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WorksheetsWhat Changes Do Materials Undergo
Total questions: 20
Worksheet time: 11mins
The candles melted by the application of heat. What change took place when solid candles became liquid?
chemical
mechanical
no change
physical
Joram noticed that when he mopped the floor using wet rugs, the moist in the floor disappeared after few minutes. What is the reason why the floor became dry?
presence of heat
absence of heat
presence of water
absence of temperature
What causes the rusting of iron nails or iron made materials in a wet cloth?
presence of heat
absence of heat
presence of oxygen
absence of oxygen
What change will happen to the slices of potato if they will be exposed to oxygen in the air?
Color will change from brown to white
Color will change from white to brown
The color will not change
No changes in color
Which form of matter fills the space like it has in the balloon?
liquid
gas
solid
Which form of matter take the shape of a container like this juice?
liquid
solid
gas
The image shows how to make fruit popsicles. How can we make the popsicles become solid?
Melt them
Boil them
Freeze them
Dry them
The process of a solid changing directly into a gas is called
sublimation
evaporation
freezing
condensation
The steam from boiling water is the ______ state.
Solid
Liquid
Gas
A puddle of water dries up after some time. What process has taken place?
melting
freezing
evaporation
sublimation
How can you make liquid water become a solid?
Put the water in a very cold place.
Heat the water on the stove.
Shake the water container very fast.
Add a lot of salt to the water.
Snow turns to liquid water when it _________.
freezes
evaporates
melts
Jenny mixes an amount of lemon juice with an amount of mayonnaise.
Chemical change
Physical change
Mildred hangs her washed laundry on the cloth hook
chemical change
physical change
The shoes of Nathan are well protected from insects because of the naphthalene balls in his closet
chemical change
physical change
The cake shop bakes the best-selling gelatin in the city
chemical change
physical change
Every December, the cooking oil in Mang Nicasio's store freezes.
chemical change
physical change
In the following morning, Myrna saw the spoiling food she forgot to store in her refrigerator last night.
chemical change
physical change
Mang Boy works in an ice cream shop. To preserve the freezing temperature of the ice cream, he always places it in a special container full of frozen ice.
chemical change
physical change
Every weekend, John goes to a smoky hot spring in Laguna to relax.
chemical change
physical change
