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WorksheetsVA Science Review
Total questions: 46
Worksheet time: 48mins
Name
Class
Date
1.
Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usuallly covered with plastic to keep them from starting a fire. Why does the plastic keep 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.
2.
Erosion is one of the processes involved in the formation of sedimentary rock. Which of these best describes the process of erosion?
a)
Rocks are broken into smaller pieces that remain in the same location.
b)
Pressure compacts layers of sediment and turns them into rock.
c)
Pieces of rock or soil are carried from one place to another.
d)
Sediment grains fall to the bottom of a lake to form sedimentary layers.
3.
A student observing birds in a park records some ways that birds interact with living and nonliving parts of their environment. All the following observations are was that a bird interacts with nonliving parts of its environment except______
a)
reacting to morning sunlight by singing
b)
drinking and taking a bath in a puddle of water
c)
responding to cold temperatures by fluffing its feathers
d)
feeding insects to its chicks
4.
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
5.
A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?
a)
The container was empty after the mixture evaporated into the air.
b)
The paint evaporated, leaving only clear water in the container.
c)
The water evaporated, leaving only a dry blue solid in the container.
d)
The liquid paint mixture was lighter in color after some water evaporated.
6.
Tropical climates have warm temperatures and abundant sunlight all year. What must be available for plants in these climates to make their own food throughout the year?
a)
Bacteria
b)
Birds
c)
Shade
d)
Water
7.
A student puts four objects in a bucket filled with water. The objects are listed below.
-
Plastic ball
Glass marble
Metal paper clip
Wood block
-
Which two objects are most likely less dense than the water?
-
Plastic ball
Glass marble
Metal paper clip
Wood block
-
Which two objects are most likely less dense than the water?
a)
Wood block and metal paper clip
b)
Plastic ball and glass marble
c)
Metal paper clip and glass marble
d)
Wood block and plastic ball
8.
What is gravity?
a)
The force that keeps you down.
b)
The solar system.
c)
The 7th planet..
d)
A force that keeps you up. :)
9.
Whats the 5th planet??
a)
jupiter
b)
mars
c)
earth
d)
THE SUN?
10.
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.
11.
How many planets are there?
a)
8
b)
6
c)
12
d)
50000000 billion.
12.
Which gets all its energy from the sun?
a)
consumer
b)
producer
c)
decomposer
d)
no living organism
13.
Water is being boiled on the stove. What is the change that is taking place?
a)
A solid is changing into a gas.
b)
A liquid is changing into a gas
c)
A solid is changing into a liquid
d)
There is no change occuring
14.
Which material is most likely to expand if exposed to freezing temperatures?
a)
iron
b)
wood
c)
water
d)
plastic
15.
A ball was rolling fast and then slowed. Which most likelycaused the ball to slow?
a)
heat
b)
wind
c)
friction
d)
momentum
16.
Which statement best describes how winter weather can damage roads?
a)
Snow and ice can cause car accidents, which damage roads.
b)
Rain, ice, and snow can cause the painted lines on roads to fade.
c)
Cold temperatures can cause road materials to expand, creating potholes.
d)
Water can get into cracks in roads, then freeze and expand, making the cracks worse.
17.
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
18.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
19.
A state of matter that has a definite volume and shape.
a)
solid
b)
liquid
c)
gas
d)
matter
20.
A litter of kittens have traits that are similar to both the mother cat and the father cat. Which best explains this situation?
a)
The kittens are provided the same kind of milk from their mother as they grow.
b)
The kittens inherit some of their traits from their mother and some from their father.
c)
The kittens are kept at the same temperatures by their mother when they are first born.
d)
The kittens are taught by their parents to have similar traits.
21.
The outside layer of the earth is called ______________________.
a)
core
b)
crust
c)
mantle
d)
outer core
22.
Most earthquakes happen along the _________________.
a)
coast
b)
faults
c)
desert
d)
directions
23.
What is Magma when it reaches the surface of Earth?
a)
Lava
b)
Mafic Magma
c)
Felsic Magma
d)
None of these
24.
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
25.
A deep valley with steep walls that cut into the earth caused by erosion from running water.
a)
Valley
b)
Canyon
c)
Gulf
d)
River
26.
A place where plants and animals live and grow is called a ____________. It provides, food, water, shelter, and air.
a)
shelter
b)
tree
c)
habitat
d)
organism
27.
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.
28.
Traits that are passed from parents to their offspring are
a)
Acquired traits
b)
Learned Traits
c)
Inherited Traits
d)
Genes
29.
A dog sitting on command is an example of what type of trait?
a)
acquired trait
b)
inherited trait
30.
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
31.
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
32.
Which of the following shows conservation of natural resources?
a)
Throw litter on the side of a highway
b)
Write on both sides of notebook paper
c)
Leave the water running while brushing teeth.
d)
Leave the lights on when exiting a room.
33.
Students are combining dried beans and rice. What would be the most efficient way to separate the ingredients?
a)
Evaporation
b)
Coffee Filters
c)
Tweezers
d)
Microscope
34.
A teacher wears protective gloves to lift a metal pan filled with boiling water from a hot plate. Why are the protective gloves necessary?
a)
The metal pan creates thermal energy
b)
The metal pan insulates thermal energy
c)
The metal pan conducts thermal energy
d)
The metal pan reduces thermal energy
35.
Which liquid is the most dense?
a)
oil
b)
water
c)
syrup
d)
plastic bottle
36.
What do magnets stick to?
a)
copper
b)
wood
c)
iron
d)
plastic
37.
Which form of matter has a fixed shape and volume?
a)
Gas
b)
Solid
c)
Liquid
d)
Plasma
38.
An independent variable is something that-
a)
Changes in the experiment not on its own
b)
You change on purpose in the experiment
c)
doesn't change
d)
doesn't exist
39.
Which form of matter lacks a fixed shape but has a definite volume?
a)
Gas
b)
Solid
c)
Liquid
d)
Plasma
40.
Sound is a form of
a)
Energy
b)
Wave
c)
Matter
d)
Vibration
41.
Sound waves are ______ waves
a)
Compression
b)
Beach
c)
Light
d)
Energy
42.
Which form of matter lacks a fixed shape and volume?
a)
Gas
b)
Solid
c)
Liquid
d)
Plasma
43.
Sound Waves cause molecules to _______
a)
Vibrate
b)
Move
c)
Dance
d)
Freeze
44.
Which of the following is a chemical change-
a)
cutting a paper
b)
dissolving salt in water
c)
rusting of a penny
d)
cracking an egg
45.
Is baking a cake a physical or chemical change?
a)
physical
b)
chemical
c)
both
d)
neither
46.
An object lets light completely through. This is _____.
a)
Opaque
b)
Transparent
c)
Translucent
d)
Clear
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