Science Daily Warm

Lisa has a bottle of water. How can she increase the thermal energy of the water?

• She can pour the water into a larger bottle.

• She can increase the temperature of the water.

• She can place the bottle of water in the refrigerator.

• She can divide the water between tow identical containers.

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As energy in the form of heat is added to an ice cube, it begins to melt. What causes melting.

• Heat causes the molecules to expanded and forces them apart.

• Heat removes thermal energy from the ice cube and causes it to become liquid water.

• Adding energy causes the bonds between the hydrogen and oxygen in the ice cube to break.

• The transfer of thermal energy to the ice cube causes its molecules to move faster.

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Ashton warms a pure, solid substance. He graphs the changes in temperature as shown in the figure below. What is happening as he warms the substance?

• molecules move more slowly

• molecules move more rapidly

• speed of the molecules in not changing

• molecules speed up than slow down

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Which example illustrate the transfer of energy through RADIATION?

• feeling warmth when you sit in a sunny place.

• feeling warm air while standing in front of the blower from a heating system.

• feeling the warmth of the bricks around a fireplace by touching them with your hand.

• feeling warmth on the soles of your feet when you walk along the beach on a sunny day.

Heat is the _______ of energy.

• Transfer
• Measure

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Temperature is the ________ of energy.

• Transfer
• Measure

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Which choice below deals with how fast the particles of an object move?

• Heat
• Temperature

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If you put a burger on the very hot grill, how would you describe the movement of its particles?

• It's particles will speed up.

• It's particles will slow down.

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If you place some Gatorade in a cooler with ice, how would you describe the motion of its particles?

• Its particles will speed up.

• Its particles will slow down.

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If energy like heat will be added to the water, how would describe the water's temperature?

• Warm the water.

• Cool the water.

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