2nd Semester Physical Science FINAL

Charging by ____________ is the rearrangement of electrons on a neutral object caused by a nearby charged object.

• conduction
• induction

___________ are materials that do not allow electric current to pass through easily.

• insulators
• conductors

___________ is the accumulation of electrical charges on an object.

• static electricity
• voltage

Charges flow from ___________ voltage to ___________ voltage.

• high to low
• low to high

Making wires thinner, longer, or hotter ___________ the resistance.

• increases
• decreases

What is the potential difference (voltage) if a resistance of 20 ohms produces a current of 10 amperes? V=IR

• 200 volts
• 2 volts

area around charged object; exerted by a charged object; allows us to charge by induction

• electric field
• grounding

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Protons have ___________ electrical charge

• positive
• negative

Tags

NGSS.MS-PS2-3

Electrons have ___________ electrical charge

• positive
• negative

Tags

NGSS.MS-PS2-3

Mr. Robinson and his class are conducting an experiment. The class needs to choose a good insulator. Which of the following could be used as an insulator?

• plastic plate
• silver spoon

Tags

NGSS.MS-PS3-3