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5th Science DCA 1 Review

Total questions: 79

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
a characteristic that can be measured or observed without changing the substance? 
a)
physical property
b)
mixture
c)
solution
d)
conductor
2.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
3.
What is mass?
a)
The amount of matter in an object. 
b)
The amount of volume in an object
c)
The amount of space an object takes up
d)
The temperature of an object
4.
If an object sinks to the bottom of a liquid then:
a)
the object is less dense than the liquid
b)
the object is not dense at all
c)
the object is more dense than the liquid
d)
the liquid is water.
5.

A pile of objects are mixed together. Some of the items are magnetic, others are not. What is the best way to separate them?

a)

Throw them in a pool and see if they sink or float in water.

b)

Hold a magnet above each item and see if they move toward the magnet.

c)

Weigh each item to see the mass of each item.

d)

Put items close to each other to see if they stick together.

6.

What would be attracted to a magnet?

a)
b)
c)
d)
7.
a)

Items 1 and 3 are floating

b)

Items 2 and 4 are sinking

c)

Items 2 and 3 are floating

d)

Items 3 and 4 are sinking

8.

If you mix sugar into water, the sugar will ___________.

a)

Melt

b)

Dissolve

c)

Not Dissolve

d)

Evaporate

9.

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.

10.
The ability of a metal to allow heat or electricity to pass through it.
a)
conductivity
b)
insulator
c)
mass
d)
density
11.
What is the BEST example of a conductor? 
a)
A wooden block
b)
A ceramic mug
c)
A glass cup
d)
A metal bowl
12.
Which of the following is NOT an insulator?
a)
Wool
b)
Plastic
c)
Copper
d)
Styrofoam
13.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
14.
What is an insulator?
a)
A coat
b)
Something that. doesn't allow heat to pass through it
c)
Something to stop music
d)
Something that allows heat to pass through
15.

What item could a magnet separate from a mixture of garbage?

a)

Old metal fork

b)

An apple core

c)

Pieces of paper

d)

A juice can

16.

What mixture could you use this tool to best separate that mixture?

a)

Sugar and Salt

b)

Sand and rocks

c)

Apples and grapes

17.

The mixture shown here -

a)

Maintains its physical properties when combined

b)

Dissolves after being stirred together

c)

Will evaporate after a certain period of time

d)

Cannot be separated into ingredients

18.

If you spilled nails in a sandbox, what separation tool/method could you use to clean out the sandbox so it would be safe for children to play in?

a)

Filter

b)

Screen

c)

Magnet

d)

Evaporation

19.

What tool is this?

a)

sieve

b)

filter

20.

If I have a mixture of wooden blocks and metal blocks. What is a fast way to separate them?

a)

relative density (put them in water)

b)

filter

c)

sieve

21.

When an item sinks it has

a)

high relative density

b)

low relative density

c)

short density

d)

tall density

22.

When an item floats it has

a)

short density

b)

high density

c)

tall density

d)

low density

23.
One or more substances dissolve in another and cannot be easily separated.
a)
mixture
b)
solution
c)
dissolve
d)
solute
24.
To break down into tiny pieces to small to be seen.
a)
solute
b)
solvent
c)
dissolve
d)
solution
25.
characteristics that can be used to classify matter
a)
mixture
b)
solution
c)
solute
d)
physical property
26.
process where a gas turns back into a liquid
a)
melting
b)
freezing
c)
evaporation
d)
condensation
27.
__________ is the ability of an object to float or sink in water
a)
Solubility
b)
Relative Density
c)
Magnetism
d)
Mass
28.
When we put a substance in water and stir it to see if it dissolves we are testing for_______________________.
a)
Relative Density
b)
Solubility
c)
Mass
d)
Temperature
29.

Which object only requires mechanical energy to perform its main function?

a)
b)
c)
d)
30.

Which TWO forms of energy are most commonly used to cook food in an oven?

a)

light energy

b)

electrical energy

c)

thermal energy

d)

sound energy

31.

