{{asɛmtiNe Ɔkyerɛwfo}} | Nhomakorabea | Nneɛma a ɛma wotumi yɛ ade

1

This is a picture of an electric circuit containing a wire, a battery, and lightbulb. A student wants to use the circuit to find the battery that lasts the longest.

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Which test should the student perform? Complete the sentence by selecting the right word from the menu.

The student should change the type of and measure how long the circuit works.

1

Students want to investigate energy transfer. They use a wire to connect a battery to a lightbulb.
Which best describes the energy transfer process that goes on between the battery and the lightbulb?

A. Heat energy from the lightbulb warms up the battery.

B. Electrical energy from the battery turns into heat and light

C. Light energy from the lightbulb is changed into electrical energy within the battery.

D. Chemical energy from the battery is transformed into energy of motion inside the lightbulb.

4

The students are given three different batteries. They are asked to compare how much energy each battery transfers to the lightbulb.
Drag each step into the correct order to complete the investigation.

Draggable item		Corresponding Item
Remove battery and replace with a different battery.		Step 1
Repeat until all the batteries have been used.		Step 2
Observe and record the brightness of the lightbulb		Step 3
Use wires to connect a battery to the lightbulb		Step 4

CAST 15 and 28 - Electricity

Students want to investigate energy transfer. They use a wire to connect a battery to a lightbulb. Which best describes the energy transfer process that goes on between the battery and the lightbulb?

The students are given three different batteries. They are asked to compare how much energy each battery transfers to the lightbulb.Drag each step into the correct order to complete the investigation.

Students want to investigate energy transfer. They use a wire to connect a battery to a lightbulb. Which best describes the energy transfer process that goes on between the battery and the lightbulb?

Students want to investigate energy transfer. They use a wire to connect a battery to a lightbulb.
Which best describes the energy transfer process that goes on between the battery and the lightbulb?

The students are given three different batteries. They are asked to compare how much energy each battery transfers to the lightbulb.
Drag each step into the correct order to complete the investigation.

Students want to investigate energy transfer. They use a wire to connect a battery to a lightbulb.
Which best describes the energy transfer process that goes on between the battery and the lightbulb?