When you cook dinner, you heat your dinner on a hot stove. When you place a piece of cool metal in the sun, it is heated by the sun’s energy. Why is heat the correct term to use in these examples?
The contents of the bucket were in a (1) _______________ state. If the contents were heated up enough, they would change to a (2) ________________ state.
Two boys place meat and vegetables from the refrigerator onto the hot grill. When the food is cooked and taken off the grill, it is at a much higher temperature than it was before it was cooked. Which statements are true about the food?
A student likes to attend football games, no matter how cold the weather becomes. She activates a hand warmer and tucks it into the glove she is wearing. She holds her hands together to warm them. Which best describes how her hands were warmed?
You gather logs, twigs, and leaves to build a campfire. As you sit by the fire, the logs burn bright in the darkness, and you feel the heat coming toward you. Which of these statements are true about the amount of energy transformed in the camp fire?
In photosynthesis, solar energy undergoes a _______________ when it changes from light energy to chemical energy. When the sun warms Earth’s surface, thermal energy is ___________________ to land and water.
A student gets ready to go to school one day, and he finds out that his car's battery is dead. The headlights will not come on, and the car won’t start. What transformations usually happen when the battery is active and the headlights come on?
The front door is made of steel. When it is warm outside, the door is difficult to open or close. When it is cool, the door does not stick. Which statement explains why this happens?
A home had a wooden floor put down in cool weather. As the weather warmed, the floor started to buckle. The floor was fixed by trimming the edges so there was space between the flooring and the wall. Why did this help to make the floor flat again?
Baking cookies in the oven is an example of how energy is (1) ____________.
Thermal energy either ____________ from one object to another as it is transferred or _______________ into a different form as it is transformed.
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