4.3.1

Which of these waves would have less energy?

• Top picture

• Bottom Picture 

Tags

NGSS.MS-PS4-1

When light bounces off something it is known as _____________

• reflection

• refraction

• light energy

• mechanical energy

Tags

NGSS.MS-PS4-2

Digital devices use binary code to _____ information.

• transmit

• Morse code

• pixels

• bits

Which of the following show a form of communication that uses waves?

• A traffic light

• talking to a person across the room

• Sending a text message

• Drawing with a pencil

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Explain how this person can use light waves to communicate.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Draw arros --> to show how the child can see his reflection on the mirror.

Tags

NGSS.MS-PS4-2

What are ways in which light can communicate information? Click all options that apply.

• traffic light

• Morse code

• car turn signal

• Sun light

How does a cell phone send a picture to another cell phone?

• It changes the picture into text.

• It sends the picture through sound waves.

• It downloads the picture into light waves.

• It encodes the picture into binary code

What is the process called when a liquid changes into a gas?

• Evaporation

• Condensation

• Sublimation

• Precipitation

Tags

NGSS.MS-PS1-4

Which of the following is a renewable source of energy?

• Coal

• Natural Gas

• Solar

• Nuclear