

31.

Salt and water is which type of mixture?

a)

Solution

b)

Sol

c)

Suspension

d)

Aerosol

32.

Milk is which type of mixture?

a)

Solution

b)

Emulsion

c)

Suspension

d)

Sol

33.

Milk is which type of mixture?

a)

Solution

b)

Emulsion

c)

Suspension

d)

Sol

34.

Ice cream is which type of mixture?

a)

Solution

b)

Colloid

c)

Suspension

d)

Aerosol

35.

Toothpaste is which type of mixture?

a)

Solution

b)

Colloid

c)

Suspension

d)

Foam

36.

Calamansi juice is which type of mixture?

a)

Solution

b)

Colloid

c)

Suspension

d)

Sol

37.

Hair gel is which type of mixture?

a)

Solution

b)

Colloid

c)

Suspension

d)

Aerosol

38.

Muddy water is which type of mixture?

a)

Solution

b)

Colloid

c)

Suspension

d)

Sol

39.

SMOG is which type of mixture?

a)

Solution

b)

Colloid

c)

Suspension

d)

Emulsion

40.

Identify the type of colloid shown in the illustration.

         

a)

Sol

b)

Emulsion

c)

Aerosol

d)

Foam

41.

Identify the type of colloid shown in the illustration.

         

a)

Sol

b)

Emulsion

c)

Aerosol

d)

Foam

42.

Identify the type of colloid shown in the illustration.

         

a)

Sol

b)

Emulsion

c)

Aerosol

d)

Foam

43.

Identify the type of colloid shown in the illustration.

         

a)

Sol

b)

Emulsion

c)

Aerosol

d)

Foam

44.

Identify the type of colloid shown in the illustration.

a)

Sol

b)

Emulsion

c)

Aerosol

d)

Foam

45.

What are the three types of mixture? ( Click all your answers)

a)

Solution

b)

Colloid

c)

Suspension

d)

Solute

e)

Evaporation

46.

A suspension consists of two or more substances that will mix together, but do not dissolve into each other to form new particles or compounds.

a)

True

b)

False

47.

What are the two main parts of a colloid? ( Click all possible answers)

a)

Solute

b)

Dispersed phase/ substance

c)

Dispersion medium

d)

Solvent

e)

Sediments

48.

Which of the following mixtures can be separated using decantation method?

a)

sugar and milk

b)

water in oil

c)

mixed nuts

d)

vegetable salad with dressing

49.

Metals which are made up of ______________ are easily attracted to the magnet.

a)

alloy, nickel or cobalt

b)

paint, water or powder

c)

salt, rubber or plastic

d)

gold, ruby, diamond

50.
The air around was is  a mixture of gases.
a)
True
b)
False
51.
What type of mixture is this?
a)
heterogeneous 
b)
homogeneous
52.
Fog is an example of a ____. 
a)
colloid
b)
compound 
c)
solution
d)
substance
53.
The scattering of light by colloids is called ____. 
a)
homogeneous
b)
suspension
c)
air pollution
d)
The Tyndall effect
54.

In a solution the substance which the solute dissolves onto.

a)

solvent

b)

suspension

c)

colloid

d)

solution

55.

In a solution the substance which the solute dissolves onto.

(a)  

56.

In a solution the substance that dissolves in the solvent.

a)

Solute

b)

Suspension

c)

Colloid

d)

Solvent

57.

In a solution the substance that dissolves in the solvent.

(a)  

58.

The method of separating a solid from a liquid by turning the liquid into a gas.

a)

Evaporation

b)

Filtration

c)

Centrifugation

d)

Chromatography

59.

The method uses to separate a solid from a liquid or a gas by passing them through a device that is too small to let the solid particles through.

a)

Evaporation

b)

Distillation

c)

Filtration

d)

Centrifugation

60.

Separating salt from ocean water to obtain drinking water would best be accomplished through which process?

a)

Evaporation

b)

Centrifugation

c)

Chromatography

d)

Distillation

61.

