Test - Energy

Question 1

Energy in the form of motion is what

Answer 1

Kinetic energy

Study guide

Question 2

The kinetic energy of an object increases as it’s what increases

Answer 2

Velocity

Notes page 1

Question 3

Transfer of energy by the movement of heated particles

Answer 3

Convection

Notes p1

Question 4

When you hold an ice cube , your hand feels cold because

Answer 4

Heat flows form your hand to the ice cube

Notes p2

Question 5

The sum of kinetic energy and potential energy within a system is called whst

Answer 5

Mechanical energy

Notes p2

Question 6

What shows thermal energy transfer by convection

Answer 6

Stove

Study guide

Question 7

Kinetic energy is what

Answer 7

Moving energy

Notes
P2

Question 8

A toaster is an example of what

Answer 8

Electrical to thermal

Notes p2

Question 9

How much force is required to lift a rock a vertical distance of 8m is 80j of work was done

Answer 9

10 N

Notes p2

Question 10

Bob used a force of 10 N to pull a 50 kg trunk a distance of 5 m in 2 seconds. Bob’s power is

Answer 10

25W

Notes p2

Question 11

A constant force of 2.0 N is used to push a 3.0 kg box 4.0 m across the floor. How much work is done? *

Answer 11

8J notes 2

Question 12

W
The picture below shows a person swinging a baseball bat, starting at point A. The kinetic energy of the bat would be the greatest at *
0/1

Answer 12

By the feet

Study guide

Question 13

What shows the same type of thermal energy transfer

Answer 13

Stove & iron

Notes p3

Question 14

The rate at which work is done

Answer 14

Power

Notes p1

Question 15

Amount of heat needed to raise the temperature of 1 kg of a material by 1 °C.____ *
0/1

Answer 15

Specific heat

Notes 2

Question 16

When oil is burned to produce electricity, the electrical energy produced is less than the potential energy in the oil. Which best explains this observation? *

Answer 16

Some of the potential energy in oil is converted into forms of energy other than electricity.

Notes p1

Question 17

Mechanical energy of a coconut falling from tree is

Answer 17

Remains constant

Notes 3

Question 18

The picture below shows a person swinging a baseball bat, starting at point A. The gravitational potential energy of the bat would be the greatest at *

Answer 18

Feet

Notes 3

Question 19

The diagram to the right shows four locations in a temperature field. The temperature of each location is given in degrees Celsius. Heat energy will normally flow from: *

Answer 19

35 to 29 High to low

Notes p1