Enrichment Scince

Enrichment Scince

8th Grade

25 Qs

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Enrichment Scince

Enrichment Scince

Assessment

Quiz

Science

8th Grade

Practice Problem

Medium

Created by

Didik Akbar

Used 2+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
concussion. 
amplitude. 
reflection.
frequency. 

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
The sound would be higher. 
The sound would be lower. 
The sound would be softer. 
The sound would be louder. 

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?
Wave A and B have the same amplitude, but wave B (black) has a lower pitch.
Wave A and B have the same amplitude, but Wave A has a lower pitch. 
Wave A and B have the same pitch, but Wave A is a softer sound. 
Wave A and B have the same pitch, but Wave B is a softer sound. 

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image
When a sound is louder what measurement gets bigger?
Frequency 
Amplitude 
Wavelength 
Crest

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
If distance C on the diagram increased, what would happen to the pitch? 
The pitch would be louder. 
The pitch would be softer. 
The pitch would be higher. 
The pitch would be lower. 

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main functions of the excretory system?

deliver oxygen to the body

remove water and waste from the body

deliver nutrients to the body

remove disease from the body

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organ(s) remove waste gases?

Bladder and kidneys

Lungs

Large intestine

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