Worksheets6 TH
Total questions: 15
Worksheet time: 8mins
1. Any matter has thermal energy, because……………..
a. its molecules always move.
b. it has fixed shape.
c. its molecules don't move.
d. it has fixed volume.
2. If heat transfers to a lower temperature object, its molecules will......
a. stop moving.
b. move slower.
c. move faster.
d. not be affected.
3. Heat transfers from.............bject to............object.
a. cooler - hotter
b. hotter-cooler
c. bigger-smaller
d. smaller - bigger
4. The handle of an electric iron is made of............
a. iron.
b. thermal insulator material.
c. metal.
d. thermal conductor material.
5. All the following are properties of heat, except……….
a. it is an essential component of life on Earth.
b. it cannot be lost but it is only transferred.
c. it flows from a cooler object to a hotter object.
d. it flows from a hotter object to a cooler object.
6. If you stand on hot sand in barefeet, you will feel the hotness of the sand because…………..
a. heat transfers from your legs to sand.
b. heat transfers from sand to your legs.
c. your legs are hotter than sand.
d. your legs and sand have the same temperature.
7. If you hold an ice cube in your hand, which of the following sentences is correct?..........
a. Your hand temperature is lower than the ice temperature.
b. The ice temperature is higher than your hand temperature.
c. The ice and your hand have the same temperature.
d. The molecules of ice will start to move faster.
1. When objects with the same temperature touch each other, heat transfer takes place.
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2. Heat transfers from the cooler object to the hotter object.
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3. The molecules of the hotter object move slower than that of the cooler object.
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4. Thermal conductors are good conductors of heat.
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5. Plastic resists the transfer of thermal energy.
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6. In electric iron heat transfers from cloth to iron.
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7. Heat transfers between two objects that have the same temperature.
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8. Molecules of cold or hot substances always move.
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