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WorksheetsWhitesell Science Review
Total questions: 50
Worksheet time: 1hrs 18mins
Name
Class
Date
2.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
2.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
3.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
4.
Most young animals inherit similar appearances, such as shape and color, from their parent animals. Which best describes why a baby deer (fawn) has spots when the adult deer do not?
a)
The spots help camouflage the fawn for protection.
b)
The spots help a fawn to be seen when crossing roads.
c)
The adult deer lose their spots by rubbing against trees.
5.
The outside layer of the earth is called ______________________.
a)
core
b)
crust
c)
mantle
d)
outer core
6.
Most earthquakes happen along the _________________.
a)
coast
b)
faults
c)
desert
d)
directions
7.
What is Magma when it reaches the surface of Earth?
a)
Lava
b)
Mafic Magma
c)
Felsic Magma
d)
None of these
8.
Dormant volcanoes might erupt in the future.
a)
True
b)
False
9.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
10.
True or False: All metals stick to magnets.
a)
True
b)
False
11.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
12.
What kind of circuit is this?
a)
Series
b)
Parallel
13.
In which state of matter are molecules moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
all of the above
14.
Gas particles are...
a)
tightly packed.
b)
loosely bonded and flowing.
c)
free to fly in all directions.
d)
so hot that the electrons are removed from the nucleus.
15.
A student made a list of activities that involve energy.
-
1. Sharks chasing a school of fish
2. A toaster heating bread
3. A cell phone charging
4. A tree limb falling to the ground
5. Tomato plants absorbing sunlight
6. A canoe floating down a river
-
Which activities on the list are examples of the use of mechanical energy?
-
1. Sharks chasing a school of fish
2. A toaster heating bread
3. A cell phone charging
4. A tree limb falling to the ground
5. Tomato plants absorbing sunlight
6. A canoe floating down a river
-
Which activities on the list are examples of the use of mechanical energy?
a)
Activities 1, 4, and 6
b)
Activities 2, 4, and 5
c)
Activities 1 and 2
d)
Activities 3, 5, and 6
16.
Which of these is not soluble in water?
a)
Oil
b)
Salt
c)
Honey
d)
Sugar
17.
Which will most likely cause a decrease in predator populations?
a)
an increase in prey populations
b)
a decrease in prey populations
c)
a decrease in decomposers
d)
an increase in producers
18.
In a grassland ecosystem, if the population of eagles suddenly decreased, what will most likely be the effect on the rest of the ecosystem?
a)
The ecosystem will become overpopulated with snakes.
b)
There will be a decrease in the population of snakes in the ecosystem.
c)
The nutrition of the soil in the ecosystem will decrease.
d)
More types of plants will begin growing in the ecosystem.
19.
What weather will most likely result from a low-pressure weather system?
a)
cloudy conditions
b)
sunny conditions
c)
snow
d)
Hurricane
20.
Whats the 5th planet??
a)
jupiter
b)
mars
c)
earth
d)
THE SUN?
21.
What causes it to change seasons?
a)
The tilt of the earths axis.
b)
when the sun is closer to the northern hemisphere.
c)
gravity.
d)
the orbit.
22.
What does axis mean?
a)
An imaginary line about which a body rotates.
b)
EARTH
c)
50
d)
the sun.
23.
How old is earth? :)
a)
OLD
b)
4.543 billion years
c)
723984728974
d)
18 MILLION YEARS OLD..
24.
How many planets are there?
a)
8
b)
6
c)
12
d)
50000000 billion.
25.
What is Revolution?
a)
the motion of one object around another.
b)
A cycle of space..
c)
The earth orbiting the sun.
d)
Some type of space thing. :)
26.
Which testable question could be used to investigate the effects of force on an object?
a)
Why do toy cars move?
b)
Which type of battery lasts the longest?
c)
Where can magnets be purchased?
d)
Do balls roll faster on rough or smooth surfaces?
27.
