Share CM 1 - Science - Sounds and Gases
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To make something less tight
Loosen
To make something pulled or stretched more
Tighten
An instrument that makes sound when its strings vibrate
Stringed Instrument
To adjust an instrument to make the sound higher or lower
Tune
An instrument that makes sound when you blow air into it
Wind Instrument
Anything that takes up space
Matter
Tiny pieces that make up all matter
Particles
A state of matter that has a fixed shape
Solid
A state of matter that flows and takes the shape of its container
Liquid
A state of matter that spreads out and has no fixed shape
Gas
To press something so it takes up less space
Compress
What are harmful substances in the air water or environment
Pollution
The layer of air surrounding Earth
Atmosphere
Which country is the only national flag that has a building on it
Cambodia
Name a lake that changes water direction twice a year
Tonlé Sap Lake
What is the national animal of Cambodia
Kouprey
