A person using a suntan bed to suntan receives what type of heat energy?
a. radiation
b. refraction
c. convection
What is Radiation
100
Which of the following is an example of electrical energy being converted to electromagnetic energy?
a. Talking on a cell phone
b. Making toast
c. Blow drying hair
What is A. Talking on a cell phone
100
What happens to an object's acceleration when the mass is increased?
a. Mass increases
b. Mass stops
c. Mass decreases
What is C. Mass decreases
100
When the force on an object increases, _________ also increases.
a. Acceleration
b. Mass
c. Force
What is A. Acceleration
100
Ms. Mitas teaches what subject area?
What is Math
200
As a cannonball is being shot out of a cannon, the cannonball's energy transfers from potential to kinetic. The cannonball is traveling at 75J, what is the potential and kinetic energy?
a. 75J- P.E., 25J K.E.
b. 75J - P.E., 75J K.E.
c. 25J - P.E., 25J K.E.
What is C. 25J;25J
200
Heat is the most easily lost form of energy.It is als the form of energy which other forms of energy can easily be converted into, with a lot of the heat remaining as waste.
Which is an example of heat loss in the conversion of energy?
a. Ice cube meltin
b. Person sweating
c. Water evaporating
What is B. Person sweating
200
Three ways an object can accelerate include?
a. Work, distance, and position
b. Speeding up, slowing down, and
changing directions
c. Speed, time, and motion
What is B. Speeding up, slowing down, and changing directions
200
At a supermarket a customer placed a bag of apples on a spring scale. If the mas of the apples is 4.0 kg and the spring scale reads 40N, what would be the acceleration of the spring scale?
a. 160 m/s
b. 0 m/s
c. 10 m/s
What is 10 m/s
200
Sir Isaac Newton was a?
a. Rapper
b. Amusement Park
c. Scientist
What is C. Scientist
300
A battery + flashlight = what type of energy conversion?
a. Chemical to electrical
b. Chemical to mechanical
c. Mechanical to electrical
What is A. Chemical to electrical
300
Convection is when heat?
a. Radiates out like the sun's rays.
b. Heat circulates (is circular) traveling up and
around.
c. When heat travels from warmer areas to
cooler areas.
What is B. Heat circulates
300
Which of the following factors affect the motion of a satellite as it revolves around the earth according to Newton's First Law of Motion?
a. Inertia and gravity
b. Inertia and friction
c. Air resistance and friction
What is A. Inertia and gravity
300
Which of the following are examples of 0 net force?
a. When balanced forces act on an object.
b. When unbalance forces act on an object.
c. Both a and b
What is A. Balanced forces acting on an object.
300
The experiment using the styrofoam ball hanging from the ceiling showed what?
a. Potential energy
b. Kinetic energy
c. Positional energy
What is B. Kinetic energy
400
A person holds a snowball in their hand. The snowball begins to melt and the person's hand begins to get cold. What method of heat transfer is this an example of?
a. Convection
b. Radiation
c. Conduction
What is C. Conduction
400
A person is making toast in the morning for their family. The process of making toast is?
a. Single transformation process
b. Multiple transformation process
c. None of the above
What is A. Single transformation process
400
Which of the following is an example of Newton's Second Law of Motion?
a. A feather blowing in the wind.
b. A person pushing a grocery cart.
c. Bowling ball hitting bowling pins.
What is B. A person pushing a grocery cart. Newton's second Law of Motion states - acceleration depends on the object's mass and on the net force acting on the object.
400
Which of the following is an example of sliding friction?
a. A sled rolls over a surface.
b. When a surfboard pushes through water.
c. A sled is moving and slides over floor.
What is C. A sled is moving and slides over floor.
400
Newton sat under an apple tree one day. An apple fell off the tree onto Newton's head. Newton theorized that this must be the reason the apple fell down, not up?
a. Gravity
b. Mass
c. Acceleration
What is a. gravity
500
Heat transfer by radiation may cause?
a. Boiling water in a pot
b. Earth getting heat energy from sun
c. Metal spoon left in hot cup
What is B. Earth getting heat energy from sun
500
A quarterback throws a football high in the air. The ball travels through the air for a short while then begins to fall to the ground. What is the reason for the ball falling towards the ground?
a. Potential energy
b. Kinetic energy
c. Gravitational potential energy
What is C. Gravitational potential energy
500
Which of the following examples best describes Newton's First Law of Motion?
a. Waiter pulls off table cloth but dishes
still remain on table.
b. Truck bumping into car.
c. Batter hits a pitched baseball.
What is A. Waiter pulls off table cloth but dishes remain. Newton's First Law of Motion states - an object at rest will stay at rest, and an object moving at a constant velocity will continue moving at a constant velocity, unless it is acted upon by an unbalanced force.
500
These two factors affect the gravitational attraction between objects?
a. Time and distance
b. Mass and distance
c. Mass and time