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WorksheetsGrade 4 Science 1st Periodical Exam
Total questions: 70
Worksheet time: 4hrs 30mins
All scientific discoveries start with a ___________
problem
question
answers
A scientist works based on __________
problems
observations
experiment
The skills needed to gather information that will answer the questions are called______________
Science Skills
science process skills
scientific methods
_____________ is another process skill that involves guessing what will come next based on an observation.
Predicting
observation
comparing
___________ can be stated using the “if–then” statement.
Experimenting
Comparing
Prediction
___________ is an initial explanation for an observation based on available scientific information, data, or other observations.
hypothesis
predicting
communicating
A good hypothesis should be ?
Testable
Excellent
Good
A scientist may test if a hypothesis is correct or not by conducting an ___________
hypothesis
experiment
conclusion
Data is the plural form of _____________
Datum
Datas
Storage
_____________ 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.
Experiment
Hypothesis
Communicating
is a drawing that explains an idea by showing its components and their relationships
Chart
Diagram
Graph
is a chart that uses dots, lines, or bars to represent the connections or relationships between two or more things.
Graph
Bar Graph
Diagram
is an engineer and inventor known for his contributions to the enhancement of personal computers.
Diosdado Banatao
Mark Martine
Charles Sparks
PHIVOLCS means?
Philippine Institute of Volcanic and Seismology
Philippine Institute of Volcanology and system
Philippine Institute of Volcanology and Seismology
_______________ is the amount of matter in an object.
Mass
Volume
Density
__________is the amount of space that matter occupies.
Volume
Mass
Density
_________________refers to the mass of an object in a given volume.
Mass
Volume
Density
______________ means to “decompose or break down into other materials.”
Decay
Burn
Non- Biodegradable
____________materials come from natural resources and decompose easily.
Biodegradable
Nonbiodegradable
Sludge Waste
___________materials are man-made and may take thousands of years to decompose.
Non-Biodegradable
Biodegradable
Sludge Waste
The process when liquid turns into gas is called
melting
freezing
boiling
condensation
What are 3 states of matter?
Liquid, Water, Soda
Rock, Brick, Shoe
Solid, Liquid, Gas
Rain, Sleet, Snow
When water vapor gets cold, it turns to a...
liquid
gas
solid
river
The process when solid turns into liquid is called ...
melting
freezing
boiling
condensation
What state of matter does this picture show?
solid
liquid
gas
matter
What state of matter does this picture show?
solid
liquid
gas
matter
Water can become all 3 states of matter.
True
False
When you heat water it turns into a ____
solid
liquid
gas
matter
The example of solid thing is
oil
plastic
oxygen
vinegar
The example of liquid is ...
plastic
paper
carbon dioxide
oil
Banana peel is __________ waste.
biodegradable
non-biodegradable
Apple peel is __________ waste.
biodegradable
non-biodegradable
Flour is __________ material.
non-biodegradable
biodegradable
Cans are ____________ materials.
biodegradable
non-biodegradable
Vegetables are non-biodegradable products.
true
false
Metals are biodegradable materials.
true
false
Plastics bottles are __________ products.
biodegradable
non-biodegradable
Meats are __________ products.
biodegradable
non-biodegradable
Flowers are non-biodegradable materials.
true
false
Glasses are non-biodegradable materials.
true
false
Keep pesticides in areas away from children’s reach.
TRUE
FALSE
All household materials are useful.
TRUE
FALSE
Muriatic acid can be labeled as corrosive and poisonous.
TRUE
FALSE
Recyclable materials such as empty mineral bottles are harmful.
TRUE
FALSE
Consumers must read product labels when buying grocery items.
TRUE
FALSE
Place fertilizers in containers and label them as poisonous.
TRUE
FALSE
Throw away plastic bottles after using them.
TRUE
FALSE
Labels are not important in classifying materials as to useful or harmful
TRUE
FALSE
Food allergen warnings are helpful for those who have allergies
TRUE
FALSE
What does RECYCLING mean?
throw away
give things to other people
make new things out of old ones
using things again and again
Where should glass bottles be taken?
rubbish bin
buy-back centre
back to shop
recycling bank
What should you do with your old clothes?
burn them
throw them into rubbish bin
give to other people
nothing
What does "reduce" mean?
use more
use less
make new things
save the Earth
What does "reuse" mean?
use less
use more
use again
don't use
Does plastic waste affect our sea life and ocean?
Yes
No
This symbol means Recycling
True
False
Can you make glass bottles out of recycled plastic?
Yes
No
If you use a plastic bag for groceries one day and then make a kite out of it the next, the bag has been ___________.
Reduced
Reused
Recycled
Reversed
If you choose to take reusable bags to the grocery store instead of getting the plastic bags provided, you have _______ the waste you generate.
Reduced
Reused
Recycled
Reversed
Which of the following is NOT an evidence of chemical change taking place in matter?
formation of bubbles
production of light
change in odor
change in state
Which of these indicates that gas is produced due to chemical change?
formation of solid precipitates
change in color
formation of bubbles
change in texture
What do you call the process wherein a solid matter changes to gaseous state?
(a)
Which of these is an example of deposition?
drying fish outside
melting of ice in the Polar region
formation of snowflakes
formation of fog
The process wherein gaseous matter changes to liquid is called (a) .
The following are examples of sublimation EXCEPT __________.
moth balls in the closet
smoke from dry ice
heating solid iodine
solidification of oil during cold weather
The following are examples of sublimation EXCEPT __________.
moth balls in the closet
smoke from dry ice
heating solid iodine
solidification of oil during cold weather
What phase change turns liquid water into water vapor?
(a)
The following are examples of physical change EXCEPT _______.
spoilage of milk
slicing a piece of meat
pounding rice grains
chopping a piece of wood
When gas directly changed into solid, the process is called (a) .
