Unit 1 Energy and Heat Retake 24-25
star
star
star
star
star
Last updated about 1 year ago
17 questions
Required
2
When an apple is hanging from a tree, it has
When an apple is hanging from a tree, it has
Required
2
Mary eats a hamburger for lunch. What type of energy does the hamburger have before it is eaten?
Mary eats a hamburger for lunch. What type of energy does the hamburger have before it is eaten?
Required
2
Which of the following best shows kinetic energy?
Which of the following best shows kinetic energy?
Required
2
At what point will a roller coaster have the greatest potential energy?
At what point will a roller coaster have the greatest potential energy?
Required
2
The energy of a bow changes when the string is pulled back. Which change will occur in the bow after the string is released?
The energy of a bow changes when the string is pulled back. Which change will occur in the bow after the string is released?
Required
2
Students create an investigation of a ball rolling along a track. The students release a ball from rest at position 1. After the investigation the students discuss the transformation of energy that occurred. Which student's explanation is correct?
Students create an investigation of a ball rolling along a track. The students release a ball from rest at position 1. After the investigation the students discuss the transformation of energy that occurred. Which student's explanation is correct?
Required
2
Please select the explanation for what happens as an apple falls from a tree.
Please select the explanation for what happens as an apple falls from a tree.
Required
2
What energy transformation occurs when an electric heater is plugged in and turned on?
What energy transformation occurs when an electric heater is plugged in and turned on?
Required
2
Which BEST describes the energy transformation after a person eats a hot dog?
Which BEST describes the energy transformation after a person eats a hot dog?
Required
2
Which of the following has the LEAST amount of kinetic energy?
Which of the following has the LEAST amount of kinetic energy?
Required
2
Car A has a mass of 1500 kg and is moving at 89 miles per hour. Car B has a mass of 1500 kg and is moving at 58 miles per hour. Which statement below best describes the kinetic energy of each car?
Car A has a mass of 1500 kg and is moving at 89 miles per hour. Car B has a mass of 1500 kg and is moving at 58 miles per hour. Which statement below best describes the kinetic energy of each car?
Required
2
A wrecking ball is swinging towards a building that needs to be knocked down. If you wanted to make the wrecking ball hit the building with more kinetic energy, what could you change?
A wrecking ball is swinging towards a building that needs to be knocked down. If you wanted to make the wrecking ball hit the building with more kinetic energy, what could you change?
Required
2
If two objects with different masses are moving in the same direction and at the same speed, what will happen to the kinetic energy?
If two objects with different masses are moving in the same direction and at the same speed, what will happen to the kinetic energy?
Required
2
One end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which BEST describes what is happening during this investigation?
One end of a metal rod is placed over a flame during an investigation. A thermometer is touching the opposite end of the metal rod. Which BEST describes what is happening during this investigation?
Required
2
Identify and explain the different types of heat transfer occuring in the following scenario.Chris went on a camping trip. During the day it was so hot that he got sunburned. When it was time to go to his campsite, he noticed smoke in the air. His father had started a fire and he felt the heat as he walked by. In the morning while his mother was cooking breakfast, he accidentally touched a hot pan and got burned. Although this was the case, he still had fun on the trip.
Identify and explain the different types of heat transfer occuring in the following scenario.
Chris went on a camping trip. During the day it was so hot that he got sunburned. When it was time to go to his campsite, he noticed smoke in the air. His father had started a fire and he felt the heat as he walked by. In the morning while his mother was cooking breakfast, he accidentally touched a hot pan and got burned. Although this was the case, he still had fun on the trip.
Required
2
On a hot day, the upstairs rooms in a house are usually hotter than downstairs rooms. Why?
On a hot day, the upstairs rooms in a house are usually hotter than downstairs rooms. Why?
Required
2
What happens if you put a warm metal spoon in a cold glass of iced tea?
What happens if you put a warm metal spoon in a cold glass of iced tea?