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WorksheetsSUMMATIVE TEST IN SCIENCE
Total questions: 25
Worksheet time: 6mins
Which of these materials can absorb water?
tissue paper
surgical gloves
face shield
PPE coverall suit
A container of sanitizer was accidentally thrown on the table. You want to dry the table, which of these materials will NOT be of used?
cotton
rug made of cloth
paper
plastic bag
Why do boat float in water?
Boat is made of wood that makes it float.
Uses paddle to make the boat float.
Breeze makes the boat float in water.
The boat is tied with plastic string that makes it float.
The following materials sink in water, EXCEPT __________.
coins
key
nails
styrofoam
If you are going to dispose waste materials commonly found at home, what are you going to do with decaying materials?
Make a compost.
Mix them with the non-decaying.
Throw them in the river
Keep them in cabinet and use them again.
Porous is a material that has small holes capable of holding liquid or other material.
TRUE
FALSE
Iron bar and metal spoon float in water because they are denser than the water.
TRUE
FALSE
Some material sinks like glass no matter what their shape is.
TRUE
FALSE
Wood and bamboo that are less dense than water, are kind of materials enable the boats to sink in water.
TRUE
FALSE
Biodegradable materials are another term for decaying materials.
TRUE
FALSE
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
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
When the candle was lighted, it melted into liquid and became solid again after few seconds or in a minute. What causes these changes?
I. presence of heat II. presence of oxygen
III. absence of heat IV. absence of oxygen
I, II and III
I and IV
I and II
All of the above
The candles melted by the application of heat. What change took place when solid candles became liquid?
chemical
mechanical
no change
physical
5. Which situation shows the presence of oxygen in a material?
I. Lighting of a candle III. Combustion of engines
II. burning of fuels IV. putting off a lighted candle
I, II and III
I and IV
I and II
All of the above
The eggplant/apple in the experiment turned its color from white to brownish. Which statement is NOT TRUE?
The presence of oxygen caused change in its color.
The absence of oxygen caused change in its color.
The color of an apple/eggplant changed when it is exposed to
oxygen in the air.
There is oxidation that happened when apple/eggplant was sliced and exposed in the air.
2. Burning of paper is a _________ change.
Physical Change
Chemical Change
Both a and b
Neither a and b
Which of the following statements is true?
All chemicals are harmful
All chemicals are useful
Chemicals maybe harmful or useful
All chemicals can be deadly
4. To prevent contaminating or polluting our food, air and water, we should practice sorting, recycling, reducing and reusing.
false
true
none of the above
all of the above
Store food and poisonous substances separately and out of reach of children
true
false
none of the above
all of the above
Kerosene, gasoline and other fuels are
flammable substance
toxic substance
poisonous substance
all of the above
Are wastes that can decay easily with the help of microorganisms.
Recycled waste
Non-biodegradable waste
Biodegradable waste
Hazardous waste
8. Clouds fall to earth as rain
Chemical Change
Physical Change
both
none of the above
Dumping spoiled food to animals in the street.
beneficial
toxic
harmful
helpful
Which is a Chemical Change?
change in shape
change in size
change in state
change in composition
