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5/50 MCQs for:
THE WORLD OF SCIENCE: Simple application of measurements
A fruit vendor wants to check if watermelons are ripe and light. He lifts them to compare heaviness. He is estimating:
A thermometer is placed in direct sunlight before reading. This may give incorrect temperature due to:
Choosing a plastic cup for a picnic instead of a glass one shows understanding of:
A student wants to measure the length of a curved line on a leaf. Which instrument is most suitable?
Amina notices the oil floats on water. This is because: