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End of Year Science Review

Total questions: 113

Worksheet time: 2hrs 33mins

Name
Class
Date
1.
1)  Thomas and Julie wanted to find out which material would insulate their teacher's coffee cup and keep the coffee hot for the longest period of time. They first wrapped her cup with bubble wrap and recorded the temperature of the coffee once every 15 minutes for 2 hours. They repeated the investigation, this time using newspaper instead of bubble wrap, but they got the same results for both materials.  
What could they do to make sure their results are valid?
a)
Repeat their experiment.
b)
Use teas instead of coffee.
c)
Use a different thermometer.
d)
Conduct their investigation in a colder room. 
2.
1)  Kevin wanted to find out which of his toy cars, the Corvette or the Mustang, would roll downhill faster. He made a ramp by putting several books under one end of a board so that the board was slanted.
Which would be the best way for him to perform his experiment?
 
a)
Roll each car down the ramp separately five times and estimate which car looked faster.
b)
Roll both cars down the ramp together one time and see which one gets to the bottom first.  
c)
Roll each car down the ramp separately one time, and time them with the second hand on his watch.
d)
Roll both cars down the ramp together five times and record which gets to the bottom first each time.
3.
The students in Miss Smith's class were using catapults to launch small and large marshmallows across the room. The table shows the distances in centimeters (cm) that the marshmallows traveled.
 of the following statements best describes the students' data?
a)
Small marshmallows travel an average of 9 centimeters
b)
Large marshmallows travel an average of more than 20 centimeters
c)
On average, small marshmallows travel farther than large marshmallows.
d)
A.  On average, large marshmallows go higher in the air than small marshmallows
4.
Which of the following must be true for scientific results to be valid?
a)
The results must be drawn in a graph.
b)
The results should be based on evidence.
c)
The results should support the ideas of other scientists. 
d)
The results should match the predictions of the scientist.
5.
When conducting an investigation, a scientist's main goal should be which of the following?
a)
The scientist should include his opinions in the results.
b)
The scientist should aim to become famous for his work.
c)
The scientist should follow a very specific scientific method.
d)
The scientist should aim to answer questions about the natural world.
6.

) Louis is dropping a large rubber ball and a small rubber ball from the same height to determine which ball will bounce the most. Louis hypothesizes that the larger rubber ball will have the greatest number of bounces. As he conducts his experiment, he records the number of bounces each ball makes in ten trials in his data table. After he finishes, he studies his data, summarizes his results, and discusses his findings.

Louis tries to make sense out of his data to determine if he can make any claims about his hypothesis. What is this process called?

a)

writing a report

b)

making a conclusion

c)

collecting data

d)

developing a question

7.

Gina's grandparents have a small orange grove. Gina wants to find out if planting clover around the base of the orange saplings will help them grow. To find out, she plants clover around three rows of saplings. Gina does not plant any clover around the last row of saplings.

Why does Gina leave the fourth row of saplings without any clover?

a)

The last row is the control in Gina's investigation.

b)

Clover is too expensive to put around all the trees.

c)

The trees aren't able to reproduce with clover planted around them.

d)

Clover attracts predators that will keep animals from living in the trees.

8.

) Billy's class is studying the Moon. He is curious about how craters are formed. His teacher has the class do an investigation to find out if rocks dropped from different heights will make craters that are different in depth.

The class decides to drop a rock from 50 centimeters, 1 meter, and 1.5 meters. In scientific terms, what do we call each of the three different heights that the rock is being dropped from?

a)

control

b)

graph

c)

hypothesis

d)

variable

9.

Rafael loves to blow bubbles in the summer. He spends hours exploring different materials in order to create the largest bubbles possible. He performs an experiment in which he creates bubbles using different materials like string, wire hangers and straws. He repeats the experiment five times. The results are shown in the table.


What should Rafael do to improve his experiment?

a)

He should add variables to his experiment.

b)

He should perform fewer trials to save time.

c)

He should measure the bubbles the same way in each trial.

d)

He should perform experiments using more different materials.

