Question


Conservation of Energy Quick Check
1 of 51 of 5 Items
Question
What is being exchanged in a simple chemical reaction?(1 point)
Responses

force
force

energy
energy

mass
mass

motion

Which system exchanges matter and energy with the environment?(1 point)
Responses

environmental system
environmental system

isolated system
isolated system

open system
open system

closed system

Which is an example of potential energy?(1 point)
Responses

a paper airplane in flight nearing the ground
a paper airplane in flight nearing the ground

an arrow released at a downward angle
an arrow released at a downward angle

water paused at the top of a waterfall
water paused at the top of a waterfall

a ball rolling down a hill

Which statement describes a potential energy diagram as used in physics?(1 point)
Responses

A potential energy diagram shows how an object’s potential energy forms a symmetrical curve.
A potential energy diagram shows how an object’s potential energy forms a symmetrical curve.

A potential energy diagram shows changes in an object’s potential energy as it changes position over time.
A potential energy diagram shows changes in an object’s potential energy as it changes position over time.

A potential energy diagram shows how an object’s potential energy increases as the object moves.
A potential energy diagram shows how an object’s potential energy increases as the object moves.

A potential energy diagram shows changes in an object’s potential energy as it's kinetic energy decreases.

Use the paragraph to answer the question.

A student wants to create a potential energy diagram to represent the trajectory of a tennis ball as it is thrown straight up into the air and falls to the ground. The student labels the x-axis “time” and the y-axis “potential energy.”

Which statement describes the shape of the line the student should draw?

(1 point)
Responses

a decreasing diagonal line
a decreasing diagonal line

an increasing diagonal line
an increasing diagonal line

a U-shaped curve that opens upward
a U-shaped curve that opens upward

a U-shaped curve that opens downward

Answers

GPT-4o mini
Here are the answers to the questions based on the information provided:

1. **What is being exchanged in a simple chemical reaction?**
- **Response:** energy

2. **Which system exchanges matter and energy with the environment?**
- **Response:** open system

3. **Which is an example of potential energy?**
- **Response:** water paused at the top of a waterfall

4. **Which statement describes a potential energy diagram as used in physics?**
- **Response:** A potential energy diagram shows changes in an object’s potential energy as it changes position over time.

5. **Which statement describes the shape of the line the student should draw?**
- **Response:** a U-shaped curve that opens downward

Let me know if you need further explanations or additional help!

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