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Electric Charges And Electric Forces
Test Description: Chapter 15 lesson 1 6th Grade
Instructions: Answer all questions to get your test result.
1) _____________ are the tiny particles that make up all the matter around you.
A
Electric Charges
B
Nucleus
C
Atoms
2) An atom has a(n) __________ that is made up of two kinds of smaller particles called protons and neutrons
A
Neutrons
B
Protons
C
Nucleus
D
Electron
3) _____________ move around an atom’s nucleus
A
Electrons
B
Protons
C
Neutrons
4) __________________ do not have electric charge
A
Protons
B
Neutrons
C
Electrons
5) ________________ have electric charge.
A
Protons
B
Nuetrons
C
Nucleus
6) When___________________ transfer from one electrically neutral object to another, the objects become electrically charged
A
Neutrons
B
Electrons
C
Protons
7) Whether an object becomes positively or negatively charged depends on the material it ______________________.
A
contacts
B
attracts
C
repels
8) Electrons transfer from a material that holds electrons ___________ tightly to a material that holds electrons ________ tightly.
A
more, more
B
less, less
C
less, more
D
more, less
9) Wool does not hold electrons as tightly as rubber, so when a wool sweater and a rubber balloon are rubbed together, electrons transfer from the ___________ to the __________.
A
sweater, sweater
B
sweater, balloon
C
balloon, sweater
D
balloon, balloon
10) A particle that has equal amounts of positive charge and negative charge is _______________________
A
positively charged
B
negatively charged
C
electrically neutral
11) Which material is a conductor in which electric charges easily move?
A
copper
B
wood
C
paper
12) Which material is an insulator in which electric charges cannot easily move?
A
gold
B
aluminum
C
plastic
13) How do objects become electrically charged?
A
wood
B
paper
C
copper
14) Which material is a conductor in which electric charges easily move?
A
an equal number of protons and electrons
B
more protons than electrons
C
neutrons and protons but no electrons
D
more electrons than protons
15) A positively charged particle has
A
Protons move from one object to another.
B
Electrons move from one object to another
C
Neutrons move from one object to another
16) A negatively charged particle has
A
more protons than electrons.
B
an equal number of protons and electrons.
C
more electrons than protons
D
neutrons and protons but no electrons
17) Which material is classified as an insulator?
A
iron
B
wood
C
aluminum
D
gold
18) Which material is classified as a conductor?
A
wood
B
glass
C
paper
D
gold
19) When two objects touch, which object becomes negatively charged?
A
the object that loses electrons more easily
B
the object that holds electrons more tightly
C
the object that has the smaller surface area
D
the object that has the greater mass
20) refers to a particle that has equal amounts of positive charge and negative charge
A
electrically neutral
B
electric conductor
C
negatively charged
D
positively charged
*select an answer for all questions
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