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Worksheets

Last Review

Total questions: 79

Worksheet time: 1hrs 29mins

Name
Class
Date
1.
In which of these do particles move slowest?
a)
matter
b)
gas
c)
liquid
d)
solid
2.
Something that takes up space and has mass.
a)
volume
b)
matter
c)
mass
d)
density
3.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
4.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical
5.
Are fireworks exploding a physical or chemical change?
a)
phyiscal 
b)
chemical
6.

Match the following

a)

Balanced forces

1.

Equal and opposite forces - no acceleration happens

b)

Imbalanced forces

2.

Force in one direction - acceleration happens

c)

Inertia

3.

Resistance to changing state of movement

d)

Acceleration

4.

To increase the rate of speed

e)

Deceleration

5.

To decrease the rate of speed

7.

Match the following

a)

Kinetic energy

1.

Energy of motion

b)

Thermal energy

2.

Energy from heat/temperature

c)

Chemical energy

3.

Energy from chemical reactions

d)

Potential energy

4.

Held energy waiting to transfer to something else

8.

this form has definite shape and definite volume

a)

gas

b)

liquid

c)

solid

d)

volume

9.

this form has no definite shape and no definite volume

a)

solid

b)

liquid

c)

gas

d)

matter

10.

What method would be best to use to separate iron filings and sand?

a)

use a filter

b)

use a magnet

c)

paper chromatography

d)

pick out the sand

11.

Sara has a mixture of chocolate powder, sand, table salt, and sugar. She adds water. Which of these can be separated from the mixture after she adds the water?

a)

table salt

b)

chocolate powder

c)

sugar

d)

sand

12.

positively charged particle

a)

Proton

b)

Electron

c)

Neutron

13.

The part of the atom with no charge

a)

Proton

b)

Neutron

c)

Electron

14.

negatively charged particle

a)

Proton

b)

Neutron

c)

Electron

15.

A material that does not allow heat or electrons to move through it easily.

a)

Insulator

b)

Conductor

c)

Metal

d)

Wire

16.

A material that allows heat and electricity to pass through it.

a)

insulator

b)

conductor

c)

wood

d)

glass

17.

Ethan put marshmallows, peanuts, pretzels, and cereal together in a Ziploc bag for snack. Which of these BEST describes what he was doing?

a)

making a mixture

b)

measuring a liquid

c)

changing states of matter

d)

separating a mixture

18.
Mrs. Smith put 3 cups of water in a pot on the stove and turned it on to "high." She let the water boil for a few minutes, and then took it off of the stove to cool. Once the water had cooled, she measured it again, and found that there was only 2 3/4 cups left. What happened to the water?
a)
Mrs. Smith spilled the water on the floor.
b)
The water vaporized into steam and left the pot.
c)
The water transformed into carbon dioxide gas and floated away.
d)
The water froze onto the bottom of the pan.
19.
Which of the following is an example of a chemical change?
a)
Ice melting.
b)
Steam leaving a hot tub.
c)
A nail rusting.
d)
Water freezing into ice.
20.
Combining baking soda and vinegar to create carbon dioxide is an example of a ...
a)
Physical change
b)
Chemical change
21.
The smallest unit of matter is:
a)
atom
b)
molecule
c)
gram
d)
mass
22.

Students list ways people at their school can reduce landfill waste.

Ways to Reduce Landfill Waste at Our School

>serve lunches on reusable plates

>turn in some homework using email

>copy worksheets on both sides of paper

>replace paper towels with hand dryers


Which other idea would most likely be included on this list?

a)

remove trash cans from hallways

b)

turn off lights when leaving a room

c)

replace old textbooks with newer ones

d)

add recycle bins for paper in classrooms

23.

From November to February, the constellation Orion is clearly visible in the night sky from Mississippi. Orion appears to rise from the east and set in the west. The stars do not actually move through the sky. They appear to change positions due to the Earth's Movement.


What factor is responsible for the changes in Orion's position when viewed during the winter month?

a)

the rotation of the Sun

b)

the rotation of Earth on its axis

c)

the revolution of the Sun around the Earth

d)

the revolution of the moon around the Sun

24.

A student needs to separate a mixture compsed of iron fillings and sand. How can the student most easily separate all the iron fillings from the mixture?

a)

Use a magnet to attract the iron filings

b)

Use filter paper to isolate the iron filings

c)

Add water to the mixture and pour off the floating iron filings.

d)

Add water to the mixture and allow it to evaporate and leave behind the iron filings

25.

Two words that correctly identify properties of these planets

Uranus -Neptune- Saturn- Jupiter

a)

rocky

b)

gaseous

c)

large

d)

small

26.

