Homework Practice

Printable assignment

Water—The Essence of Life Practice 2

Concept Check

Question 1mcq

Which practice best shows the "reduce, reuse, recycle" approach in daily school life?

A.Using new paper for every rough draft.

B.Throwing batteries in the regular bin.

C.Using both sides of paper, repurposing old notebooks, and sorting waste into bins.

D.Buying new stationery every week.

Question 2mcq

A group of students wants to reduce plastic waste in their school. What is the MOST effective first step?

A.Buy new plastic bottles for everyone.

B.Audit how much plastic the school currently uses and identify where it comes from.

C.Tell younger students plastic is bad.

D.Close the school canteen.

Question 3mcq

Meera measures the height of a plant every Monday for six weeks and records the data in a table. What is the purpose of doing this?

A.To keep the plant company.

B.To see how much water the plant drinks.

C.To track growth over time and look for patterns.

D.To count the number of leaves.

Question 4mcq

A student predicts that seeds will sprout faster in warm soil than in cold soil. How should the student test this?

A.Plant seeds in warm soil only and wait.

B.Ask three friends to guess.

C.Plant seeds in warm and cold soil at the same time and compare sprouting time.

D.Read a book about seeds.

Question 5mcq

A student records: "The plant grew 3 cm last week." What type of observation is this?

A.A prediction.

B.A quantitative observation using measurement.

C.An opinion about the plant.

D.A question about the plant.

Apply and Solve

Question 6mcq

Forests near a river are being cut down. What effect might this have on the river?

A.The river will get cleaner water.

B.More rainfall will reach the river directly.

C.Soil erosion will increase, making the river muddy and reducing water quality.

D.Fish in the river will become larger.

Question 7mcq