Energy & Circuits Review

Match these Conversions

• electrical to mechanical (sound)

• 
• chemical to thermal and radiant

• 
• chemical to electrical

• 
• electrical to radiant and thermal

• 

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

NGSS.HS-PS3-1

Consider a dryer. Once turned on, order the energy transfers.

• Electrical

• Mechanical

• Thermal and Sound

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-3

Select all that apply: Which of the following best represents the Law of Conservation of Energy?

• Energy CAN change forms

• Energy CAN be destroyed AND created

• Energy CANNOT be created

• Energy CANNOT be destroyed

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-2

When a frog eats an insect, digestion converts it into energy the frog can use to hop. What type of energy conversion is taking place?

• chemical to mechanical

• mechanical to chemical

• chemical to electromagnetic

• electromagnetic to chemical

Tags

NGSS.HS-LS1-7

What is the total resistance of the circuit?

• 100Ω

• 200Ω

• .063Ω

• 15.8Ω

The total current through this circuit is

• 0.02 amps
• 0.09 amps
• 50 amps
• 9 amps

In a parallel circuit which of the following is the same value throughout the circuit?

• Voltage
• Current
• Resistance
• Charge

The total resistance of this circuit is 

• 25.7 ohms
• 315 ohms
• 324 ohms
• 90 ohms

The total current going through the battery of this circuit is

• 0.35 amps
• 0.0286 amps
• 0 amps
• 9 amps

What is the definition of electrical current?

• The opposition to the flow of electrons

• The rate of flow of charge

• The work done on each coulomb of charge

• Electrons moving around