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WorksheetsFirst Semester Exam
Total questions: 50
Worksheet time: 25mins
Which of the following is not a metric unit of measure?
Meter
Gram
Inches
Liter
A constant variable is :
a variable that stays the same throughout an experiment
a variable that is changed in an experiment
the largest, most powerful variable of an experiment
rarely used in scientific experiments
Most often, an experiment involving the ADI process begins with a:
hypothesis
conclusion
procedure
guiding question
The following activity is permitted in the laboratory:
chewing gum
eating
drinking
none of the above
Speed is:
calculated by dividing the distance traveled by the time taken
zero for objects at rest
a measure of how quickly an object gets from one place to another
all of these
When constructing a graph, the x-axis is most closely related to:
the dependent variable
the vertical axis
the independent variable
the slope
A rocket sled accelerates from 10 m/s to 20 m/s in 2 seconds. What is the acceleration of the sled?
20 m/s2
10 m/s2
2 m/s2
5 m/s2
Objects tend to resist changes in motion. This property is called:
weight
momentum
inertia
potential energy
Newton's First Law of Motion is also known as:
the law of universal gravitation.
the law of force pairs.
the law of unbalanced forces.
the law of inertia.
A net force must be applied to an object to do all of the following EXCEPT:
turn.
slow down.
stop moving.
maintain a constant speed.
What does Newton's Second Law say:
An object at rest will stay at rest or an object in motion will stay in motion unless acted upon by an outside force.
For every action there is an equal and opposite reaction.
The force required to accelerate an object is dependent on its mass.
None of the above.
What does Newton's Third Law of Motion state?
For every action, there is an equal and opposite reaction.
F=ma
An object at rest will stay at rest and an object in motion will stay in motion.
The force required to accelerate an object is dependent on its mass.
Which of Newton's Laws is shown by a hockey puck sliding on a perfectly friction less surface.
Newton's First Law
Newton's Second Law
Newton's Third Law
F=ma
What kind of forces always cause objects to move?
Balanced Forces
Forces in Equilibrium
Unbalanced Forces
None of the above.
What is the measurement of the liquid in this graduated cylinder?
28 mL
28 L
2.8 mL
280 mL
A full shopping cart is more difficult to push than an easy one because it has more:
friction.
inertia.
momentum.
mass.
The force of weight on an object would be different depending on which _______________ you are on.
scale
balance
planet
none of the above
In every interaction, the forces always occur in _____________.
opposites
triplets
pairs
singles
A brick sitting on a table until it is moved is an example of which of Newton's Laws?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
None of the above
Pushing a child on a swing is easier than pushing an adult on a swing is an example of which of Newton's Laws of Motion?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Fourth Law of Motion
A person leaning on a wall and the wall holding him up is an example of which Newton's Law?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Fourth Law of Motion
A tractor trailer requiring more force to move than a Volkswagen Beetle if an example of which of Newton's Laws?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Fourth Law of Motion
What is friction?
An object's resistance to change in motion.
An object's ability to stay in the same position.
Anything that slows down the movement of an object.
None of the above.
Aaron has a truck that accelerates at 5 m/s2. If the truck has a mass of 5000 kg, how much force does the car produce?
25000 N
25000 kg
25000 m
None of the above.
A 70 kg student weighs 700 N on Mars. What is the student's mass on Earth?
70 lbs.
70 grams
70 m
70 kg
What is the term used to describe a net force of 0 N?
Inertia
Friction
Unbalanced
Equilibrium
What is an example of a naturally occurring magnet?
Granite
Quartz
Obsidian
Lodestone
Which factors does an electromagnet's strength depend on?
Type of wire
Width of wire
Number of coils wrapped around the nail
More voltage
All of the above
What does the Law of Conservation of Energy state?
Energy is neither created not destroyed. It is changed from one form to another.
Energy is finite and therefore, never changes.
Energy is a living, breathing entity and constantly is added to and deleted from the universe.
None of the above.
Where does a roller coaster have the most potential energy?
Going around the first curve.
At the top of the first hill.
At the bottom of the first hill.
Pulling into the docking station after the brakes have been applied.
What is radiant energy?
Energy from a nuclear power plant.
Energy from the flow of electrons
Energy from heat.
Energy from light.
What is electrical energy?
Energy from the flow of electrons.
Energy found in the bonds of molecules.
Energy from heat.
Energy due to motion.
What is nuclear energy?
Energy from heat.
Energy involving the flow of electrons.
Energy due to motion.
Energy due to the splitting of an atom's nucleus or the joining of two atoms' nuclei.
What is mechanical energy?
Energy of position and motion.
Energy from heat.
Energy from light.
Energy found in the bonds of molecules.
Two objects were lifted by a machine. One object had a mass of 6 kg and was lifted at a speed of 3 m/s. The other had a mass of 4 kg and was lifted at a rate of 6 m/s. Which object had more kinetic energy while it was being lifted?
The first object.
The second object.
Neither object.
Both objects had the same kinetic energy while being lifted.
In order for two magnets to be attracted to each other, what must their poles do?
Like poles must align.
Opposite poles must align.
None of the poles should align.
None of the above.
Two musical instruments play the same frequency, what's happening?
Nothing.
One of them is not tuned properly.
One of them is louder than the other one.
They are playing the same pitch.
Two instruments are playing the same frequency with different amplitudes. What's happening?
They are both playing the same volume.
They are both playing off key and too loudly.
They are both out of tune.
They are both playing the same pitch and one is louder than the other.
What does ROYGBIV represent?
The name of a nerdy student.
The name of a very smart, gifted and talented student.
The name of your favorite teacher.
The part of the EM Spectrum that is visible to humans.
If a jet is supersonic, what does that mean?
It does somersaults to the destination with passengers on board.
It travels to the moon and back in less than three hours.
It goes to infinity and beyond.
It travels faster than the speed of sound.
What is a decibel?
A unit for the speed of sound.
Code for ROYGBIV
A measure of how loud a sound is.
None of the above.
You are in a hotel room, exhausted from your travel delays and you want to sleep in. You notice that curtains are made of extremely heavy fabric to block out all light. As a result, light waves will not penetrate the curtains and wake you up too early. This behavior is called:
Reflection
Refraction
Diffraction
Absorption
When Mrs. Parker's classroom door is slightly open and Mrs. Bowling's classroom door is slightly cracked, it is possible to hear what Mrs. Parker is saying. This phenomenon is called:
Reflection
Refraction
Diffraction
Absorption
An echo is a sound wave that bounces back. What do we call this?
Reflection
Refraction
Diffraction
Absorption
A rainbow is white light bent by water droplets in the air at approximately a 420 angle. What is this called?
Reflection
Refraction
Diffraction
Absorption
A red apple looks red because red is the color that is ____________ back to our eyes.
reflected
refracted
diffracted
absorbed
Constructive interference is when:
Occurs when two waves run into each other and become one large wave.
Occurs when two waves run into each other and cancel each other out.
Occurs when five waves run into each other and make a pipeline for surfers.
None of the above.
Destructive interference occurs when
Two waves run into each other and make a bigger wave.
Two waves run into each other and cancel each other out.
Five waves run into each other and say, "Cowabunga, dude."
None of the above.
In what range can most humans hear best?
20 -20,000 Hz.
5.5-10.5 Hz
100 - 2,000 Hz.
20 - 30 Hz.
For the range of sound listed in Question # 49, where are the deeper and higher tones?
Deeper tones = 20 Hz and Higher tones = 20,000 Hz
Deeper tones = 150 Hz and Higher tones = 15 Hz
Deeper tones = 30 Hz and Higher tones = 3 Hz
None of the above.
