When you turn on a fan, electrical energy turns into
What is, mechanical energy
100
when forces act on an object without changing its motion.
What is balanced forces
100
when air hits an object and slows it down
What is air resistance
100
A person about to jump off a diving board into a swimming pool has ____________ energy
What is gravitational potential
200
the energy that is stored in the position or the structure of an object.
What is potential energy
200
A child stretches a spring. What type of energy does the spring have?
What is elastic potential energy
200
a force that causes an object to change its motion
What is unbalanced forces
200
has properties of both waves and particles
What is light
200
________ allows scientists to see things that are very small.
What is a microscope
300
An apple that is about to be eaten has what kind of energy?
What is chemical potential energy
300
A change in position over time
What is motion
300
What happens to an object that is acted upon by unbalanced forces
What is it changes motion
300
Waxed paper is what type of light transmission?
What is translucent
300
The volume of a large pitcher of lemonade would be best measured in what units?
What is liters
400
If air resistance were not a factor, what would happen if a marble and a basketball were dropped from the same height at the same time?
What is both objects would hit the ground at the same time
400
An object that has ____________ will most likely be which an object that one that can stretch.
What is elastic potential energy
400
One adult is playing a game of tug-of-war against seven children. Neither team is winning. If the adult can pull with a force of 70 N, and the seven children are equally strong, what is the force of each child?
What is 10 N
400
What happens to an object’s shadow when the object moves closer to a light source?
What is, it gets bigger
400
If a car takes 5 hours to travel 300 miles, what is the average speed of the car
What is 60 MPH
500
Some furnaces convert electrical energy into _____
What is heat energy
500
When does the car on a roller coaster ride have the most potential energy
What is at the top of the hill
500
any push or pull from one object to another
What is a force
500
According to Newton’s law of universal gravitation, the force of gravity depends on?
What is mass and velocity
500
A drummer hits a drum with a drumstick. The drumstick exerts a force on the drum. The reaction does what to the drumstick?
What is, it changes the direction of the drumstick