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WorksheetsSemester 1 Review For Science 6
Total questions: 31
Worksheet time: 16mins
Name
Class
Date
1.
Mrs. O'Brien and Mrs. Astrove asked the class to measure the time the sun sets every day for three months. What type of graph would you use to show the changes in the time the sun set?
a)
bar graph
b)
line graph
c)
pie graph
2.
What is the best energy change of a battery operated flashlight?
a)
chemical to electrical to light
b)
electrical to chemical to light
c)
thermal to electrical to light
d)
electrical to thermal to light
3.
This experiment was set up to test the hypothesis that plants grow faster in green light, compared to red or yellow lights.. What is the independent variable in this experiment?
a)
type of plant
b)
amount of water
c)
color light
d)
size of pot
4.
Because water consists of polar molecules,
a)
it can be attracted using a magnet.
b)
water molecules tend to stick together.
c)
most of it is found at the North and South poles.
5.
Which of the following is not polar to water?
a)
sugar
b)
wax
c)
salt
d)
juice
6.
When placed in water, ice rises to the top of the liquid. Ice floats because
a)
gases inside the ice make it sink
b)
the pressure of the water holds it up
c)
it is less dense than water
d)
it is colder than water
7.
Which type of energy change does a windmill represent?
a)
chemical to wind to mechanical to electrical
b)
electrical to wind to mechanical
c)
wind to mechanical to electrical
8.
A group of students wanted to see if different liquids evaporated at the same rate at room temperature. The students decided to test fresh water, salt water and rubbing alcohol. What is the IV?
a)
the student
b)
different liquids
c)
evaporation rate
d)
temperature
9.
The US used about 19 million barrels of petroleum per day in 2000. This rate continues to increase. It is important to develop alternate sources of energy because petroleum
a)
will eventually use up all the oxygen needed for human survival.
b)
is being spilled into the ocean faster than it is being used.
c)
falls to store solar energy and contains limited chemical energy.
d)
is a limited source of energy that is almost impossible to renew.
10.
A compound is formed when
a)
neutrons combined with protons
b)
a solid becomes a liquid
c)
two or more elements chemically combine
d)
a solute combines with a solvent
11.
When looking at a graduated cylinder you look...
a)
straight across at the bottom of the meniscus
b)
straight across at the top of the meniscus
c)
Looking from above to the bottom of the menisucs
d)
Looking from below to the bottom of the menisucs
12.
Why isn’t water vapor that comes from the ocean salty?
a)
salt is too heavy
b)
salt is not polar to water
c)
water is too heavy
d)
it does evaporate - trick question
13.
When deciding which element one is looking at, you look at the number of _____.
a)
protons
b)
neutrons
c)
electrons
d)
does not matter what you look at
14.
Abdullah wants to know the effect of loudness of music on the growth of plants. What is the IV?
a)
type of music
b)
how loud music is
c)
growth of plant
d)
silence
15.
Abdullah wants to know the effect of loudness of music on the growth of plants. What is the DV?
a)
Loudness of music
b)
type of music
c)
growth of plants
d)
no music
16.
Hashem wants to know if the length of a shadow cast by a tree is related to the location of the sun. Which axis would the length of shadow go on?
a)
x - axis
b)
y -axis
17.
How many atoms does water have in one molecule?
a)
1
b)
2
c)
3
d)
4
18.
What is correct for the molecule formula with charge for water?
a)
H+H+O+
b)
H-H-O-
c)
H+H+O-
d)
H-H-O+
19.
Moises puts a piece of chalk in a container with water and rocks and shook it for several minutes. Which type of weathering is this?
a)
Chemical weathering
b)
Mechanical weathering
20.
Pothole is an example of
a)
mechanical weathering
b)
chemical weathering
21.
Rusting is an example of
a)
mechanical weathering
b)
chemical weathering
22.
Oil, coal and natural gas are considered....
a)
renewable resource
b)
nonrenewable resource
23.
If a person that weighed 100 pounds was standing on 4 different locations, which would have the most potential energy?
a)
1 foot off of the ground
b)
10 feet off of the ground
c)
100 feet off of the ground
d)
Standing on the ground
24.
If a person that weighed 100 pounds was standing on 4 different locations, which would have the least potential energy?
a)
on the ground
b)
10 feet off of the ground
c)
20 feet off of the ground
25.
Why do scientists perform multiple trials of the same experiment?
a)
To include additional variables in the experiment
b)
To compete the steps of the experiment in less time
c)
To find a less expensive way to conduct the experiment
d)
To increase the likelihood of accurate experiment results
26.
What type of charge does an electron have?
a)
positive
b)
negative
c)
neutral
27.
What type of charge does a proton have?
a)
positive
b)
negative
c)
neutral
28.
What type of charge does a neutron have?
a)
positive
b)
negative
c)
neutral
29.
If you measuring the length of a desk, which unit would you use?
a)
gram
b)
meter
c)
liter
30.
If you measuring the mass of a desk, which unit would you use?
a)
liter
b)
kilogram
c)
meter
31.
If you measuring the amount of coke in a glass, you would measure in...
a)
mL
b)
mm
c)
mg
d)
C
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