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Worksheets6th grade chemistry and physics review
Total questions: 103
Worksheet time: 3hrs 5mins
Particles (molecules) in a ______________________ have more energy than the other states of matter.
Solid
Liquid
Gas
Plasma
Which process could cause a material to change state from gas to liquid?
Adding heat
Adding energy
Removing particles
Removing energy
How can you stop the movement of particles?
Increase the temperature
Decrease the temperature
You can't.
Hold them still with your hands.
Removing energy from particles makes the particles
move faster
move slower
stop moving all together
remain the same
UP and DOWN columns on the periodic table are
groups
periods
SIDE TO SIDE rows on the periodic table are
groups
periods
What Group is Magnesium in?
3
2
4
5
Is Magnesium a Metal, Non-Metal, or Metalloid? (Use your periodic table as a guide)
Metal
Non-Metal
Metaloid
Which box has a higher density?
A
B
They are the same
You are given a mystery object in science class. Your teacher asks you to determine if your object is more or less dense than water. You place the object in the water and it sinks. What statement would best describe this situation?
The mystery substance is denser than water.
Water is denser than the mystery substance.
They both have the same mass.
The mystery substance must be hollow.
Which of the following describes a precipitate?
a new liquid forms when a solid reactant is heated and melts
a new solid product formed from two aqueous reactants
a new gas forms when a solid is dissolved in a liquid
bubbles form when two aqueous reactants are mixed
a new solid forms when an aqueous reactant freezes
All of the following are indicators of a chemical reaction except one. Which one is NOT an indicator that a chemical reaction has taken place?
the production of heat or light
a color change
the production of gas bubbles
the dissolving of one substance in another
an odor change
Four students performed four different investigations by combining different substances. Which of the observations is most indicative of a chemical reaction?
investigation 1
investigation 2
investigation 3
investigation 4
In a container, a solid consisting of clear crystals is combined with a blue liquid and the following observations are obtained.
Of the four observations listed, how many indicate a new substance was formed?
1
2
3
4
An aqueous, cloudy, white baking soda solution was combined with solid, powdery, white calcium chloride. Once combined, the temperature of the test tube increased and bubbling occurred creating an aqueous, cloudy, white solution with a flaky, white solid. What indicators of a chemical change are present?
energy change
Color change
gas bubbling
precipitate formation
Which tools are best for separating a mixtures of sand, iron filings, and water?
Hot plate and filter
Tweezers and filter
Filter and magnet
Magnet and hot plate
Which substances, when mixed together, maintain their original physical properties?
gravel and water
wood chips, water and sand
sand and water
all of the above
All of the following are examples of containers filled with mixtures EXCEPT -
a jar filled with trail mix
a glass filled with lemonade
a bowl of cereal with milk
a cup of fruit salad
A student makes a garden salad by stirring lettuce, tomatoes, carrots, and croutons together in a bowl. Why is the garden salad a mixture?
the student cut the vegetables into equally sized pieces
the vegetables are combined by maintain their physical properties
the croutons cannot be taken out of the salad
the salad grew from a garden
When separating saltwater using a hot plate, what precaution should students use?
unplug the hot plate if water splashes on the cord
follow the teacher's instructions and wear safety goggles
leave the hot plate plugged in after the investigation is complete
follow the teacher's instructions to record results in a notebook
Which mixture can be separated using a filter?
sand and iron filings
saltwater
sand and water
none of the above
A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp?
pour the juice through a coffee filter
heat the juice in a pot until boiling
pour the juice in another cup
allow the mixture to settle, leaving the pulp at the bottom of the glass
Which of the following mixtures can be separated with a magnet?
sand and salt
sand and iron filings
sugar and water
saltwater
All of these can be separated easily EXCEPT -
nuts, bolts, and screws
powdered drink mix, sugar and water
sand and water
iron filings and sand
A mixture of iron filings and chalk dust is placed on a plate. Which of the following could be done to gather the iron filings?
Pour the mixture into a funnel
Put the mixture in a pot on the stove
Run a magnet over the mixture
Filter the mixture through a strainer
A student creates this model using a rope between two students to show energy moving through a
system:
Student A moves the rope while Student B holds their end steady.
