Which of the following is an example of effort or work?

• pushing a car but the car still does not move

• pushing a table so that it moves

• studying to get a good score

• pushing a wall

Tags

NGSS.MS-PS3-5

The energy that comes from the food we eat will be changed into...energy.

• heat

• electrical

• potential

• kinetic

Below are the factors that affect the amount of heat energy received or released by an object, except.....

• the mass of the object

• the type of the object

• temperature change

• the length of the object

The energy possessed by a moving object is called....

• potential energy

• kinetic energy

• chemical energy

• electrical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The energy owned by an object because of its place and position is called .....

• potential energy

• kinetic energy

• chemical energy

• electrical energy

Tags

NGSS.MS-PS3-2

Energy that is possessed by an object because of its place or position is called....

• potential energy

• kinetic energy

• chemical energy

• electrical energy

Tags

NGSS.MS-PS3-2

The correct energy transformation in the picture below is.....

• potential energy → kinetic energy

• kinetic energy $\rightarrow$ electrical energy

• potential energy → kinetic energy → electrical energy

• kinetic energy $\rightarrow$ electrical energy $\rightarrow$ light energy
  

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The correct energy transformation in the device shown in the picture below is....

• electrical energy → heat energy

• electrical energy → light energy

• light energy → electrical energy → heat energy

• light energy → electrical energy → light energy

An object is put at an altitude of 10 meters above the ground, then it is dropped until it hits the ground. In this situation, the correct transformation energy is....

• mechanical energy → kinetic energy

• chemical energy → heat energy

• potential energy → kinetic energy

• chemical energy → potential energy

Tags

NGSS.MS-PS3-5

Look at the table below.

1. Biogas

2. Fossil fuel

3. Biodiesel

4. Coal

From the table, the examples of alternative energy are shown in number...

• 1 and 2

• 1 and 3

• 2 and 3

• 3 and 4