Energy Study Guide

Question 1

The average kinetic energy of the molecules refers to?

Answer 1

Temperature

Question 2

Calories are units that express the measurement of?

Answer 2

Heat (blubber)

Question 3

What happens when molecules vibrate faster and faster?

Answer 3

Kinetic Energy; It warms up

Question 4

How will the rising of a hot air balloon and cold air be different than in warm air?

Answer 4

The balloon will rise faster in the cool air

Question 5

What happens when an ice cube melts in a glass of water?

Answer 5

Energy transfers from the water to the ice

Question 6

The sea level boiling point for water is?

Answer 6

212 degrees Fahrenheit

Question 7

Which statement is true about a small glass and a large glass of water filled with the same temperature?

Answer 7

The larger glass has the larger amount of heat

Question 8

What is the freezing temperature of water on the Celsius scale?

Answer 8

0 degrees Celsius

Question 9

Which of the following is an example where kinetic energy is converted to potential energy?

Answer 9

The spring is stretched

Question 10

When you get to the top of a roller coaster what change has taken place?

Answer 10

The kinetic energy is changing to potential energy

Question 11

Friction converts the energy of motion to?

Answer 11

Heat energy

Question 12

Friction is a form of?

Answer 12

Force

Question 13

Friction is caused by the_________ of objects liquids or gases moving past each other

Answer 13

Resistance

Question 14

Which type of friction acts on a parachute as it falls to the ground?

Answer 14

Fluid Friction

Question 15

Viscosity is the characteristic of a fluid that resist solidifying flowing or mixing other liquids

Answer 15

Flowing

Question 16

The force that one’s surface exerts on another when the two rub against to each other is called_________

Answer 16

Friction

Question 17

When an object rolls over a surface what type of force is acting on it?

Answer 17

Rolling Friction

Question 18

What is the correct formula for weight?

Answer 18

Mass x gravity= weight

Question 19

Gravity is the force that determines the_________of matter

Answer 19

Weight

Question 20

Identify the object that has the greatest gravitational pull

Answer 20

The Sun

Question 21

Where would you find the least gravitational pull?

Answer 21

On the moon

Question 22

The gravitational attraction between two object depends on the objects and the____

Answer 22

The center of mass

Question 23

Lifting a 20 newton anvil one meter require 20,000 joules

Answer 23

5 thousand joules

Question 24

If an object is moving at a constant speed and a force pushes it what happens?

Answer 24

It will accelerate

Question 25

If the force of 10 newton are acting on an object and you add 6 more newtons how many do you have?

Answer 25

16 units of force

Question 26

A stationary object got one force pushing it North at 16 newtons and a force pushing it South at 12 newtons which direction does it move?

Answer 26

North