Which statement best explains how this model shows energy transfer?
The energy causes each part of the rope to move up and down as it travels from Student A to
Student B
The energy makes the rope move sideways toward Student B.
The energy stays only where Student A moves the rope.
The energy makes the rope stretch longer.
Which diagram shows a longitudinal wave?
Top diagram because the coils move back and forth in the same direction as the wave
Bottom diagram, because the coils move back and forth in the same direction as the wave
Bottom diagram, because the coils move up and down perpendicular to the wave direction
A student flicks a line of dominoes as shown in the diagram:
Which type of wave is this model demonstrating?
A longitudinal wave because the dominoes move up and down as they fall.
A transverse wave because the energy moves forward as dominoes push in the same direction.
A longitudinal wave because the energy moves forward as dominoes push in the same direction.
A transverse wave is caused by the dominoes moving up and down as they fall.
A student observes a small cube floating on water to show how energy moves through the system:
Select TWO statements that correctly explain how this model shows energy transfer.
The energy only works when the cube moves up.
The cube moves up and down as energy passes through the water.
The energy moves through the water while making the cube move up and down.
The cube stays in one spot on the water.
A student creates a model using a slinky. Points a, b, and c are marked along the slinky as shown:
How will point b move when energy passes through this point in the system?
Forward along the slinky
In circles
Up and down while energy moves through
Remain still
What causes waves to be produced?
Gravity
Vibrations
Heat
Light
What do waves carry?
Molecules
Energy
Matter
Water
Which diagram best represents the motion of a particle in a transverse wave?
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
In art class, you're learning about pottery. A pottery wheel is a machine that spins a flat disc, helping artists shape clay into round objects life vases or bowls.
Which force diagram accurately represents the forces at play?
A
B
C
D
During a history lesson about ancient naval battles, Alex learns about triremes (ancient warships). The diagram shows a trireme on water with four labeled arrows representing forces.
Based on the force diagram and table,
which force is NOT matching correctly?
1
2
3
4
Maria is participating in a science experiment about forces. She sits perfectly still on a sturdy wooden chair in the classroom. Maria's weight is 500 N. The experiment requires her to remain motionless while her classmates observe and analyze the forces acting on her.
Are the forces on Maria balanced or unbalanced? What is the net force on Maria?
Balanced;
Net force is 0 N.
Unbalanced;
Net force is 500 N upward.
Unbalanced;
Net force is 500 N downward.
Balanced;
Net force is 1000 N.
A ball weighing 5 N is thrown straight up into the air. The diagram shows the ball at three positions.
Which of the following best explains the state of
forces at positions A, B, and C?
Forces are balanced
at A, unbalanced at B, and C.
Forces are unbalanced at A and B
and balanced at C.
Forces are balanced
at A and C,
and unbalanced at B.
Forces are unbalanced at all positions
A, B, and C.
A hot air balloon is in the air.
The forces acting on the balloon are shown in the table.
What is the total net force on the balloon,
and in which direction does it act?
200 N downward
200 N upward
9800 N upward
9800 N downward
A wagon is pushed and begins to move. As the wagon moves, it slows and comes to a stop. The wagon and the direction it is pushed are shown.
What force causes the wagon to stop?
The force of gravity which is acting in the same direction as the arrow
The force of friction which is acting in the same direction as the arrow
The force of gravity which is acting in the opposite direction of the arrow
The force of friction which acting in the opposite direction of the arrow
Is this force balanced or unbalanced?
Balanced
Unbalanced
Is this force balanced or unbalanced?
Balanced
Unbalanced
Force that resists motion between two surfaces.
gravitational
normal
applied
friction
What type of force is shown in the picture?
Unbalanced Force
Balanced Force
What type of force is shown in the picture?
Unbalanced Force
Balanced Force
What is the net force in this picture?
50 Newtons to the right
950 Newtons to the right
950 Newtons to the left
50 Newtons to the left
What is the net force?
20 N
0 N
400 N
40 N
Calculate the Net Force.
60N, Left
40N, Right
0N
60N, Right
What is the net force?
400 N Up
400 N Down
- 400 N Down
800 N Down
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?
For every action there is an equal and opposite reaction.
