Forces
Types of Energy
Measurement
Controlled Experiment
All mixed up
100
The force that attracts objects to each other
What is gravity?
100
the type of energy demonstrated by a moving train
What is kinetic energy?
100
a measurement of the amount of mass in an object
What is mass?
100
the name for the variables that need to be kept the same during a controlled experiment
What are controlled variables?
100
What is a graduated cylinder?
200
a force that pushes back against objects as they move through air
what is air pressure?
200
the type of energy demonstrated by a book lifted above the ground
What is gravitational potential energy?
200
a measurement of the force of the pull of gravity on something
What is weight?
200
the name for the variable that you purposely change during a controlled experiment
What is the independent variable?
200
a redd
What is the nest that a trout makes?
300
a force that happens whenever two surfaces move against each other
what is friction?
300
the type of energy demonstrated by a stretched rubberband
What is elastic potential energy?
300
an instrument used to measure the strength of a force
What is a spring scale?
300
the name for the variable that you are measuring during the experiment
What is the dependent variable?
300
egg tooth
What is the "tooth" on a chick's beak that it uses to break out of its shell?
400
the unit that is used to measure force
What is the newton?
400
The place where kinetic energy is decreasing and gravitational potential energy is increasing
What is point D?
400
mass x height x the force of gravity =
What is GPE?
400
the term that means that the experiment is dependable, you get the same results when you repeat the experiment
reliable
400
the spot where kinetic energy is increasing and gravitational potential energy is decreasing
What is spot B?
500
The category of force demonstrated by a magnet attracting a paper clip
What is a non-contact force?
500
The place where gravitational potential energy is the lowest and kinetic energy is the highest
What is point C?
500
the metric unit used to measure energy
What is a joule?
500
the variable that goes on the y axis when you graph your data
What is the dependent variable?
500
add the trials and then divide by the number of trials
How do you calculate an average?