What is the appropriate method to use to separate needles in a box of beads?

a)

sieving

b)

decantation

c)

using magnet

d)

threshing

62.

What do you call the process of separating insoluble solid from liquid?

(a)  

63.

What are the four types of a colloid mixture?

(Enumerate them alphabetically.)

(a)  

64.

What do you call the process of separating components of a mixture with a dissolved solid in a liquid? The liquid is separated, meaning it is convert from its liquid state to gaseous state. This often requires heat. Once the liquid is completely separated, the solid is all that is left behind.

(a)  

65.

What do you call the process of separating components of a mixture with a dissolved solid in a liquid? The liquid is separated, meaning it is convert from its liquid state to gaseous state. This often requires heat. Once the liquid is completely separated, the solid is all that is left behind.

a)

decantation

b)

filtering

c)

sieving

d)

evaporation

66.

What do you call the process of separating two different-sized solids from each other? This process is responsible in retaining the larger particles.

(a)  

67.

What do you call the process of separating two different-sized solids from each other? This process is responsible in retaining the larger particles.

a)

decantation

b)

filtering

c)

sieving

d)

evaporation

68.

What do you call the process of separating liquids from solids by slowly and carefully pouring the liquid from the container?

(a)  

69.

What do you call the process of separating liquids from solids by slowly and carefully pouring the liquid from the container?

a)

decantation

b)

filtering

c)

sieving

d)

evaporation

70.

What do you call the process of separating insoluble solid from liquid?

a)

decantation

b)

filtering

c)

sieving

d)

evaporation

71.

What is the appropriate method to separate rice and water?

a)

evaporation

b)

filtration

c)

decantation

d)

distillation

72.

What is the appropriate method to obtain freshly squeezed coconut milk?

a)

evaporation

b)

filtration

c)

decantation

d)

distillation

73.

What is the appropriate method to use to separate needles in a box of beads?

a)

sieving

b)

decantation

c)

using magnet

d)

threshing

74.

What are the 3 types of mixtures?

(Enumerate them alphabetically.)

(a)  

75.

What do you call a mixture that appears to be uniform throughout and as one phase only?

(a)  

76.

What do you call the simplest type of substance?

(a)  

77.

What do you call the substance that are formed when two or more elements are chemically combined?

(a)  

78.

What is the "smallest unit of an element to retain all the chemical properties of that element"?

(a)  

79.

What do you call the ability of a substance to dissolve in a solvent?

(a)  

80.

Which is not an example of a colloid?

a)

bronze

b)

marshmallow

c)

mud

d)

smoke

81.

​ aluminum foil​

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
82.

air

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
83.

soda

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
84.

brass

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
85.

bronze

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
86.

mayonnaise

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
87.

mineral water

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
88.

paint

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
89.

salad dressing

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
90.

soil

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
91.

vegetable oil

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
92.

salt, sand and water

a)
Pure Substance
b)
Homogeneous
c)
Heterogeneous
93.

Yes or No: Would salt and water still be considered a solution if the quantity of salt is more than the quantity of water?

(a)  

94.

What is the term used to describe if solute is more than the solvent?

(a)  

95.

What do you call the insoluble solids collected after filtration?

(a)  

96.

What do you call the component that passes through the filter paper in a filtration process?

(a)  

97.

What do you call the liquid that is condensed from vapor in distillation?

(a)  

98.

What do you call the method of separating mixtures using both evaporation and condensation?

(a)  

99.

What do you call the method of separating mixtures that requires heating to evaporate the liquid component and leaving the solid component behind?

(a)  

100.

What is the other name for sieving?

(a)  

101.

This is a method of separating mixtures by allowing the other component to settle at the bottom of the container.

(a)  

102.

What do you call the solid component in the mixture that settles at bottom of a container?

(a)  

103.