10.

Avi is comparing two brands of batteries. He uses two identical flashlights to see which battery lasts longer. What is the best reason for this experiment to be repeated?

a)

to check whether the results are consistent

b)

to make sure the flashlights were not broken

c)

to check that no one turned off one of the flashlights

d)

to make a prediction about a different brand of battery

11.

Harry is investigating magnets. He wants to find out whether a magnet can pick up a paper clip through paper, glass, and other materials. What is the best reason for recording his steps and results carefully?

a)

No one will question his conclusions

b)

Someone else can repeat the experiment

c)

People might think he just made up the results

d)

He may not remember what materials he tested

12.

Fred is experimenting with electrical circuits. He connects three bulbs to a battery using this set up. What is the best reason for Fred to make an accurate drawing of his experimental set up?

a)

so he will not get an electrical shock

b)

so that all three bulbs will light up together

c)

so someone else can repeat the experiment

d)

so he can make a prediction before he starts

13.

Everything that exists, including space, time, the galaxies, planets, stars, dust, and gases.

a)

universe

b)

galaxy

c)

world

14.

What galaxy do we live in?

a)

The Universe

b)

The Solar System

c)

Milky Way

15.

Which of the following is true of the sun?

a)

The sun is the closest star to Earth.

b)

The sun is the largest star in the Milky Way.

c)

The sun is the largest planet in our Solar System.

d)

The sun is an example of a galaxy that gives off light energy

16.

Peter has learned that many stars are actually larger than the sun. If this is true, why do these stars appear like points of light in the sky?

a)

These stars are hotter than the sun.

b)

These stars have less mass than the sun.

c)

These stars are farther away from Earth than the sun is.

d)

These stars are made of different chemicals than the sun.

17.

Which of the following best describes what makes up a galaxy?

a)

gas, dust, and many stars

b)

a star and planets orbiting the star

c)

one planet and a moon orbiting the planet

d)

a group of several stars that make a shape in the sky

18.

Which answer describes how the inner planets are similar to each other?

a)

They are all the same size.

b)

They all have solid surfaces.

c)

They all have at least one moon.

d)

They all have a thick atmosphere.

19.

Which of the inner planets listed below is closest to the sun?

a)

Earth

b)

Mars

c)

Mercury

d)

Venus

20.

Of the outer planets, which one is closest to the sun?

a)

Jupiter

b)

Neptune

c)

Saturn

d)

Venus

21.
Which of the following is true of the moon?
a)
It revolves around Earth.
b)
It causes seasonal changes.
c)
It changes shape.
d)
It causes day and night.
22.
Use the clues to identify the objects being described. Most of these objects can be found in a large space between Mars and Jupiter. They are made of small and large rocks and they orbit the sun.  What are these objects called?
a)
Asteroids
b)
Stars
c)
Comets
d)
Planets
23.

There are lots of objects in our solar system, but only 8 of them are planets. What do ALL planets have in common?

a)

They are all made of rock or ice.

b)

They all have rings or moons as satellites.

c)

They all are nearly round, and orbit the Sun.

d)

They all rotate on an axis, and orbit the Earth.

24.

How many long does it take for the Earth to complete one revolution around the Sun?

a)

24 hours

b)

365 days

c)

1 Week

d)

30 Days

25.

Which of the following best defines a rotation?

a)

The Earth spinning on its axis

b)

The Earth moving around the Sun

c)

The Sun moving around the Earth

d)

The planets moving around the Sun

26.

Which of the following best describes Earth's axis?

a)

An invisible line that runs from the United States to Japan

b)

An invisible line that runs from South America to Hawaii

c)

An invisible line that runs from Europe to Asia

d)

An invisible line that runs from the North Pole to the South Pole

27.

