Electrical Energy (TEKS 4.8C)

Last updated 8 months ago

4 Nsɛmmisa

A system like the one pictured can be used to help keep food warm by transforming electrical energy into thermal and light energy. How can each type of energy be labeled? Write the letter of ONE correct answer in each box

Mmuae Afoforo a Wobɛpaw:

Electrical

Thermal

Light

Electrical Energy (TEKS 4.8C)

Last updated 8 months ago

4 Nsɛmmisa

Ramya builds a circuit with a battery, bulb, and switch. Which statement correctly describes how energy moves through this circuit to produce light?

A. Light energy flows through the closed circuit to produce electrical energy at the battery.

B. Electrical energy flows through the open circuit from the battery to the bulb to produce light.

C. Electrical energy flows through the closed circuit from the battery to the bulb to produce light.

D. Light energy flows through the open circuit from the switch to the battery to produce electricity.

Mmuae Afoforo a Wobɛpaw:

Electrical

Thermal

Light

Ainsley builds a model of an electric circuit that includes a light bulb. Which of these would BEST provide evidence that Ainsley’s circuit is complete?

A. The bulb is producing light and warmth.

B. The bulb is not producing light or warmth.

C. The bulb is producing light but not warmth.

D. The bulb is producing warmth but not light.

Wade wants to model circuits at home and uses this toaster. Diagram of a toaster with a cord plugged into an electrical outlet and a slice of bread inside.
How does a toaster model how electrical energy travels? Write the letter of ONE correct answer on each line. Not all answers will be used.
A toaster is made of a series of circuits, which create a through which the electrical current flows. A toaster transforms electrical energy into to toast the bread. Some energy also becomes , which makes the wires in a toaster glow.

A. thermal energy	C. open circuit
B. light energy	D. closed path