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Grade 4 Science 1st Periodical Exam

Total questions: 70

Worksheet time: 4hrs 30mins

Name
Class
Date
1.

All scientific discoveries start with a ___________

a)

problem

b)

question

c)

answers

2.

A scientist works based on __________

a)

problems

b)

observations

c)

experiment

3.

The skills needed to gather information that will answer the questions are called______________

a)

Science Skills

b)

science process skills

c)

scientific methods

4.

_____________ is another process skill that involves guessing what will come next based on an observation.

a)

Predicting

b)

observation

c)

comparing

5.

___________ can be stated using the “if–then” statement.

a)

Experimenting

b)

Comparing

c)

Prediction

6.

___________ is an initial explanation for an observation based on available scientific information, data, or other observations.

a)

hypothesis

b)

predicting

c)

communicating

7.

A good hypothesis should be ?

a)

Testable

b)

Excellent

c)

Good

8.

A scientist may test if a hypothesis is correct or not by conducting an ___________

a)

hypothesis

b)

experiment

c)

conclusion

9.

Data is the plural form of _____________

a)

Datum

b)

Datas

c)

Storage

10.

_____________ is a science process skill wherein one uses words, graphs, or other forms of representation to present information or data, which come from observations or experiments, to others.

a)

Experiment

b)

Hypothesis

c)

Communicating

11.

is a drawing that explains an idea by showing its components and their relationships

a)

Chart

b)

Diagram

c)

Graph

12.

is a chart that uses dots, lines, or bars to represent the connections or relationships between two or more things.

a)

Graph

b)

Bar Graph

c)

Diagram

13.

is an engineer and inventor known for his contributions to the enhancement of personal computers.

a)

Diosdado Banatao

b)

Mark Martine

c)

Charles Sparks

14.

PHIVOLCS means?

a)

Philippine Institute of Volcanic and Seismology

b)

Philippine Institute of Volcanology and system

c)

Philippine Institute of Volcanology and Seismology

15.

_______________ is the amount of matter in an object.

a)

Mass

b)

Volume

c)

Density

16.

__________is the amount of space that matter occupies.

a)

Volume

b)

Mass

c)

Density

17.

_________________refers to the mass of an object in a given volume.

a)

Mass

b)

Volume

c)

Density

18.

______________ means to “decompose or break down into other materials.”

a)

Decay

b)

Burn

c)

Non- Biodegradable

19.

____________materials come from natural resources and decompose easily.

a)

Biodegradable

b)

Nonbiodegradable

c)

Sludge Waste

20.

___________materials are man-made and may take thousands of years to decompose.

a)

Non-Biodegradable

b)

Biodegradable

c)

Sludge Waste

21.

The process when liquid turns into gas is called

a)

melting

b)

freezing

c)

boiling

d)

condensation

22.

What are 3 states of matter?

a)

Liquid, Water, Soda

b)

Rock, Brick, Shoe

c)

Solid, Liquid, Gas

d)

Rain, Sleet, Snow

23.

When water vapor gets cold, it turns to a...

a)

liquid

b)

gas

c)

solid

d)

river

24.

The process when solid turns into liquid is called ...

a)

melting

b)

freezing

c)

boiling

d)

condensation

25.

What state of matter does this picture show?

a)

solid

b)

liquid

c)

gas

d)

matter

26.

What state of matter does this picture show?

a)

solid

b)

liquid

c)

gas

d)

matter

27.

Water can become all 3 states of matter.

a)

True

b)

False

28.

When you heat water it turns into a ____

a)

solid

b)

liquid

c)

gas

d)

matter

29.

The example of solid thing is

a)

oil

b)

plastic

c)

oxygen

d)

vinegar

30.

The example of liquid is ...

a)

plastic

b)

paper

c)

carbon dioxide

d)

oil

31.

Banana peel is __________ waste.

a)

biodegradable

b)

non-biodegradable

32.

Apple peel is __________ waste.

a)

biodegradable

b)

non-biodegradable

33.

Flour is __________ material.

a)

non-biodegradable

b)

biodegradable

34.