Marsha places a sealed plastic bottle of water in a freezer. The next day she discovers that the water has frozen and split the sides of the bottle. What process does this phenomenon best represent?

a)

chemical weathering

b)

deposition

c)

mountain building

d)

physical weathering

28.
What is a glacier?
a)
hills formed by the wind blowing sand
b)
a huge mass of ice that formed from accumulated and compacted snow that slowly moves down a slope
c)
A large body of water with land all around it
d)
The outline or shape of a coast or the boundary between land and a lake or ocean
29.
Rock that forms when sediment from older rocks get pressed and cemented together.
a)
Sedimentary Rock
b)
Metamorphic Rock
c)
Igneous Rock
30.
The process by which metamorphic rocks are formed...
a)
heat and pressure
b)
erosion and deposition
c)
melting and cooling
31.
_______ rock forms from magma/lava
a)
Metamorphic
b)
Sedimentary
c)
Igneous
32.
A naturally formed, inorganic solid that has a crystalline structure is a
a)
Sulfide
b)
Sulfate
c)
Mineral
d)
Element
33.

Which mineral property is identified by the color of the powder left behind when the mineral is rubbed across a rough surface?

a)

Hardness.

b)

Streak.

c)

Luster.

d)

Color.

34.

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

a)

It's not very lustrous.

b)

It's not very hard.

c)

It's streak is black - colored.

d)

It has fracture.

35.

Trees are renewable resources.

a)

True

b)

False

36.

Coal is a renewable resource.

a)

True

b)

False

37.
Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?
a)
They are being formed as a type of methane which we cannot use.
b)
They are being formed too far beneath the surface.
c)
The fossil fuels are being broken down by a natural process.
d)
We are depleting the fossil fuels much faster than they can form.
38.

This natural resource is...

a)

nonrenewable solar

b)

renewable solar

c)

nonrenewable wind

d)

renewable water

39.

Runoff means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

40.

Condensation means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

41.

Evaporation means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

42.

Water falls from the sky in...

a)

evaporation

b)

condensation

c)

precipitation

43.

A student made the object below. What weather condition is the object designed to measure?

a)

rainfall

b)

windspeed

c)

humidity

d)

air pressure

44.

A weather report predicts that it will be a sunny and dry day. What weather condition best explains the predicted weather?

a)

high precipitation

b)

high humidity

c)

low air pressure

d)

high air pressure

45.

Bridget tells her friend Alexis that she thinks the humidity is high because her hair is more curly than normal. Which tool could Alexis use to determine if the humidity is high?

a)

a barometer

b)

a wind vane

c)

a hygrometer

d)

a thermometer

46.

A cold front forms when a mass of cold air moves under warm air. As a cold front passes over an area, the air pressure drops and the area becomes a low-pressure zone. Which type of weather are you most likely to see when a cold front passes over an area?

a)

thunderstorms

b)

clear skies

c)

light winds

d)

short showers

47.

Mindy found two seashells when she went to the beach. They appear to be almost the same size, but they have different shapes. How could she figure out if their volume is the same?

a)

weigh each one on a scale to see which is heaviest

b)

take the temperature of each one to see which has the most heat

c)

measure the length of each one with a measuring tape to see which is longest

d)

drop each one in a beaker of water to see which raises the water level to the highest level

48.

Which of the following properties of solids, liquids, and gases IS measurable?

a)

color

b)

texture

c)

volume

d)

taste

49.

Which of the following properties of solids, liquids, and gases is NOT measurable?

a)

magnetic attraction

b)

volume

c)

temperature

d)

mass

50.

Which of the following tools would be needed to determine the volume of an irregular-shaped object?

a)

a meter stick

b)

a graduated cylinder

c)

a scale

d)

a thermometer

51.

