To see if the project is actually going to work. Also called prototypes
The less dense areas created as a sound wave propagates are called Rarefactions
Subjective refers to something that takes place within the mind of the person. It is modified based on individual bias.
Objective refers to defining things or expressing them without any distortion. They are expressed only as perceived.
Finally, mineral is anything composed of matter apart from animals and plants.
1. Take a breaker
2. Put a sieve on it
3. Pour the mixture and shake the sieve gently
4. Wait for the flour to fall. After the flour falls pour the rice from the sieve into other beaker then do experiment again for fair testing(optional)
