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1st Semester Test (part 3)
Test Description: Cells and Life, Body System, Energy and Matter
Instructions: Answer all questions to get your test result.
1) When something is not able to be seen through, it isn't transparent when light is shown on it
A
clear
B
translucent
C
reflective
D
opaque
2) When light is shown through an object but there aren't details images of the light
A
translucent
B
transparent
C
reflective
D
opaque
3) How are particles arranged and what is the motion of the particles of a liquid?
A
densely packed and move in a stationary position through vibration
B
They are relatively close together, but move in a random motion freely through the environment
C
They are relatively close together, can move a little and even flow over and around each other
D
spread far apart and move slow
4) What does a mechanical wave need to be able to travel?
A
wind
B
a medium (matter)
C
a good current
D
thin air
5) What is the movement in a transvers wave?
A
vertically
B
Up and down and front to back so they create a current
C
up and down in the opposite direction of the wave
D
horizontally
6) How do the particles move in a longitudinal wave?
A
up and down in the opposite direction of the wave
B
back and forth in the same direction as the wave
C
back and forth, up and down causing a current
D
in a random motion
7) The sun's rays warm Earth through what type of heat transfer?
A
convection
B
conduction
C
radiation
D
specific heat
8) Which of the following is an example of convection
A
air freshener diffusing throughout a room
B
an erupting volcano
C
boiling water
D
roasting a marshmallow over an open fire
9) The frequency of a wave is measured by which of the following
A
Count the number of times the wave passes a fixed point in a given amount of time
B
using a sonar system
C
counting to see how long the wave stays up
D
using a yard stick
10) A wavelength is
A
how we are able to hear someone talk through a phone
B
how long a person waves
C
the distance between each successive crest of a wave
D
the variable of change in a single period
11) The crest of a wave is which of the following
A
the maximum value of upward displacement within a cycle
B
the measurement of how fast the wave is moving
C
the amount of times the waves fall and come back up
D
the minimum or lowest point in a cycle of a wave
12) What is the trough of a wave
A
a type of wave
B
the space between the top of the wave and the bottom of the wave
C
the minimum or lowest point in a cycle of a wave
D
the maximum value of upward displacement within a cycle
*select an answer for all questions
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