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

Ɛhia

1

When a battery produces electricity, a chemical reaction occurs. Which piece of evidence supports this claim?

Kinetic energy is transferred into potential energy.

The temperature of the battery increases after each test.

There is no change in the mass of the battery.

The magnetic car moves along the copper coil.

MS-PS1-2

Ɛhia

1

Choose the word or phrase in each set of options to explain what happens to the mass of a battery during the chemical reaction.

The mass of the battery will .

MS-PS1-5

Ɛhia

1

Use the information from the passage and circle a word in each set of options to describe the types of energy the magnetic car has when it begins to move along the copper track.

When the magnetic car begins to move along the copper track, its kinetic energy .

MS-PS3-5

Ɛhia

1

Which three parts of the magnetic car system affect the strength of the electromagnet?

MS-PS2-3

Ɛhia

1

One of the students' magnetic car setups had a faster time. Explain what could have caused Car 2 to have a faster time than Car 1.

MS-PS2-1

Ɛhia

1

Another way the magnetic car and track can be set up is with the car inside the copper coil. Students place one magnetic car inside a stretched coil and another magnetic car inside a

larger coil, as shown in the drawing below.

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Choose the word or phrase in each set of options to predict the effects of using a stretched coil and a larger coil with the magnetic cars compared to the speed of the magnetic cars on top of the coil track.

Stretched coil: The speed of the magnetic car will .

MS-PS2-5

Ɛhia

1

To build on their investigation, the students wanted to observe how changing the length of the track would affect the temperature of the battery being used.

Part A: Choose the phrase in each set of options to identify the variables for this new investigation.

Independent Variable:

MS-PS3-4

Ɛhia

1

Part B: Choose three variables that need to be controlled and kept constant during this new investigation.

MS-PS3-4

Science 8 - Testlet 013 - Physical Science

Magnetic Car Race

When a battery produces electricity, a chemical reaction occurs. Which piece of evidence supports this claim?

Which three parts of the magnetic car system affect the strength of the electromagnet?

One of the students' magnetic car setups had a faster time. Explain what could have caused Car 2 to have a faster time than Car 1.

Part B: Choose three variables that need to be controlled and kept constant during this new investigation.

Magnetic Car Race

When a battery produces electricity, a chemical reaction occurs. Which piece of evidence supports this claim?

Which three parts of the magnetic car system affect the strength of the electromagnet?

One of the students' magnetic car setups had a faster time. Explain what could have caused Car 2 to have a faster time than Car 1.

Part B: Choose three variables that need to be controlled and kept constant during this new investigation.