The two objects shown are the same size. However, one object is made of wood, and the other object is made of plastic. Which of the following properties of the objects will be the same?

a)

mass

b)

texture

c)

volume

d)

weight

52.
George's science teacher has a mixture of table salt and iron filings.
Which of the following would be the best way to separate the salt and the iron filings?
a)
A.  use a magnet to pull the iron filings from the salt
b)
add food coloring to the mixture to make the salt change color
c)
pour them into a beaker of water and see if the iron filings float
d)
heat up the mixture to see if the salt or the iron filings will burn away
53.
Imagine you have a bucket of saltwater.
Which of the following would be the best way to remove the water so that you're left with only salt?
a)
Stir the saltwater for a long time. The salt will form a crystal.
b)
Leave the saltwater to sit for a long time. The salt will settle to the bottom
c)
Boil the saltwater. The water will evaporate and only the salt will remain
d)
Freeze the saltwater. The water will sink to the bottom and the salt will rise to the top
54.
Which of the following solids will not dissolve in boiling water?
a)
baking soda
b)
sand
c)
sugar
d)
table salt
55.

Which of the following describes an example of a material undergoing a chemical change to become another material with different characteristics?

a)

Iron turns to rust when it is exposed to oxygen.

b)

When water boils, it turns into vapor, which is a gas.

c)

Oxygen can become liquid at a very low temperature.

d)

Gold can be spread out very thin to cover a large area.

56.

Which answer describes a way that a liquid can be turned into a gas?

a)

Apply enough heat to cause evaporation.

b)

Apply freezing temperatures to cause condensation.

c)

Lower the temperature of the container to allow vaporization.

d)

Maintain a constant temperature over a long enough time to cause freezing.

57.

Sameh put a mixture of yeast, water, and sugar into a balloon. The picture shows his balloon when he started and what it looked like 1 hour later.


What kind of change did he observe?

a)

physical change

b)

chemical change

c)

scientific change

d)

geological change

58.

When an egg is cracked and put in a hot pan, it flows easily. After it cooks for a minute, the egg becomes solid.


Why does the egg change?

a)

Breaking the shell is a physical change in the egg that makes it solid.

b)

Breaking the shell is a chemical change that makes the egg become solid.

c)

Heating the egg on the stove causes the egg to evaporate and become solid.

d)

Adding heat causes a chemical change in the molecules of the egg that makes it solid.

59.
During a storm, the power goes out at Randall's house. His mother strikes a match to light a candle. As the match burns, it gives off light energy.
What other form of energy does the burning match give off?
a)
chemical
b)
electrical
c)
mechanical
d)
thermal
60.
Solar power is a technology that relies on a renewable energy resource. Solar power changes energy from the Sun into a form of energy that can be used to heat our homes and run household appliances.  
What form of energy must solar energy be changed into in order to run household appliances?  
a)
chemical
b)
electrical
c)
light
d)
thermal
61.
Fireworks are popular during celebrations. They light up the night sky and sometimes shake the ground with their explosions. The explosion noises are an example of what type of energy?
a)
electrical energy
b)
light energy
c)
mechanical energy
d)
sound energy
62.
Bobbie is playing with his radio"controlled car by using a handheld remote box.
What type of energy is being used to power Bobbie's car?
a)
chemical energy
b)
electrical energy
c)
heat energy
d)
mechanical energy
63.
If energy cannot be created or destroyed, what does it do?
a)

get stronger over time

b)
always stays in the same form
c)

changes from one form to another

d)
gets weaker over time
64.
What type of energy does moving water have?
a)

wind energy

b)
hydropower
c)

mechanical energy

d)
solar energy
65.
How does light travel?
a)

zigzag line

b)

straight line

c)
crooked line
d)
without sound
66.
What does a light do that reflects?
a)
bends
b)
absorbs
c)
disappears
d)

bounces back

67.
What does a light do that absorbs?
a)

bounces back

b)
bends
c)

in taken in

d)
changes color
68.
What does a light do that refracts?
a)

looks like it bounces back

b)

looks like it bends

c)

looks like it goes into objects

d)

looks like it stops

69.
Where might a light be absorbed?
a)

on water

b)
on a mirror
c)

on black object

d)
in space
70.
What makes a high pitch sound?
a)

long vibrations

b)
slow vibrations
c)

fast vibrations

d)
short vibrations
71.
If you want to pluck a rubber band to get a high pitch, what should you do?
a)
stretch the rubber band tightly
b)
let rubber band hang loosely
c)
get a long rubber band
d)
get a red rubber band
72.
What is another name for heat energy?
a)

