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Worksheets6th Graders CBA Review
Total questions: 51
Worksheet time: 1hrs 5mins
The diagram below shows a man fastened in a car seat while driving.
Based on Newton's law of action-reaction, which arrow represents the force that the seat belt would exert on the man's body if he had to slam on the brakes?
W
X
Y
Z
A skater pushes off a wall and skates backward for a few meters before stopping.
What statement best describes an action/reaction force pair in this situation?
The wall pushes on the skater when the skater pushes on the wall
The wheels slow down, and the skater stops
The friction of the floor helps the skater travel farther
The skater pushes on the wall and the wheel exert a force on the floor to begin turning
Select the point on the image where the ball will have the greatest kinetic energy.
The diagram models the forces acting on a box.
Which of the following best describes the motion of the box?
The box is moving downward with increasing speed.
The box is moving with constant speed to the right.
The box is moving with constant speed to the left.
The box is moving upward with increasing speed.
Bobby has a toy car that is sitting at rest on the floor. He decides to play with his toy car and pushes it with 3 newtons to the right. Bobby's friend Sam also decides to play with the toy car and pushes it with 6 newtons to the left at the exact same time.
What is the Net Force of the Car?
3 Newtons to the Left
<---
3 Newtons to the Right
--->
6 Newtons to the Left
<---
9 Newtons to the Right
--->
What is the Net Force of this box?
(unit is included in the answer)
(a)
What direction will the box be moving?
(a)
Is this object Balanced or Unbalanced?
(a)
Marshall and his friends like to skateboard in an empty swimming pool. The picture below shows a cross-section of the swimming pool. Several points along Marshall's path have been labeled.
At which point is Marshall's gravitational potential energy the greatest?
GRAVITATIONAL Potential Energy is affected by which of the following?
An object's position
Whether or not an object plays Fortnite
How big an object is
If an object reacts to another element or not
GRAVITATIONAL Potential Energy is affected by what?
How high something is off the ground
Whether or not an object plays Fortnite
How big an object is
If an object reacts to another element or not
GRAVITATIONAL Potential Energy is affected by what?
(a)
Identify the type of potential energy represented by each item below. (2 per category)
A Battery
An Airplane in the sky
A bow and arrow
A rubber band stretched back by 20 cm
Wood burning in a fireplace
a pencil sitting on top of a table
Sort the following into the correct categories of Potential and Kinetic Energy
A rock sitting on top of a Mountain
You riding your bike safely on the sidewalk
Your cellphone sitting quietly in your backpack where it belongs
Your BFF running to class because they just heard the tardy bell and they will be late
A book sitting on a table
A book falling off a table
What happens when two north poles of a magnet are placed together?
they repel (push away)
they attract (pull together)
they cancel each other out
the strength of the magnet is doubled
These forces are...
Balanced
Unbalanced
These forces are...
Balanced
Unbalanced
Organize these options into Balanced or Unbalanced
A book sitting on a table
A car driving down the road
Your chromebook sitting on your desk
A bird flying through the air, and a feather falls off of it and falls to the ground
The paper towel holders on the wall
You writing on your paper with a pencil
A brick layed on a wall with mortar
You pulling your younger sibling in a wagon down the sidewalk
Cell theory has three main components.
Select the THREE parts of cell theory.
Cells are the Basic Unit of Life
All Cells contain a Nucleus with DNA
All Cells come from Pre-Existing Cells
Cells perform all the necessary requirements for life.
All living organisms are made up of one or more cells.
Which diagram correctly models the cell theory?
Based on what you know about Prokaryote vs Eukaryote, what type of cell is this?
Eukaryotic
Prokaryotic
Bacteria
Protist
Which of the following are characteristics of a Prokaryotic Cell?
No Nucleus
Primarily Unicellular
DNA floating around in the middle
Has a nucleus
Has a mitochondria
A (a) is an organism that has to get it's food from an outside source. An (b) is an organism that can make its own food (through photosynthesis).
What is the term for a living thing that can MAKE IT'S OWN FOOD (through photosynthesis)?
(a)
What is the term for a living thing that HAS TO GET IT'S FOOD FROM AN OUTSIDE SOURCE?
(a)
When plants engage in photosynthesis, what type of energy are they converting to chemical energy?
Light (radiant) Energy
Kinetic Energy
Potential Energy
Thermal Energy
A roller coaster's movement is accomplished by:
radiant (light) energy from the sun warming the ride and giving it kinetic energy
the conversion of potential energy to kinetic energy
kinetic energy transformed into potential energy when the ride moves
the transfer of energy to matter
Which energy transformation happens when the blades are spinning as shown?
Electrical to mechanical
Chemical to electrical
Mechanical to electrical
Chemical to mechanical
Chemical Energy
Thermal Energy
Light Energy
Mechanical Energy
As the frequency of a wave increases...
The amount of energy it has increases
The amount of energy it has decreases
The number of crests decreases
The particles move in a vertical
Which of the following is an energy transformation evident in a spring?
Elastic to Mechanical
Light to sound
Mechanical to Chemical
Elastic to Thermal
Students build a circuit that has wires that connects a battery to a switch and a fan.
Which energy transformations happen when the students close the circuit and the blades of the fan begin to spin?
Chemical to mechanical to electrical
Electrical to chemical to mechanical
Chemical to electrical to mechanical
Mechanical to electrical to chemical
What kind of energy transformation is taking place when a hair dryer is used?
Mechanical energy is being transformed into thermal energy.
Electrical energy is being transformed into thermal energy
Sound energy is being transformed into electrical energy.
Magnetic energy is being transformed into wind energy.
Which of the following is TRUE about the Law of Conservation of Energy
Energy cannot be created or destroyed
Energy can randomly appear
I can destroy energy if I use TNT
Energy is a non-renewable source and will eventually run out
What do waves transfer?
(a)
What is this type of wave?
Transverse
Longitudinal
What is this type of wave?
Transverse
Longitudinal
What change in a wave will show a change in energy?
Decrease in amplitude
Increase in Frequency
Decrease in wavelength
Decrease in speed
In which wave is the motion of the particles parallel to the motion of the wave? (a)
Identify whether the following items belong with transverse or longitudinal waves
Amplitude
Crest
Trough
Particles flow Perpendicular
Compression
Rarefaction
Particles move Parallel
A Wavelength is
The distance between two crests or two troughs
The distance between the equilibrium and the crest or trough
The length of the equilibrium
Top or bottom of a wave
An Amplitude is
The distance between two crests or two troughs
The distance between the equilibrium and the crest or trough
The length of the equilibrium
Top or bottom of a wave
The frequency of a wave is...
How often the wave occurs in a given amount of time
The length between two crests
The distance between the equilibrium and the crest or trough
The distance between two troughs
What happens when the wavelength decreases?
The wave increases in frequency (how often the wave happens)
the wave decreases in frequency (how often the wave happens)
The sound stays the same
The fish in the wave get a free surf lesson
