Magnetic Force Fields
Electric Force Fields
Gravitational Force Fields
Potential and Kinetic Energy
Random Science!
100
Poles that attract each other
What is opposite poles
100
To get a plastic band to levitate over a balloon, the charges of the balloon and the plastic band must be what?
What is the same or like
100
In gravitational force fields, objects are always attracted or repelled?
What is attracted
100
Stored energy
What is potential energy
100
The element with the symbol K
What is Potassium
200
Poles that repel each other
What is like poles
200
Two balloons rubbed on a wool cloth and given a charge. How do you know the balloons exert forces over a distance on each other?
One balloon can make the other move without the balloons touching
200
A satellite is launched into space and begins orbiting the earth. What force keeps the satellite from flying away?
What is gravity
200
Energy associated with movement
What is kinetic energy
200
Name one natural resource
What is coal, natural gas, wood, etc
300
To increase the magnetic potential energy of two "like" charged magnets you must?
What is move them closer together
300
A balloon is rubbed on a wool cloth and given a charge. The balloon is brought near some small pieces of paper. What will happen? WHY?
If the balloon is brought close enough to the paper, the static electricity build up will cause the paper to move.
300
Why is your weight different on different planets? Give examples.
You are heavier on large planets with more gravity (Jupiter), and lighter on planets with less gravity (Mars).
300
How would you increase the potential energy of a ball siting on the floor?
You could lift the ball up
300
Dissolving sugar in water is what type of change
What is physical change
400
To increase the magnetic potential energy of two "opposite" charged magnets you must?
What is move them farther apart
400
What is the name of my metal ball that we used to generate static electricity?
What is a Van de Graff Generator
400
How do craters on the moon form? How do gravitational force fields play a part in this?
What is objects colliding with the moon
400
Which ball has a higher kinetic energy: Ball one m=2 kg v=10 m/s Ball two 5 kg v=8 m/s
What is ball two
400
What is the difference between an endothermic and exothermic reaction?
Exothermic reactions release energy and endothermic reactions absorb energy
500
Magnets can exert a force on other objects. How might an object(s) be affected by a magnetic force field? Give an example.
Answers may vary
500
Electric force fields can be used to transfer energy between objects. What is an example of this?
Answers will vary
500
What is an example of two objects that have gravitational potential energy. How would you increase the objects' gravitational potential energy?
Answers will vary
500
What law states that energy cannot be created nor destroyed?
What is the law of conservation of energy
500
Thermal energy transfer that occurs through objects that are touching
What is conduction
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