1st Semester Test (part 3) Question Preview (ID: 58097)


Cells And Life, Body System, Energy And Matter. TEACHERS: click here for quick copy question ID numbers.

When something is not able to be seen through, it isn't transparent when light is shown on it
a) reflective
b) opaque
c) translucent
d) clear

When light is shown through an object but there aren't details images of the light
a) transparent
b) reflective
c) opaque
d) translucent

How are particles arranged and what is the motion of the particles of a liquid?
a) They are relatively close together, can move a little and even flow over and around each other
b) densely packed and move in a stationary position through vibration
c) They are relatively close together, but move in a random motion freely through the environment
d) spread far apart and move slow

What does a mechanical wave need to be able to travel?
a) thin air
b) wind
c) a medium (matter)
d) a good current

What is the movement in a transvers wave?
a) horizontally
b) vertically
c) Up and down and front to back so they create a current
d) up and down in the opposite direction of the wave

How do the particles move in a longitudinal wave?
a) back and forth in the same direction as the wave
b) back and forth, up and down causing a current
c) up and down in the opposite direction of the wave
d) in a random motion

The sun's rays warm Earth through what type of heat transfer?
a) convection
b) radiation
c) conduction
d) specific heat

Which of the following is an example of convection
a) boiling water
b) an erupting volcano
c) air freshener diffusing throughout a room
d) roasting a marshmallow over an open fire

The frequency of a wave is measured by which of the following
a) using a yard stick
b) using a sonar system
c) counting to see how long the wave stays up
d) Count the number of times the wave passes a fixed point in a given amount of time

A wavelength is
a) the distance between each successive crest of a wave
b) how we are able to hear someone talk through a phone
c) how long a person waves
d) the variable of change in a single period

The crest of a wave is which of the following
a) the minimum or lowest point in a cycle of a wave
b) the maximum value of upward displacement within a cycle
c) the amount of times the waves fall and come back up
d) the measurement of how fast the wave is moving

What is the trough of a wave
a) the maximum value of upward displacement within a cycle
b) the space between the top of the wave and the bottom of the wave
c) a type of wave
d) the minimum or lowest point in a cycle of a wave

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