SCIENCE
TRUE OR FALSE
Wrong answers = REPORT
Unnecessary answers = REPORTT
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SCIENCE
TRUE OR FALSE
Wrong answers = REPORT
Unnecessary answers = REPORTT
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Answer:
1 true
2 true
3 false
4 true
5false
6false
7true
8true
9??
10.??
1. Molecules of a substance move in different directions
2. The cup of hot coffee has more thermal energy than a big iceberg.
3. Only moving objects possesses kinetic energy.
4. Thermal energy flows from cooler objects to warmer objects 5. A thermometer measures its own temperature.
6. We use jackets to preserve our thermal energy.
7. Heat wave may cause heart stroke in humans.
8. Uneven heating over surface of the earth causes sea breeze and land
breeze.
9. Radiant energy can be used in medicine.
10. Good emitters of radiant energy does not absorb radiant energy at all.
1. TRUE - Molecules of a substance move in different directions because they are in a constant state of motion due to the kinetic energy they possess.
2. TRUE - The cup of hot coffee has more thermal energy than a big iceberg because the molecules of the hot coffee are in more motion compared to the molecules of the ice.
3. FALSE - Objects that are not moving can also possess kinetic energy.
4. TRUE - Thermal energy flows from cooler objects to warmer objects because energy is always trying to even out and warm objects have more energy than cold objects.
5. FALSE - A thermometer does not measure its own temperature, it measures the temperature of whatever it is placed in contact with.
6. FALSE - We use jackets to keep us warm, not to preserve our thermal energy.
7. TRUE - Heat waves may cause heart stroke in humans because extreme heat can put a strain on the body and make it difficult for the heart to work properly.
8. TRUE - Uneven heating over the surface of the earth causes sea breeze and land breeze because warm air rises, causing cooler air to move in from the sea and warmer air to move in from the land.
9. TRUE - Radiant energy can be used in medicine because radiant energy can be used in a variety of medical procedures such as laser treatments, radiation therapy, and magnet therapy.
10. FALSE - Good emitters of radiant energy do absorb some of the energy they emit.