Yr 7 Sci - Water Filtration & pH
Quiz
•
Science
•
6th - 7th Grade
•
Hard
Celina Do
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Using Gravel as a material in your water filtration tube
Traps medium sized impurities. E.g. sludge, small insects, seeds
Traps large impurities. E.g. sand, large insects, leaves
Traps small impurities. It is great because it is so porous.
Traps mice with cottage cheese
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
What is the pH of a neutral solution?
6
2
7
11
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following is NOT a separation technique
Evaporation
Filtration
Photosynthesis
Distillation
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Using a scourer as a material in your water filtration tube
Traps chemical contaminants E.g. oil, dye, toxic salts
Traps soil well
doesn't do anything
Traps small impurities. It is great because it is so porous.
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Using Paper Towel in as a material in your water filtration tube
Traps chemical contaminants E.g. oil, dye, toxic salts
Traps large & small impurities but allows clean water can pass through
is great because it is so porous.
Keeps your other layers from falling into the water. Acts like a plug
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Using Cotton as a material in your water filtration tube
Keeps your other layers from falling into the water. Acts like a plug
Traps all sized impurities.
Traps soil well
Traps chemical contaminants E.g. oil, dye, toxic salts
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Flow rate is important because
a poor flow rate is inefficient
it's all about the ~ flowww~
it makes the water cleaner
it calculates water recovery
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