Which statement identifies the most likely outcome if the rabbit population suddenly reduced?

a)

Owls would become extinct because they have no food

b)

Hawks would have less food available so their population would decrease

c)

Grasshoppers would have less food available so their population would decrease

d)

Grasses in the area would die and all of the animals would have to move to another area to survive

27.

The diagram shows what happens when wood is burned

Burning Wood

wood + oxygen = ashes+carbon dioxide gas + water

(starting) ------------------------------ (ending)

Which statement best explains the change that occurs when wood is burned?

a)

This is physical change because the products can be changed back into wood

b)

This is physical change because the products are different from the starting materials

c)

This is chemical change because the products can be changed back into wood

d)

This is chemical change because the products are different from the starting materials

28.

Which is the correct order of the food chain of the channel catfish?

a)

A,B,C,D

b)

B,C,D,A

c)

C,D,A,B

d)

D,B,A,C

29.

Which process would be the best way to increase the concentration in a solution of sugar and water?

a)

Decrease the amount of sugar, and increase the amount of water

b)

Increase the amount of sugar, and keep the amount of water constant

c)

Decrease the amount of sugar, and decrease the amount of water

d)

Increase the amount of water, and keep the amount of sugar content

30.

Letter X is showing (a)   energy.

Potential or Kinetic?

31.

Margaret is studying how the height of a ramp changes the length of time it takes a toy car to roll down the ramp. In her experiment, she uses ramps that are the same length and three identical toy cars. What should Margaret's hypothesis be for this experiment?

The taller the ramp, the (a)   the car.

32.

This property describes how close the molecules of an object are to one another. Are they squeezed together or spread apart?


The way we test this property is by seeing if an object floats or sinks.

a)

mass

b)

density

c)

volume

d)

solubility

33.

What is the original source of almost all the energy in most ecosystems?

a)

carbohydrates

b)

sunlight

c)

water

d)

carbon dioxide

34.

The algae at the beginning of the food chain are ___ .

a)

consumers

b)

decomposers

c)

producers

d)

heterotrophs

35.

Aquatic ecosystems are ____ ecosystems.

a)

land-based

b)

space-based

c)

water-based

36.

What organism feeds only on plants?

a)

carnivore

b)

herbivore

c)

omnivore

d)

detritvore

37.

What breaks down dead plants and animals?

a)

decomposer

b)

consumer

c)

predator

d)

producer

38.

In an ecosystem, birds depend on insects to survive. If pesticides are spread to control the insect population, the bird population will most likely ___ .

a)

increase

b)

decrease

c)

decrease, then increase

d)

increase, then decrease

39.

A food chain begins when ___ .

a)

an animal eats another animal

b)

an animal eats a green plant

c)

a plant eats an insect

d)

an animal eats the remains of a dead tree

40.

More dense...

a)

floats

b)

sinks

41.

Less dense...

a)

floats

b)

sinks

42.
Inner planets are mostly made of
a)
Gas
b)
Hydrogen
c)
Rock
d)
Rings
43.

A student helped his father prepare soup for dinner. His father asked him to use a wooden spoon to stir the soup as it heated.

Why would the student's father ask him to use a wooden spoon?

a)

The wooden spoon is able to float in the soup

b)

the wooden spoon is able to sink in the soup

c)

the wooden spoon is a good conductor of thermal energy

d)

The wooden spoon is a good insulator of thermal energy

44.

In the food chain above, the role of the grasshopper can best be described as--

a)

a consumer that eats producers

b)

a herbivore that produces its own energy

c)

a producer that provides energy for the mouse

d)

an omnivore that eats grasses and small animals

45.

Click all the producers

a)

tulip

b)

rose

c)

pine tree

d)

brown bear

e)

ants

46.
What is it called when a plant makes its own food? 
a)
producing
b)
photosynthesis
c)
herbivore 
d)
photoproducing
47.
What does a plant need to make its own food?
a)
sunlight, water, carbon dioxide
b)
sunlight, water, soil
c)
sunlight, water, oxygen
d)
sunlight, oxygen, carbon dioxide
48.
What do all food chains and food webs start with?
a)
primary consumers
b)
producers
c)
secondary consumers
d)
tertiary consumers
49.

Which statement best explains why the sun appears to move across the sky during the day?

a)

F The Earth is closest to the sun in the winter.

b)

G The Earth is revolving around the sun.

c)

H The Earth is tilted at 23.5 degrees.

d)

J The Earth is rotating on its axis

50.

A student pours 14 grams of sugar into a jar filled with 500 milliliters of water. The student thoroughly stirs the sugar and water to make a solution. Which change most likely occurs to the sugar when it is added to the water?

a)

F The sugar breaks down to form a new substance in the solution.

b)

G The sugar changes water into a new substance in the solution.

c)

H The sugar floats on the surface of the water in the solution.

d)

J The sugar completely dissolves in the solution.

