Science Review 2

A guitarist strums two strings on a guitar. The first string vibrates more quickly than the second string. What is true about the pitch of the string?

• The first string has a higher pitch than the second string
• The second string has a higher pitch that the first string.
• The first string and the second string have the same pitch.
• The pitch of the second string depends on the pitch of the first string.

Why do we see objects as white?

• They absorb all light
• They reflect all light
• They absorb some light and reflect some light

The sun and everything that revolves around it.

• solar system
• galaxy
• universe
• rotation

A tapeworm and a cat have this type of relationship.

• mutualism
• parasitism
• commensalism
• competition

It takes Earth _____________ to make one revolution or orbit around the Sun.

• 365 days
• 365 hours
• 28 days
• 24 hours

Shorter wind instruments have ____________ pitches to their sound.

• lower
• like
• higher
• vibrating

The rotation of Earth on its axis causes the pattern of _____.

• night and day
• constellations
• Earth's seasons
• the phases of the moon

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

The color you see is the color that is ___.

• absorbed
• reflected

Without the sun's gravity, Earth would....

• drift into space
• crash into the sun
• stay in the same location
• none of the above