On a waterwheel, the water falls and causes the wheel to turn. What form of energy is being used to turn the wheel?

a)

electrical energy

b)

mechanical energy

c)

thermal energy

d)

sound energy

32.

Which object requires only mechanical AND electrical energy to perform its main function?

a)
b)
c)
d)
33.

A form of energy we can see.

a)

heat

b)

electricity

c)

light

d)

sound

34.
This form of energy means heat.
a)
Mechanic
b)
Light
c)
Thermal
d)
Sound
35.

What form of energy does the sun give?

a)

sound and thermal

b)

light and thermal

c)

mechanical and light

d)

thermal and mechanical

36.

What type of energy is being used when riding a bicycle?

a)

mechanical

b)

light

c)

thermal

d)

sound

37.
A push or a pull that can move an object is a __________.
a)
gear
b)
lever
c)
force
d)
machine
38.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
39.
The force resulting from the pull of the earth on an object
a)
mass
b)
gravity
c)
acceleration
d)
unbalance
40.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
41.

Which type of force resists motion?

a)

Friction

b)

Gravity

c)

Pull

d)

Push

42.

What happens in a game of tug-a-war when both teams pull the rope with equal force and in opposite directions?

a)

The rope does not move

b)

Both teams move to the right

c)

Both teams move to the left

d)

Both teams fall down

43.

To drag a sofa over carpet, movers sometimes use slippery pads. Which force is reduced with the use of the pads?

a)

Friction

b)

Gravity

c)

Push

d)

Magnetism

44.

Why does a newly oiled machine work faster than a machine that hasn't been oiled?

a)

Oil reduces the friction between the parts

b)

Oil increases the friction between the parts

c)

Gravity acts more on an old machine

d)

Gravity acts more on a new machine

45.
Which has the least friction?
a)
snowboard on a snowy hill
b)
running on the playground
c)
sandpaper on wood
d)
a racer on a track
46.
Why is there less friction between two ice cubes touching than between sandpaper on wood?
a)
They have rough surfaces.
b)
They have loud surfaces.
c)
They have smooth surfaces.
d)
They have bright surfaces.
47.

Magnetic Metals

a)

Steel

Brass

Copper

b)

Steel

Iron

Nickel

Cobalt

c)

Aluminum

Brass

Copper

d)

Aluminum

Iron

Nickel

Cobalt

48.

NON-Magnetic Metals

a)

Steel

Iron

Nickel

Cobalt

b)

Aluminum

Iron

Steel

c)

Aluminum

Brass

Copper

d)

Aluminum

Brass

Cobalt

49.

Anything that has mass and takes up space

a)

matter

b)

mass

c)

liquid

d)

insulator

50.

Used to observe and describe matter

a)

relative density

b)

magnetism

c)

physical properties

d)

dissolving

51.

A property of attraction for metals

a)

relative density

b)

magnetism

c)

physical properties

d)

dissolving

52.

A material that does not allow energy to flow through it is called a(n)

a)

properties

b)

circuit

c)

conductor

d)

magnet

e)

insulator

53.

A material that allows energy to flow through it easily is called a(n)

a)

properties

b)

circuit

c)

conductor

d)

magnet

e)

insulator

54.

A ______ is a metal that attracts other metals if they contain iron or cobalt.

a)

properties

b)

circuit

c)

conductor

d)

magnet

e)

insulator

55.

Mass, state of matter, ability to attract iron, and insulation are all examples of ___________________ of matter.

a)

properties

b)

circuit

c)

conductor

d)

magnet

e)

insulator

56.

Students collected data on several objects and recorded the data in a T-chart. Which object would replace the question mark to complete the chart?

a)

glass marble

b)

aluminum can

c)

rubber erser

d)

wool sock

57.

Boiling water was placed in containers made of four different materials. Based on the data, which material was the best conductor of heat?

a)

Material 1

b)

Material 2

c)

Material 3

d)

Material 4

58.