51.

A student needs to separate a mixture compsed of iron fillings and sand. How can the student most easily separate all the iron fillings from the mixture?

a)

Use a magnet to attract the iron filings

b)

Use filter paper to isolate the iron filings

c)

Add water to the mixture and pour off the floating iron filings.

d)

Add water to the mixture and allow it to evaporate and leave behind the iron filings

52.

Which food chain is in the correct order?

a)

grasshopper → grass → snake → frog → hawk

b)

grasshopper → frog → hawk → snake → grass

c)

grass → grasshopper → frog → snake → hawk

d)

grass → grasshopper → snake → frog → hawk

53.

What prevents plant growth beneath the trees in thick forests?

a)

The trees limit the amount of sunlight that is able to reach the ground.

b)

The roots of the trees make it difficult for plants to grow.

c)

Little water reaches the ground under the trees.

d)

The temperature of the soil under the trees does not allow plants to grow.

54.

This graph shows the motion of an animal.

When does the animal remain still?

a)

between second 1 and second 2

b)

between second 2 and second 3

c)

between second 3 and second 4

d)

between second 4 and second 5

55.

This diagram shows a ramp with a toy car at the bottom. A string is attached to the front of the car and the string goes over a pulley at the top of the ramp. A weight is attached to the other end of the string. What would be most responsible for the toy car being pulled up the ramp?

a)

friction

b)

gravity

c)

kinetic energy

d)

momentum

56.

What increases as a rock falls to the ground?

a)

the density of the rock

b)

the pull of gravity on the rock

c)

the inertia of the rock

d)

the momentum of the rock

57.

What determines the seasons on Earth?

a)

The way the hemispheres are split

b)

Earth's tilt

c)

Earth's rotation

d)

Earth's axis

58.

How long does it take the Earth to make on complete revolution around the Sun?

a)

About 365 days

b)

About 24 hours

c)

About 27 days

d)

About 10 months

59.

Which hemisphere is tilted toward the sun in June?

a)

Eastern

b)

Northern

c)

Western

d)

Southern

60.

The model shows Earth is several positions relative to the sun. In which position is it winter in North America?

a)

Position 1, because North America receives the most sun.

b)

Position 2, because North America is tilted toward the sun.

c)

Position 3, because North America is parallel to the sun.

d)

Position 4, because North America is tilted away from the sun.

61.

How do scientists group the planets?

a)

inner - gas giants, outer - terrestrial

b)

inner - terrestrial, outer - gas giants

62.

Why is Mars called the red planet?

a)

Mars is red

b)

someone painted it red

c)

the rocks contain iron oxide or rust

63.

Reorder the following IN ORDER OF CLOSEST TO THE SUN

a)

MERCURY

b)

VENUS

c)

EARTH

d)

MARS

1)
2)
3)
4)
64.

Reorder the following IN ORDER OF CLOSEST TO THE SUN

a)

JUPITER

b)

SATURN

c)

URANUS

d)

NEPTUNE

1)
2)
3)
4)
65.
The moon is a natural  ______ of Earth.
a)
comet
b)
axis
c)
satellite
d)
space probe
66.
Why does Earth have different seasons? 
a)
because of the distance between Earth and the sun 
b)
because of the speed of Earth as it rotates on its axis 
c)
because of the amount of light blocked by the moon on its axis 
d)
because of the tilt of Earth on its axis as it moves around the sun 
67.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
68.

The hottest planet in our Solar System is..

a)

Uranus

b)

Venus

c)

Mars

d)

Earth

69.

Which is the biggest planet?

a)

Venus

b)

Jupiter

c)

Neptune

d)

Mercury

70.

The moon revolves around the Earth every _____ days.

a)

30 days

b)

29 days

c)

28 days

d)

32 days

71.
If Earth's rate of rotation increases, the length of one Earth day will be
a)
shorter than 24 hours
b)
longers than 24 hours
c)
24 hours, with a shorter nighttime period
d)
24 hours, with a longer nighttime period
72.

What type of eclipse is this an example of?

a)

Lunar Eclipse

b)

Solar Eclipse

73.

Which of these describes how a lunar eclipse happens?

a)

The Sun comes between the Moon and the Earth.

b)

The Earth comes between the Moon and the Sun.

c)

The Moon comes between the Earth and the Sun.

74.

Which type of eclipse has a New Moon?

a)

solar eclipse

b)

lunar eclipse

75.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
76.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
77.

What is the net force?


(a)  
Choose from the below words
5 N left
30 N left
25 N right
55 N right
78.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
79.

Which of the following would cause an increase in friction on our Hot Wheels ramp?

a)

add cooking oil to the ramp

b)

add sandpaper to the ramp