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Science 2_Term 3_Revision

Total questions: 90

Worksheet time: 56mins

Name
Class
Date
1.

What is the function of incisors?

a)

biting

b)

chewing

c)

tearing

2.

What do teeth help us to do?

a)

Eat and sleep

b)

Eat and talk

c)

Talk and drink

d)

Eat and exercise

3.

All teeth in our mouths are the same

a)

True

b)

False

4.

The part of the teeth that help them stick to our gums is called the.

a)

Root

b)

Stem

c)

Glue

d)

Canine

5.

Incisors are for

a)

Gripping and tearing food

b)

Biting through food

c)

Chewing and grinding food

6.

Canines are for

a)

Gripping and tearing food

b)

Biting through food

c)

Chewing and grinding food

7.

Molars are for

a)

Gripping and tearing food

b)

Biting through food

c)

Chewing and grinding food

8.

Teeth are_____________ and very hard.

a)

white

b)

orange

c)

green

d)

blue

9.

Which one is not a job for teeth?

a)

crush

b)

tear

c)

smell

d)

bite

10.

Which type of teeth are long and pointy?

a)

molar

b)

canine

c)

incisor

d)

wisdom teeth

11.

Which ones are the bumpy big teeth at the back of your mouth

a)

canines

b)

molars

c)

incisors

12.

What are our canine teeth for?

a)

Tearing tougher foods like meat

b)

Mashing up food

c)

Grinding up food

d)

Biting and cutting food

13.

What type of teeth is Number 2 in the following diagram shown

a)

Incisor

b)

Tearing teeth

c)

Pre Molars

d)

Canine

14.

What type of teeth is Number 3 in the following diagram shown

a)

Incisor

b)

Canine

c)

Molars

d)

Chewing teeth

15.

Which of the following group is rich in calcium

a)
b)
c)
d)
16.

Which of the following can damage our teeth

a)
b)
c)
d)
17.

Which set of teeth that has a short life span?

a)

baby/milk teeth

b)

adult/permanent teeth

18.

How often should we brush our teeth?

a)

Once a week

b)

Twice a week

c)

Once a day

d)

Twice a day

19.

Brenda likes to eat chocolate and ice cream. She rarely brushes her teeth. What will happen to Brenda's teeth?

a)
b)
20.

Brandon always drinks milk in the morning. He likes to eat apples too. What will happen to Brandon's teeth?

a)
b)
21.

How many teeth are in adult/permanent teeth?

a)

20

b)

24

c)

28

d)

32

22.

I am pointy. My job is to tear and rip food. What kind of teeth am I?

a)

incisor

b)

canine

c)

molar

23.

I am large and flat. I am used for grinding food. What kind of teeth am I?

a)

canine

b)

premolar

c)

molar

24.

How often should we visit the dentist to check our teeth?

a)

Once a month

b)

Every 3 months

c)

Every 6 months

d)

Once a year

25.

What are the cause of tooth decay?

a)

I like to eat sweets.

b)

I brush my teeth at least two times a day.

c)

I like to drink fizzy drinks.

d)

I often go to bed without brushing my teeth.

26.

Which one that will keep our teeth strong?

a)

drink water

b)

brush our teeth at least twice a day

c)

eat chocolate every day

d)

drink milk

27.

Which room has no lights?

a)
b)
c)
d)
28.

Which room has some lights?

a)
b)
c)
d)
29.

Which room has much lights?

a)
b)
c)
d)
30.

In which room you can see things clearly?

a)
b)
c)
d)
31.

Which of this is the light source?

a)
b)
c)
d)
32.

Which is NOT a source of light?

a)

firefly

b)

ball

c)

sun

d)

torch

33.

Which one is a natural source of light?

a)
b)
34.

What is our main source of light?

a)

Lightbulbs

b)

The Moon

c)

The Sun

d)

Computers

35.

The example of man - made light source is . . . .

a)

Thunder

b)

Lightning

c)

Candle

36.

Moon is ...

a)

a light source

b)

NOT a light source

37.

When there is very little or no light, we say it is...

a)

dark

b)

light

c)

sound

d)

cloudy

38.

When there is no light at all, we call it as...

a)

total darkness

b)

bright

c)

natural

39.

Which picture shows NO LIGHT ?

a)
b)
c)
40.

Tick the man made sources of light.

a)
b)
c)
d)
e)
41.

In which room could you see the most objects?

a)

a room with some light

b)

a room with low light

c)

a room with bright light

42.

Things that make light are called...

a)

Light sources

b)

Sound sources

c)

Dark sources

43.

