CAST Review (waves, space)

Magnetic poles that are unlike ________and magnetic poles that are alike ___________.

• run; stay
• attract; repel
• stay; repel
• repel; attract

Tags

NGSS.MS-PS2-3

What is a magnetic field?

• purple lines with arrows
• area of magnetic force around a magnet
• it's like a really big football field
• area of a magnet around a magnetic force

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

________ is the midpoint in a wave where amplitude begins.

• point of origin
• amplitude
• crest
• wavelength

Tags

NGSS.MS-PS4-1

What is the measure of how many waves pass a point in a certain amount of time?

• frequency
• wavelength
• midpoint
• crest and trough

Tags

NGSS.HS-PS4-1

Amplitude reflects the amount of ____________________ in a wave.

• energy
• compression
• rarefaction
• speed

Tags

NGSS.MS-PS4-1

A _____________________ is the distance between a point on one wave and the identical point of the next wave.

• amplitude
• wavelength
• frequency
• compression

Sound vibrations travel in a wave pattern, and we call these vibrations sound waves.

• True

• False

The Earth's tilt is the reason for the seasons.

• True

• False

For a solar eclipse to occur, what has to happen?

• The sun must be directly between Earth and the moon.
• The moon must be directly between Earth and the Sun.

What is a lunar eclipse?

• an eclipse in which the moon appears darkened as it passes into the earth's shadow
• an eclipse in which the sun is obscured by the moon