What are Waves?

Question 1

background knowledge…

Answer 1

• energy is the ability to cause change

Question 2

What is a wave?

Answer 2

• a disturbance that transfers energy

Question 3

medium

Answer 3

• a material through which energy can travel

Question 4

types of waves…

Answer 4

• mechanical: needs a medium

- electromagnetic: does not need a medium

Question 5

mechanical waves…

Answer 5

• can only travel if there is a medium to travel through

- needs the particles in order to transfer energy

Question 6

mechanical wave examples…

Answer 6

• earthquakes
• ocean waves
• sound

Question 7

electromagnetic waves…

Answer 7

• can travel through mediums

- they travel fastest in empty space … vacuum

Question 8

electromagnetic wave examples…

Answer 8

• light
• radio waves
• gamma rays