Science 6- Filtration & Sieving

1. What method of separating mixtures will you use if you want to remove small shells in a grind/ground coffee?

• a. filtering                   

• b. sieving                    

• c. evaporation

• d. decantation

2. Which of the following mixtures use filter cloth to separate solid from a liquid extract?

• a. flour with stones

•  b. powder chalk with seeds

• c. baby powder with pebbles

• d. milk from grated coconut

3. In filtering technique of separating mixtures, what type of material passes through a filter paper or cloth?

•  a. liquid                  

• b. gas  

• c. solid

• d. plasma  

4. We have clean water to drink mainly because of _______?

• a. Filtration         

• b. Sieving

• c. winnowing 

• d. handpicking

5. Sand can be separated from rocks and pebbles by passing them through a fine wire mesh for construction use?

          

• a. Filtration

• b. Sieving

• c. winnowing

• d. handpicking