Cans are ____________ materials.

a)

biodegradable

b)

non-biodegradable

35.

Vegetables are non-biodegradable products.

a)

true

b)

false

36.

Metals are biodegradable materials.

a)

true

b)

false

37.

Plastics bottles are __________ products.

a)

biodegradable

b)

non-biodegradable

38.

Meats are __________ products.

a)

biodegradable

b)

non-biodegradable

39.

Flowers are non-biodegradable materials.

a)

true

b)

false

40.

Glasses are non-biodegradable materials.

a)

true

b)

false

41.

Keep pesticides in areas away from children’s reach.

a)

TRUE

b)

FALSE

42.

All household materials are useful.

a)

TRUE

b)

FALSE

43.

Muriatic acid can be labeled as corrosive and poisonous.

a)

TRUE

b)

FALSE

44.

Recyclable materials such as empty mineral bottles are harmful.

a)

TRUE

b)

FALSE

45.

Consumers must read product labels when buying grocery items.

a)

TRUE

b)

FALSE

46.

Place fertilizers in containers and label them as poisonous.

a)

TRUE

b)

FALSE

47.

Throw away plastic bottles after using them.

a)

TRUE

b)

FALSE

48.

Labels are not important in classifying materials as to useful or harmful

a)

TRUE

b)

FALSE

49.

Food allergen warnings are helpful for those who have allergies

a)

TRUE

b)

FALSE

50.
What can food waste be used for?
a)
composting
b)
animal feed
c)
community gardens
d)
all of the above
51.

What does RECYCLING mean?

a)

throw away

b)

give things to other people

c)

make new things out of old ones

d)

using things again and again

52.

Where should glass bottles be taken?

a)

rubbish bin

b)

buy-back centre

c)

back to shop

d)

recycling bank

53.

What should you do with your old clothes?

a)

burn them

b)

throw them into rubbish bin

c)

give to other people

d)

nothing

54.

What does "reduce" mean?

a)

use more

b)

use less

c)

make new things

d)

save the Earth

55.

What does "reuse" mean?

a)

use less

b)

use more

c)

use again

d)

don't use

56.

Does plastic waste affect our sea life and ocean?

a)

Yes

b)

No

57.

This symbol means Recycling

a)

True

b)

False

58.

Can you make glass bottles out of recycled plastic?

a)

Yes

b)

No

59.

If you use a plastic bag for groceries one day and then make a kite out of it the next, the bag has been ___________.

a)

Reduced

b)

Reused

c)

Recycled

d)

Reversed

60.

If you choose to take reusable bags to the grocery store instead of getting the plastic bags provided, you have _______ the waste you generate.

a)

Reduced

b)

Reused

c)

Recycled

d)

Reversed

61.

Which of the following is NOT an evidence of chemical change taking place in matter?

a)

formation of bubbles

b)

production of light

c)

change in odor

d)

change in state

62.

Which of these indicates that gas is produced due to chemical change?

a)

formation of solid precipitates

b)

change in color

c)

formation of bubbles

d)

change in texture

63.

What do you call the process wherein a solid matter changes to gaseous state?

(a)  

64.

Which of these is an example of deposition?

a)

drying fish outside

b)

melting of ice in the Polar region

c)

formation of snowflakes

d)

formation of fog

65.

The process wherein gaseous matter changes to liquid is called (a)   .

66.

The following are examples of sublimation EXCEPT __________.

a)

moth balls in the closet

b)

smoke from dry ice

c)

heating solid iodine

d)

solidification of oil during cold weather

67.

The following are examples of sublimation EXCEPT __________.

a)

moth balls in the closet

b)

smoke from dry ice

c)

heating solid iodine

d)

solidification of oil during cold weather

68.

What phase change turns liquid water into water vapor?

(a)  

69.

The following are examples of physical change EXCEPT _______.

a)

spoilage of milk

b)

slicing a piece of meat

c)

pounding rice grains

d)

chopping a piece of wood

70.

When gas directly changed into solid, the process is called (a)   .