AnswersCSD Summer 2026 PhysicalEarth ScienceLab: Magnetic and Electric Fields

Lab: Magnetic and Electric Fields Answers

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✔ compasselectronic balancegalvanometer

A
✔ compass
B
electronic balance
C
galvanometer
3

✔ galvanometerelectronic balancethermometer

A
✔ galvanometer
B
electronic balance
C
thermometer
4

leftright✔ neither direction

A
left
B
right
C
✔ neither direction
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Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.

Answers:
The independent variable in Part I, the one that is intentionally manipulated, is the .:type of material
The independent variable in Part II, the one that is intentionally manipulated, is the .:charge of an object
The independent variable in Part III, the one that is intentionally manipulated, is the .:movement of a magnet
The independent variable in Part IV, the one that is intentionally manipulated, is the .:presence of an electric field
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type of material✔ charge of an objectmovement of a magnetpresence of an electric field

A
type of material
B
✔ charge of an object
C
movement of a magnet
D
presence of an electric field
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type of materialcharge of an object✔ movement of a magnetpresence of an electric field

A
type of material
B
charge of an object
C
✔ movement of a magnet
D
presence of an electric field
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type of materialcharge of an objectmovement of a magnet✔ presence of an electric field

A
type of material
B
charge of an object
C
movement of a magnet
D
✔ presence of an electric field
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saw dustsifted flour✔ iron shavings

A
saw dust
B
sifted flour
C
✔ iron shavings
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Use the drop-down menus to complete the passage.

Answers:
A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.:an electric current
A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.:a magnetic field
A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.:perpendicular
A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.:opposite
A galvanometer detects by showing needle movement in . If the wires in this galvanometer are attached to the terminals of a battery, the compass needle will move and point to the wrapped coil of wire.:magnet
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parallel✔ perpendicularat a 45-degree angle

A
parallel
B
✔ perpendicular
C
at a 45-degree angle
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✔ magnetwindlight source

A
✔ magnet
B
wind
C
light source
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Predict what would happen to the strength of the electromagnet in each situation.

Answers:
Using a battery with a higher voltage::stronger force of attraction
Wrapping the wire around the nail only three times::weaker force of attraction
Changing the direction of the current by reversing the battery connections::no change
Using a plastic stick in place of the iron nail::weaker force of attraction
Holding the nail vertically rather than horizontally::no change
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stronger force of attraction✔ weaker force of attractionno change

A
stronger force of attraction
B
✔ weaker force of attraction
C
no change
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stronger force of attractionweaker force of attraction✔ no change

A
stronger force of attraction
B
weaker force of attraction
C
✔ no change
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stronger force of attraction✔ weaker force of attractionno change

A
stronger force of attraction
B
✔ weaker force of attraction
C
no change
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stronger force of attractionweaker force of attraction✔ no change

A
stronger force of attraction
B
weaker force of attraction
C
✔ no change

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