Water and oil are poured into the same container. An object is is added. The materials are allowed to sit and their final positions are shown in the illustration. What is the most reasonable conclusion that can be made from this test?

a)

The object has the lowest density

b)

Water is more dense than oil.

c)

The object is more dense than water.

d)

Oil has the highest density

59.

The table shows how the temperature changed over six minutes of water samples kept in four different containers. Which container was made of the best heat insulator?

a)

Container 1

b)

Container 2

c)

Container 3

d)

Container 4

60.

Students placed three spheres in a tank of water. Which of the following can be concluded based on the results?

a)

Sphere 1 is more dense than Sphere 3

b)

Sphere 2 is less dense than Sphere 3.

c)

Sphere 3 is less dense than Sphere 2.

d)

Sphere 2 is less dense than Sphere 1.

61.

Soluble

a)

Substance that dissolves in water

b)

Substance that does not dissolve in water.

c)

If something will sink or float in water.

d)

Oil and water.

62.

Is this salad a mixture or solution?

a)

Solution

b)

Mixture

c)

Solvent

d)

Neither

63.

Is Kool-Aid a mixture or a solution?

a)

Mixture

b)

Solution

64.

How can we remove sand from a sand and water mixture?

a)

Hands

b)

Filter

c)

Magnet

65.

Is oil and water a mixture or a solution?

a)

Mixture

b)

Solution

66.

Is sand and iron filings a mixture or solution?

a)

Mixture

b)

Solution

67.

You have a bucket that contains metal shavings, wood chips, and fruit punch. How would you separate the metal, wood, water, and sugar in the mixture?

Step A: Pour the mixture through a screen to separate the wood chips and metal shavings from the fruit punch.

Step B: Use a magnet to separate the metal shavings from the wood.

Step C: Use a flame to separate the metal shavings from the wood by melting the metal.

Step D: Allow the fruit punch to sit in the sun so that the water evaporates and leaves behind the powder.

a)

A > C > D

b)

A > B > C > D

c)

C > A > D

d)

A > B > D

68.

What happens when oil is placed in water?

a)

some oil sinks below the surface

b)

oil droplets form in the water

c)

the oil and water mix together

d)

the oil floats on top of the water

69.

What are two examples of condensation

a)

water turning into gas

b)

clouds

c)

water droplets

d)

rain

70.

What change of state is condensation

a)

liquid state turning into a gas state

b)

Gas state turning into a liquid state

c)

a liquid state turning into a solid state

d)

a solid state turning into a liquid state

71.

What causes condensation?

a)

water vapor freezes and becomes solid

b)

water vapor heats up and condense

c)

water vapor cools and condense

72.
Water drops seen in the cling foil which is covered on hot food. This is an example of__________.
a)
Evaporation
b)
Condensation
73.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
74.

In which direction will the ball most likely go after it hits the wall?

a)
b)
c)
d)
75.

The box would be easier to move if the surface of the ramp was smoother because there would be less:

a)

mass in the box

b)

friction opposing the box

c)

gravity pulling on the box

d)

distance to push the box

76.

A student rolls a ball on the ground. Which of these causes the ball to slow down and then stop?

a)

the motion of the ball

b)

the speed of the ball

c)

friction from the ground

d)

a magnetic field

77.

Antoina wanted to see how far she could slide a hockey puck 

across different surfaces. She chose to slide the puck across a sidewalk, 

an asphalt road, and the tiled kitchen floor in her house.

Antonia designed this experiment to observe which of the following forces?

a)

gravity

b)

friction

c)

magnetism

d)

electricity

78.

Students conducted an investigation in which they rolled marbles 

across different surfaces to measure the effect of the force of 

friction on each surface. Friction slows down and stops objects.

Which of the surfaces tested showed the greatest amount of friction?

a)

Surface A

b)

Surface B

c)

Surface C

d)

Surface D

79.

A student sets up an experiment using the ramp below to test how

friction would affect how far a car would travel after leaving a ramp.

In order for the student to test the effect of friction on a rolling car, which of the following variables would need to be changed?

a)

the height of the ramp

b)

the color of the car

c)

the mass of the car

d)

the type of surface on which the car rolls

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