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WorksheetsScience 4
Total questions: 25
Worksheet time: 4mins
It refers to anything that has mass and occupies space.
Mass
Matter
Density
Volume
It refers to how light or heavy the object is.
Mass
Volume
Density
Matter
What do you mean by 3R's concept?
Composting so it will become a good fertilizer.
Applying recycling method to save the earth.
Applying the method of reducing, reusing and recycling.
Applying the method of composting and recycling.
A process when solid state changes to gas state.
Evaporation
Condensation
Sublimation
Deposition
What do you mean by the term biodegradable?
materials that won't rot
materials that will decay
some materials may rot, some may not
none of the above
Which is not an effect of a decaying material?
It attracts disease-carrying insects.
It emits unpleasant smell.
It fills up landfills.
It can cause food poisoning if consumed.
Which is the best way to dispose of biodegradable materials?
composting
reusing
reducing
recycling
What will happen to the materials when heated?
contract
expand
melt
none of the above
What will happen to the materials when they are cooled?
contract
expand
all of the above
Rusting of iron is an example of _____________.
physical change
chemical change
Melting of butter is an example of _____________.
physical change
chemical change
Cooking of food is an example of _____________.
physical change
chemical change
Boiling of water is an example of _____________.
physical change
chemical change
Crashing of can is an example of _____________.
physical change
chemical change
Digestion of food is an example of _____________.
physical change
chemical change
A change from solid to liquid state.
evaporation
freezing
condensation
melting
Rain is a good example of ________ process.
Condensation
Deposition
Evaporation
Freezing
Why is burning a piece of paper considered as a chemical change?
It needs force to occur.
It produces new materials.
The paper changes its shape ad size.
The paper undergoes a change in state.
It refers to the basic unit of life that make up an organism.
cell
tissue
organ
system
Part of the brain that is responsible for speech and memory.
cerebrum
cerebellum
medulla oblongata
Part of the brain that is responsible for breathing.
cerebrum
cerebellum
medulla oblongata
Part of the brain that is responsible for posture and balance.
cerebrum
cerebellum
medulla oblongata
Which of the following organs pumps the blood throughout the whole body?
lungs
heart
liver
kidneys
Which of the following is the function of the kidneys?
detoxify toxins
structural framework
excrete waste materials from the body
regulate blood pressure
Which of the following is matched correctly?
osteoporosis- muscles
gastritis- lungs
encephalitis- brain
nephritis- bones