sound

b)
solar
c)

thermal

d)
light
73.
Heat flows in which direction?
a)
from solid objects to liquids
b)
from larger objects to smaller objects
c)
from warmer objects to cooler objects
d)
from more dense objects to less dense objects
74.
Which of the following materials would be a poor conductor of electricity?
a)
aluminium
b)
copper
c)
rubber
d)
steel
75.
Fireworks convert chemical energy into which of the following kinds of energy?
a)
solar energy and sound energy
b)
thermal energy and light energy
c)
electrical energy and light energy
d)
nuclear energy and kinetic energy
76.
When Derrick plugs in his bedroom lamp he notices that the wire is covered with plastic. Why does the wire have a plastic covering?
a)
The plastic converts the electricity to thermal energy
b)
The plastic helps conduct the electricity to light the lamp
c)
The plastic is an insulator to protect people from the electricity
d)
The plastic is used to protect the copper wire underneath, which is very expensive
77.
When a radio is turned on, what energy transformation occurs?
a)
Heat energy is changed to light energy
b)
Kinetic energy is changed to sound energy
c)
Electrical energy is changed to sound energy
d)
Chemical energy is changed to mechanical energy
78.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
79.
Which of these best completes the circuit?
a)
rubber band
b)
metal nail
c)
leather shoelace
d)
wooden toothpick
80.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
81.
A material in which electrons are not able to move easily 
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
82.

Is this circuit a closed or open circuit?

a)

Closed Circuit

b)

Open Circuit

83.

Shari is using two toy cars to experiment with force and motion. The cars have different masses. Car A has a mass of 100 grams. Car B has a mass of 300 grams. Shari pushes each car forward using the same amount of force. Which car will travel farther?

a)

Car A will travel farther.

b)

Car B will travel farther.

c)

The cars will travel at the same distance.

d)

It is not possible to predict which car will travel farther.

84.

Sam was riding his bike up a hill. His pedaling caused the bike to move. What type of force did Sam apply to the pedals to make his bike move?

a)

friction

b)

gravity

c)

pull

d)

push

85.

As part of a science project, Samuel slides several different objects down a ramp. The objects Samuel uses are a magnet, a marble, a wooden block, and a metal car. Which two forces are acting on all the objects as they slide down the ramp?

a)

Gravity moves the objects, and friction slows them down.

b)

Friction moves the objects, and gravity slows them down.

c)

Magnetism moves the objects, and gravity slows them down.

d)

Gravity moves the objects, and a pulling force slows them down.

86.

Mr. Brown gave Jen's lab group a ramp and a toy car. He placed large sheets of waxed paper, plastic wrap, glass, and artificial grass on a table. The group was asked to cover its ramp with the material they thought would slow down the car the most. Which material should they use?

a)

artificial grass

b)

glass

c)

plastic wrap

d)

waxed paper

87.

Mr. Gates mops the gymnasium floor every day. When he finishes mopping, he puts up the sign below. The effect of which force is weakened when the floor is wet?

a)

friction

b)

gravitation

c)

inertia

d)

magnetism

88.

Bar magnets have a north pole (N) and a south pole (S). Latisha places a bar magnet on three small straws so that it can roll. Her setup is shown below. Placing which of the following objects at point X will cause the bar magnet to move away from point X?

a)

An iron nail

b)

an aluminum can

c)

the north end of another bar magnet

d)

the south end of another bar magnet

89.

In order to win a game of tug-of-war, what must happen?

a)

The teams must pull with increasing force.

b)

Both teams must pull with a force equal to the other.

c)

One team must pull with a greater force than the other.

d)

Both teams must pull with decreasing force.

