How Can We measure and Compare Objects?

Which measurement tells about the length of an object?

• 14 pounds

• 10 hours

• 6 inches

Robert wants to find out how heavy a watermelon is. He knows he should use a scale to find out. How does he know he should use a scale?

• A scale measures length

• A scale measures weight

• A scale measures volume.

Bree weighs her textbook on Monday. She weighs the same textbook again on Tuesday. What is the weight of the textbook on Tuesday.

• The book is heavier on Tuesday.

• The book is lighter on Tuesday.

• The book is the same weight on Tuesday.

Jamal asks a question- How long is my desk?

Which tool should he use to answer his question?

• a ruler

• a scale

• a thermometer