Mass is defined as the amount of ___ in an object.

Matter

True or False: The customary unit for a very heavy object is measured in ounces.

False: The customary unit for a very heavy object is measured in tons.

Fill in the blank: 1 ton is equal to ___ pounds.

2,000

What is the relationship between pounds and ounces?

1 pound is equal to 16 ounces.

Estimate the total mass of 5 oranges if one orange weighs approximately 8 ounces.

40 ounces

True or False: A kilogram is a smaller unit than a gram.

False: A kilogram is a larger unit than a gram.

If a textbook weighs 1 kilogram, how much would 4 textbooks weigh?

4 kilograms

Fill in the blank: The metric unit for a small mass is the ___.

Gram

What is the estimated total mass of 3 textbooks weighing 2 pounds each?

6 pounds

Estimate the mass of a watermelon that feels like 3 textbooks, each weighing 1 kilogram.

3 kilograms

If a delivery truck is carrying 12 boxes that weigh 150 pounds each, what is the estimated total weight of the boxes?

1,800 pounds

Estimate the mass of 9 boxes of crayons if one box weighs approximately 47 grams.

450 grams

Fill in the blank: For small objects, it is sensible to use ___ or grams for measurement.

Ounces

What unit should you use to measure the mass of a large truck?

Tons

If a banana weighs approximately 120 grams, what will be the estimated mass of 7 bananas?

700 grams

True or False: Estimating mass does not require comparing to known benchmarks.

False: Estimating mass often requires comparing to known benchmarks.

How would you estimate the mass of a backpack containing 3 textbooks (2 pounds each), a water bottle (1 pound), and a lunchbox (1 pound)?

8 pounds

Fill in the blank: The mass of a slice of bread is about ___ ounces.

1

Estimate the total mass of 6 oranges weighing 8 ounces each.

48 ounces

If a small car weighs 1 ton, how much is that in pounds?

2,000 pounds