Light helps us to ….

a)

see

b)

hear

c)

feel

44.

What help him to see around in the cave ?

a)

sun

b)

torch

45.
Which of these are examples of NATURAL sources of light?
a)
Sun 
b)
Stars
c)
Lightning
d)
ALL of them
46.

Which of these is a source of light?

a)
b)
c)
d)
47.

One of these is not a source of light

a)
b)
c)
d)
48.

Some of these items do not produce light

a)
b)
c)
d)
49.

Identify the natural sources of light

a)
b)
c)
d)
50.

Which one is a man made source of light

a)

The stars

b)

The sun

c)

Candle

51.

This insect is a natural source of light. Can you tell what insect it is?

a)

Mosquito

b)

Dragon fly

c)

Fire fly

d)

Beetle

52.

Which one of these is the most important source of light on earth?

a)
b)
c)
d)
53.

Tick the light sources

a)
b)
c)
d)
54.

Choose the shadow of the object

a)
b)
c)
55.

Tick the pictures that show darkness

a)
b)
c)
d)
56.

What is our main source of light?

a)

Lightbulbs

b)

The Moon

c)

The Sun

d)

Computers

57.

Which of these is a source of light?

a)

A firefly

b)

A drinking glass

c)

Trees

d)

The whiteboard

58.

Sun is a natural source of light

a)

True

b)

False

59.
Which of these are examples of NATURAL sources of light?
a)
Sun 
b)
Stars
c)
Lightning
d)
ALL of them
60.
What does ARTIFICIAL mean?
a)
Made by humans
b)
Natural
61.
Which of these are examples of ARTIFICIAL sources of light?
a)
Lightbulbs
b)
Neon signs
c)
Televisions
d)
ALL of them
62.

One of these is not a source of light

a)
b)
c)
d)
63.
a)

Light source

b)

Not a light source

c)

Man-made

d)

Not man-made

64.
a)

Light source

b)

Not a light source

c)

Natural

d)

Man-made

65.
a)

Light source

b)

Not a light source

c)

Natural

d)

Man-made

66.

Light helps us to ….

a)

see

b)

hear

c)

feel

67.

What is the main source of light and energy?

a)

sun

b)

moon

c)

stars

68.

Light source that is made by nature or by animal is called ______?

a)

natural light source

b)

artificial light source

c)

chemical light source

69.

Light source that is made by human is called _____?

a)

artificial light source

b)

natural light source

c)

chemical light source

70.

Moon producees light.

a)

true

b)

false

71.

Moon is a source of light.

a)

false

b)

true

72.

Firefly is a source of light.

a)

false

b)

true

73.

Stars are source of light.

a)

false

b)

true

74.

A bulb is a _________ source of light.

a)

natural light source

b)

artificial light source

75.

An artificial source of light that guides the sailors or fishermen to see land.

a)

lighthouse

b)

flashlight

c)

fireworks

76.

A kind of natural light source that usually appears when there is dark cloud or when it rains.

a)

lightning

b)

rainbow

c)

storm

77.

When an object blocks the source of light, it creates ..................?

a)

darkness

b)

shallow

c)

shadow

d)

electricity

78.

Which of these is NOT a source of light?

a)
b)
c)
d)
79.

Identify the natural sources of light. Choose two.

a)
b)
c)
d)
80.

It is the absence of light.

a)
b)
c)

shadow

81.

Check your teeth by a

a)

sugar

b)

toothpaste

c)

calcium

d)

Dentist

82.

Brush your teeth twice a day using____________

a)

sugar

b)

toothpaste

c)

calcium

d)

Dentist

83.

Milk has a good stuff that makes your teeth strong such as___

a)

sugar

b)

toothpaste

c)

calcium

d)

Dentist

84.

Toothpaste contains good stuff such as ____

a)

sugar

b)

fluoride

c)

calcium

d)

Dentist

85.

Avoid food that has a lot of ______

a)

sugar

b)

fluoride

c)

calcium

d)

Dentist

86.

What type of teeth are wide and bumpy?

a)

incisors

b)

molars

c)

canines

87.

Which teeth are sharp and used for tearing food?

a)

incisors

b)

molars

c)

canines

88.

Which teeth are found at the front of the mouth?

a)

incisors

b)

molars

c)

canines

89.

Which part of the mouth holds the teeth in place?

a)

roots

b)

gums

c)

teeth

90.

Which parts of the teeth can't we see but show up on an X-ray?

a)

teeth roots

b)

gums

c)

incisors

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