Every mass exerts a force on every other mass.
An object at rest tends to stay at rest.
Friction opposes the motion of an object.
When a small car pushes a big truck, the truck applies an equal and opposite force on the car.
False
True
Energy stored in a flexed or compressed object
gravitational potential energy
mechanical energy
kinetic energy
elastic potential energy
Potential energy due to gravity
gravitational potential energy
mechanical energy
kinetic energy
elastic potential energy
At what position does the rock have the greatest kinetic energy?
A
B
D
E
Which letter shows where kinetic energy is stored or at its maximum point?
Y
W
X
Z
Click to look at the picture.
The picture is an example of _____ .
gravity
potential energy
kinetic energy
friction
On a roller coaster, where is maximum potential energy?
At the bottom of a big hill
When going around a corner
When going upside down
At the top of a big hill
According to the diagram, where does the plant get the energy that powers photosynthesis?
From chlorophyll
From sunlight
From carbon dioxide
From water
If one part of the circuit is broken what will happen?
The electricity will continue to flow
The electricity will stop flowing
The electricity will move faster
The electricity will move slower
What type of wave is pictured?
Transverse wave
Longitudinal wave
Wave, what wave?
Slinky wave
How would you describe the movement of a transverse wave?
Up and down
Back and forth
In zigzags
Linear
Arrows are often used to show the strength and direction of forces. Which of the following pairs of arrows shows equal and opposite forces?
A
B
C
D
This image illustrates Newton's third law. Why are the two arrows going in different directions?
Because the forces are pushing
Because the forces are opposite
Because the forces are pulling
Because it looks nicer that way
This image illustrates Newton's third law. Why are the two arrows the same length?
Because the forces are EQUAL
Because the forces are weak
Because the forces are strong
Because it looks nicer that way
When a baseball bat hits a baseball, how does the force of the baseball hitting the bat compare to the force of the bat hitting the baseball?
The bat hitting the ball is a greater force than the ball hitting the bat
The bat hitting the ball is a weaker force than the ball hitting the bat
The bat hitting the ball is equal to the force of the ball hitting the bat
The bat hitting the ball is the only force in this situation
When a baseball player catches a ball, the ball pushes towards the glove; this is the action force. What is the reaction force?
The reaction force is the glove pushing back on the ball with a stronger force.
The reaction force is the glove pulling back on the ball with an equal force.
The reaction force is the glove pushing back on the ball with an equal force.
The reaction force is the ball pushing away from the glove with an equal force.
When an action force occurs, there is always a reaction force. Which of the following TWO terms describe the reaction force?
stronger
downward
opposite
weaker
equal
An object moves when unbalanced forces act on the object.
True
False
What force is acting from the surface of the desk onto the laptop resting on the surface?
magnetic
electric
normal
What force is acting from the surface of the desk onto the laptop resting on the surface?
magnetic
electric
normal
How does friction affect speed?
more friction decreases speed
more friction increases speed
less friction decreases speed
Find the net force: 15 N to the right, and another 15 newtons to the right.
0 N Right
0 N Left
30 N Left
30 N Right
Which one is balanced?
top
bottom
both
If a person is picking up a book with the force of 50 N and the gravity is pushing down with 15 N, what is the net force?
50 N
35 N
65 N
15 N
Is the Net Force balanced or Unbalanced?
Balanced
Unbalanced
How do you find the net force of this image.
Add up all the arrows
Add a green arrow and the orange arrow.
Subtract all the arrows.
Add the green arrows and subtract the orange arrow.
What is another term for a normal force?
abnormal force
reaction force
applied force
gravity
If an object is in free fall, what forces are acting on it?
Only gravity
Gravity and friction
Gravity and normal force
Gravity and magnetism
Which of the following surfaces would likely have the least friction?
Sandpaper
Ice
Carpet
Grass
Which force is responsible for keeping a book at rest on a table?
Gravity
Friction
Normal force
Magnetism
Which of the following is an example of friction in everyday life?
A magnet sticking to a refrigerator
A book sliding across a table and stopping
A ball falling to the ground
A car accelerating on a highway
What is the force that pulls objects toward the center of the Earth?
Friction
Gravity
Magnetism
Normal force
