G8 - Science

What is the crest of a wave?

• Highest point in a wave.

• The lowest point in a wave.

• The oceans wave crest.

• The resting point of a wave.

What is amplitude?

What is Wavelength?

• The distance between the wave’s crest and the next waves crest.

• The distance between the wave’s trough and the next waves trough.

• The distance of waves resting position and its crest.

• The waves rating of how nice it looks.

Fill in the blank: ______ is the absorption or reflection of sound.

A wave does 2000 cycles in 2 seconds, what’s it’s frequency?

• 1000 HZ

• 2000 HZ

• 500 NM

• 1000 NZ

Fill in the blank: Luminous objects emit _____ of their own.

Any object that immits light due to heat. Is it incandescent or not-incandescent?

• Incandescent

• Not-Incandescent

Fill in the blank: Bioluminescence is when a ______ _____ immits light.

Light is?

• Electromagnetic Radiation

• Radiant Energy

• Vibrations

• Wavelengths