A bear receives the energy it needs to survive after it -
a)
drinks plenty of water
b)
eats fish and berries
c)
takes a nap
d)
rests in the sunlight
28.
Which mixture can be separated using a coffee filter?
a)
rocks and sand
b)
sand and water
c)
lemon juice and water
d)
sand and iron filings
29.
Plants are known as producers because they produce their own food. How do producers receive the energy for this process?
a)
By consuming soil nutrients
b)
By absorbing sunlight
c)
By releasing water
d)
By producing oxygen
30.
What physical property of matter can be measured using the triple beam balance?
a)
length
b)
height
c)
volume
d)
mass
31.
What would take the most force?
a)
Rolling a rock down a hill
b)
Pushing a rock on ice
c)
Pushing a rock on a gravel road
d)
Pulling a rock on wheels
32.
Buoyancy means the ability to:
a)
evaporate
b)
attract magnetic objects
c)
repel things that are not electrical
d)
float or sink
33.
What are physical properties of matter?
a)
A mixture that is evenly mixed
b)
A combination of two or more substances
c)
solids, liquids, and gases
d)
characteristics of matter that can be observed or measured
34.
The rise and fall of water levels around the world are known as tides. Most areas have a high tide and a low tide twice daily. What causes the water levels to rise and fall twice daily?
a)
The pull of Moon's gravity on Earth's water
b)
The pull of the Sun's gravity on Earth's water
c)
The uneven heating of the Earth
d)
Stong noth winds on the Earth's ocean.
35.
a mixture of two or more substance that are evenly distributed?
a)
solution
b)
insulator
c)
filter
d)
mass
36.
any material that stops or slows the movement of electricity or heat?
a)
solubility
b)
density
c)
solution
d)
insulator
37.
Instrument for measuring temperature?
a)
magnet
b)
thermometer
c)
balance scale
d)
physical property
38.
The amount of mass ( or matter) compacted into a certain volume?
a)
mixture
b)
solid
c)
solubiltiy
d)
density
39.
A combination of two or more substances?
a)
solubility
b)
solution
c)
mixture
d)
density
40.
What is the boiling point of water?
a)
32 degrees Celsius
b)
0 degrees Celius
c)
100 degrees Celius
d)
0 degrees Fahrenheit
41.
What is the term for the bending of light?
a)
Refracted
b)
Reflected
c)
Illuminated
42.
The Arrows show the ______ __ __________
a)
Transfer of energy
b)
Animals get eaten
c)
World is rotating
d)
Transfer of meat
43.
Which of these cycles is a direct result of Earth's rotation?
a)
Day and night
b)
Moon phases
c)
Rainfall and evaporation
d)
Seasons
44.
The diagram shows a series circuit with three lit bulbs. How many bulbs will remain lit if the wire is cut at the point shown by the arrow?
a)
0
b)
1
c)
2
d)
3
45.
Which gets all its energy from the sun?
a)
consumer
b)
producer
c)
decomposer
d)
no living organism
46.
A ball was rolling fast and then slowed. Which most likelycaused the ball to slow?
a)
heat
b)
wind
c)
friction
d)
momentum
47.
Which will most likely increase the speed of an object?
a)
applying a faster force
b)
applying a slower force
c)
applying a weaker forcer
d)
applying a stronger force
48.
Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usually covered with plastic to keep them from starting a fire. Why does the plastic keep the electricity from starting a fire?
a)
Plastic is a good insulator.
b)
Plastic can melt when heated.
c)
Plastic is softer than wire.
d)
Plastic conducts electricity.
49.
The mixture of salt and water is considered a solution. What makes it a solution?
a)
there is no way to separate the salt from the water
b)
the salt dissolved in the water
c)
whenever you mix a solid and liquid together, it is a solution
d)
both the salt and the water kept all the physical proerties
50.
What needs to occur for the box to move to the right?
a)
Ling and Sam need to push the box with equal force.
b)
Sam needs to push the box with more force than Ling.
c)
Ling needs to push the box with more force than Sam.
d)
Sam and Ling need to pull on the box with equal force.
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