G7 U3

What can be inferred about the graph?

• Speed travels fastest through air

• Speed travels fastest through solids

• Speed travels slow in solids

• Speed travels slowest in air

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which type of wave is shown?

• Transverse

• Longitudinal

• Mechanical

• Refracted

Tags

NGSS.MS-PS4-1

Waves carry...

• Energy

• Ice

• Prunes

• Juice

Tags

NGSS.MS-PS4-1

Light waves travel quickly when...

• Bounce

• Have energy

• They use a vacuum

Which wave is the longest, which is the shortest?

• Gamma Ray; Radio Waves

• X-Ray';Gamma Waves

• Radio Waves; Gamma Rays

Tags

NGSS.MS-PS4-1

When the wave bends, we see...

• Refraction

• Rarefaction

• Absorption

Tags

NGSS.MS-PS4-2

When waves become trapped, they are...

• refracted

• bounced

• absorbed

Tags

NGSS.MS-PS4-2

What's the difference between an experiment and an observation?

• Experiments don't test the hypothesis, observations do.

• Observations test the hypothesis and experiments don't.

• Experiments must be tested with multiple trials [repetition]

Why will a laser appear bent in water?

• Because of the speed it entered

• Because it's red.

Tags

NGSS.MS-PS4-2

How did scientists agree on the theory of the electromagnetic spectrum?

• They debated theories and compared them to scientific observations

• They chose the most famous scientists' work

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4