Light and forms of energy

Look at the picture below.  Which part of the lamp system could be removed and the lamp still work?

• The lamp shade
• The electrical cord
• The light bulb
• The wall outlet

Tags

NGSS.4-PS3-4

Which object is the best conductor of electricity?

• A ceramic mug
• A plastic fork
• A penny
• A wooden craft stick

Tags

NGSS.5-PS1-3

The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes?

• Light and sound
• Electrical and thermal
• Thermal and mechanical
• Mechanical and electrical

Tags

NGSS.4-PS3-2

Which object requires only mechanical energy to perform its main function?

• A
• B
• C
• D

A student made a list of activities that involve energy. Which activities on the list are examples of the use of mechanical energy?

• Activities 1, 4, and 6
• Activities 2, 4, and 5
• Activities 1 and 2
• Activities 3, 5, and 6

Tags

NGSS.MS-PS3-5

A student uses a set of headphones to listen to music. Which of these objects uses the same source of energy as the headphones?

• A flute using wind energy
• A piano using mechanical energy
• A keyboard using electrical energy
• A teapot using thermal energy

Many people ride a bicycle for fun and exercise. Some people ride a bicycle to work because it saves money and benefits the environment by reducing the use of fossil fuels. Which of these is NOT an example of the bicycle using mechanical energy?

• The pedals, gears, and chin help turn the wheels.
• The wheels turn when the bicycle moves.
• The front wheel guides the bicycle as it moves.
• The reflector allows the bicycle to be seen at night.

Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture below shows a cartoon like the ones Goldberg drew. Which form of energy is used to turn on the switch?

• Light energy
• Thermal energy
• Electrical energy
• Mechanical energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of these best demonstrates the reflection of light? (5.6C)

• Looking through the glass of a large window

• Looking at an image formed on a silver spoon

• Looking at a lightbulb that is glowing

• Looking at a star on a clear night

Tags

NGSS.MS-PS4-2

When light travels through air into a prism, it bends and separates into many colors. In which other situation does light bend? (5.6C)

• When light moves through air into water

• When light hits a wall

• When light passes through outer space

• When light hits a mirror

Tags

NGSS.MS-PS4-2