What is the most appropriate method of separation for:

clear water and insoluble solids

a)

evaporation

b)

filtration

c)

sieving

d)

decantation

104.

What is the most appropriate method of separation for:

paper clips and plastic buttons

a)

handpicking

b)

magnetic separation

c)

sieving

d)

distillation

105.

What is the most appropriate method of separation for:

paper clips and plastic buttons

a)

handpicking

b)

evaporation

c)

sieving

d)

distillation

106.

What is the most appropriate method of separation for:

gummy bears of different colors

a)

handpicking

b)

magnetic separation

c)

sieving

d)

decantation

107.

What is the most appropriate method of separation for:

rice grains and flour

a)

handpicking

b)

filtration

c)

sieving

d)

magnet separation

108.

What is the most appropriate method of separation for:

iron filings and sand

a)

handpicking

b)

filtration

c)

sifting

d)

magnet separation

109.

What is the most appropriate method of separation for:

water and pasta

a)

handpicking

b)

filtration

c)

sifting

d)

magnet separation

110.

What should be mixed with copper to make a bronze?

a)

carbon

b)

silicon

c)

tin

d)

zinc

111.

What is concrete composed of?

a. water and cement

b. fine and coarse aggregates

a)

a only

b)

b only

c)

both a and b

d)

none of the choices

112.

Why was Pasig River declared biologically dead in the 1990s?

a)

Water lilies thrived in it.

b)

Environmental groups kept it clean.

c)

Dead bodies were seen floating on it.

d)

It was heavily polluted that no organism can live in it.

113.

Which will likely cause soil pollution in areas that are near a mining field?

a)

algal blossoms

b)

eutrophication

c)

greenhouse effect

d)

mine tailings

114.

What is the most common filter paper used at homes?

(a)  

115.

It is formed from the remains of plants and animals millions of years ago.

(a)  

116.

What do you call the process of extraction of crude oil from the ground?

(a)  

117.

Metals mixed with other metals is called (a)   .

118.

Who is this Dutch engineer and inventor who founded the nonprofit foundation The Ocean Cleanup, that focuses on building machines and tools as well as establishing systems that would be efficient in extracting plastic or waste in rivers and oceans?

(a)  

119.

Which element has been introduced to be mixed in gasoline to reduce engine knock but found out that the mixture has a high level of toxicity?

(a)  

120.

What type of solution is air in scuba tank?

a)

gaseous solution

b)

liquid solution

c)

solid solution

d)

saturated solution

121.

What type of mixture is air in scuba tank?

a)

solution

b)

colloid

c)

suspension

d)

aerosol

122.

What type of mixture is the water in a swimming pool?

a)

pure substance

b)

solution

c)

suspension

d)

colloid

123.

What type of mixture are gelatin?

a)

pure substance

b)

solution

c)

suspension

d)

colloid

124.

What type of mixture is cheese?

a)

pure substance

b)

solution

c)

suspension

d)

colloid

125.

What type of mixture is butter?

a)

pure substance

b)

solution

c)

suspension

d)

colloid

126.

What type of mixture are clouds?

a)

pure substance

b)

solution

c)

suspension

d)

colloid

127.

What type of mixture is whipped cream?

a)

pure substance

b)

solution

c)

suspension

d)

colloid

128.

What type of colloid is gelatin?

a)

aerosol

b)

sol

c)

emulsion

d)

foam

129.

What type of colloid is cheese?

a)

aerosol

b)

sol

c)

emulsion

d)

foam

130.

What type of colloid is butter?

a)

aerosol

b)

sol

c)

emulsion

d)

foam

131.

What type of colloid are clouds?

a)

aerosol

b)

sol

c)

emulsion

d)

foam

132.

What type of colloid is whipped cream?

a)

aerosol

b)

sol

c)

emulsion

d)

foam

133.

Who is this Scottish botanist, credited for the discovery of Brownian motion, where particles of pollen moving in random while floating in water?

(a)  

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