90.
Magnets have a negative and positive pole. What happens if you try to touch the positive ends of two magnets together?
a)
The positive poles will repel each other
b)
The positive poles will be attracted to each other
c)
The positive poles will neither attract nor repel each other
d)
The positive poles will create gravity and attract other objects
91.
Which of the following best explains why a person standing on the Moon can jump higher than a person standing on Earth?
a)
There is no gravity on the Moon
b)
Everything has less mass on the Moon
c)
Earth's gravity is very weak on the Moon
d)
The Moon's gravitational pull is less than Earth's
92.

Why does a book on a table not move?

a)

No forces are acting on the book

b)

Forces of the table pushing up and gravity pulling down are balanced

c)

Gravity is the only force acting on the book

93.

Are forces balanced or unbalanced when a marble rolls down a ramp?

a)

Balanced

b)

Unbalanced

94.

What is the function of the heart?

a)

to grind up food for the body

b)

to pump blood throughout the body

c)

to control blood sugar through the release of chemicals

d)

to control muscle groups through the release of chemicals

95.

Which organ filters the blood in the body?

a)

heart

b)

liver

c)

skin

d)

stomach

96.

Which of these is NOT a function of the skin?

a)

to protect the body against outside invaders

b)

to keep the body at a constant temperature

c)

to release chemicals that control blood sugar

d)

to allow the body to feel when something is touching it

97.

The small intestine is located under the stomach and is where the human body digests most substances. Which human organ provides digestive enzymes to the small intestine?

a)

bladder

b)

kidneys

c)

liver

d)

pancreas

98.

Jenny plays on a soccer team. She uses the muscles in her legs to kick the soccer ball into the goal. What job do her muscles do?

a)

Her muscles make energy for her legs.

b)

Her muscles carry blood to her legs.

c)

Her muscles move the bones in her legs.

d)

Her muscles store minerals in her legs.

99.

What is the function of the lungs?

a)

to circulate blood to the body

b)

to break down food in the body

c)

to provide nutrients for the body

d)

to provide gas exchange for the body

100.

In the human body, which of the following organs connects to the sensory organs through nerves, allowing an individual to utilize their senses?

a)

brain

b)

heart

c)

lungs

d)

muscles

101.

Which organ stores urine until the body is ready to release it?

a)

kidneys

b)

bladder

c)

small intestines

d)

large intestines

102.

Which organ takes in oxygen and releases carbon dioxide?

a)

stomach

b)

heart

c)

lungs

d)

bladder

103.

Which system provides support for the body?

a)

muscles

b)

skin

c)

skeleton

d)

brain

104.

Which organ digests and absorbs nutrients from food?

a)

small intestines

b)

large intestines

c)

stomach

d)

pancreas

105.

Which organ absorbs water at the end of digestion?

a)

small intestines

b)

large intestines

c)

pancreas

d)

liver

106.
Which organ in the fish is most similar to the human respiratory system? 
a)
the fins
b)
the gills
c)
the skin
d)
the swim bladder
107.
Plants have stems that function to provide support. This organ in plants is most similar to which of the following in humans? 
a)
the heart
b)
the intestines
c)
the skeleton
d)
the skin
108.
Breaks down food into nutrients.
a)
Brain
b)
Skin
c)
Stomach
d)
Skeleton
109.
Structures within the eyes, ears, nose, mouth and skin. Allows your body to experience the 5 senses (see, hear, smell, taste, and touch).
a)
Sensory Organs
b)
Kidneys
c)
Stomach
d)
Skin
110.

The scales of fish and the feathers of birds are both made from the same protein, called keratin. What is another characteristic birds and most fish share?

a)

Both are animals that lay eggs.

b)

Both are animals that have teeth.

c)

Both are animals that have cold blood

d)

Both are animals that care for their young

111.

Moths and Praying Mantises both go through stages of metamorphosis. Which stage are both the moth and mantis able to reproduce?

a)

egg

b)

larva

c)

nymph

d)

adult

112.

Frogs go through a form of metamorphosis similar to butterflies. What stage do frogs and butterflies both start their life cycles?

a)

egg

b)

larva

c)

tadpole

d)

adult

113.

Which stage is missing from this butterfly's life cycle?

a)

egg

b)

larva

c)

pupa

d)

adult