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- 1. Multiple Choice
Will the balloons ATTRACT or REPEL each other?
- 2. Multiple Choice
Only negative charges can move from one material to another.
True
False
- 3. Multiple Choice
The buildup of electric charges is called . . .
static electricity
electric discharge
electric charge
- 4. Multiple ChoiceAn object becomes charged when the atoms in the object gain or loseelectronsprotonsneutronsall of the above
- 5. Multiple ChoiceIf you rub a glass rod with a piece of silk, the rod becomes positively charged. This means thatfriction destroyed electrons in the rod.the silk has become negatively charged.protons have moved to the rod.glass attracts more protons.
- 6. Multiple ChoiceObjects that have opposite chargesare attracted to each other, and the force between the objects pulls them together.are attracted to each other, and the force between the objects pushes them apart.are repelled by each other, and the force between the objects pulls them together.are repelled by each other, and the force between the objects pushes them apart.
- 7. Multiple ChoiceA region around a charged particle that can exert a force on another charged particle is called anelectric pulse.electric charge.electric force.electric field.
- 8. Multiple ChoiceRubbing a balloon on hair is an example of static charge build up created by....conductionfrictioninductionhairduction
- 9. Multiple ChoiceWhen distance increases, electrostatic force ____________; we call this relationship ____________ proportionaldecreases;directlydecreases;inverselyincreases;inverselyincreases;directly
- 10. Multiple ChoiceThe electrical force between charges is strongest when the charges areclose togetherfar apartthe electric force is constant everywhere.there is no pattern
- 11. Multiple ChoiceWhat does it mean when the electric field lines are close together?the field is positivethe field is negativeThe field is strongthe field is weak
- 12. Multiple Choice
Electric charges are created ______.
by gravitational forces.
separately.
between 2 oppositely charged objects.
by neutrons.
- 13. Multiple Choice
Where can an electric field be found?
below a force field
in a gravitational field
in the space surrounding a charged object
outside of a magnetic field
- 14. Multiple ChoiceMagnetic fields are created by _______ electric charges.only positiveonly negativemovingstatic
- 15. Multiple ChoiceElectric fields are created by _____ electric charges.only positiveonly negativemovingstatic
- 16. Multiple ChoiceIf a balloon is cooled what will happen to the volume?Volume will increaseVolume will decreaseVolume will not change
- 17. Multiple ChoiceWhich description best matches this particle model?Closely packed and can't move a lot.Particles are close together but can move a little.Particles have lots of energy and can move around.
- 18. Multiple ChoiceWhich description best matches this particle model?Closely packed and can't move a lot.Particles are close together but can move a little.Particles have lots of energy and can move around.
- 19. Multiple ChoiceWhich description best matches this particle model?Closely packed and can't move a lot.Particles are close together but can move a little.Particles have lots of energy and can move around.
- 20. Multiple Choice
What is matter?
anything that has mass and takes up space
anything that can be felt
anything that can behave in many different ways
anything that exist on Earth
- Answer choicesTagsAnswer choicesTags