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Challenge Week Final Assessment 23-24

Challenge Week Final Assessment 23-24

Assessment

Flashcard

Physics

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the principle behind Maglev trains?

Back

Maglev trains use the principle of magnetic repulsion, where similar magnetic poles repel each other, causing the train to levitate above the tracks.

2.

FLASHCARD QUESTION

Front

What happens when you rub a balloon on your head?

Back

The balloon becomes negatively charged due to the transfer of electrons from your hair to the balloon.

3.

FLASHCARD QUESTION

Front

What type of electromagnetic wave is used in television technology?

Back

Radio waves are the type of electromagnetic wave that made TV technology possible.

4.

FLASHCARD QUESTION

Front

What occurs when the sun heats a puddle of water?

Back

The water evaporates as it absorbs heat energy from the sun.

5.

FLASHCARD QUESTION

Front

Why is low-frequency red light used in dark rooms?

Back

Low-frequency red light has low energy, which does not expose photographic film.

6.

FLASHCARD QUESTION

Front

What is the effect of magnetic fields on Maglev trains?

Back

Magnetic fields repel each other, allowing the train to hover and travel at high speeds.

7.

FLASHCARD QUESTION

Front

What attracts a negatively charged balloon?

Back

A negatively charged balloon is most attracted to positively charged objects, such as hair.

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