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 Mad Science—Measurement 

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1. Two years is how many hours?

730 hours 17,520 hours 1,051,200 hours 63,072,000 hours

2. A football field is 4,844 cm wide. What is that width in yards? (1 meter ≈ 1.09361 yards)

about 44.27 yards about 52.97 yards about 4,427 yards about 5,297 yards

3. A plane flying 6,500 feet per minute is going about how many miles per hour?

74 miles per hour 572 miles per hour 1,300 miles per hour

4. Including the end zones, a football field is 360 feet long and 160 feet wide. If you run three laps around a football field, about what percentage of a mile do you run?

10% 20% 30% 60%

5. You want to buy Sculpey III modeling clay online. At amazon.com it costs $7.29 for 8 ounces. At amazon.co.uk it costs £2.20 for 57 grams. (1 ounce ≈ 28.35 grams. If £1 ≈ $1.31), which is a better buy?

$7.29 for 8 ounces £2.20 for 57 grams

6. A triangle has base 4 m and height 3.5 m. What is the area?

7 square meters 7.5 square meters 14 square meters 28 square meters

7. Most billiard tables are twice as long as they are wide. What is the perimeter of a billiard table that measures 4.5 feet by 9 feet?

6.75 feet 13.5 feet 27 feet 40.5 feet

8. A parallelogram has base 2.3 cm and height 3.5 cm. What is the area?

4.025 square cm 8.05 square cm 11.6 square cm 16.1 square cm

9. A trapezoid has base 25 cm, top 16 cm, and height 35 cm. What is the area?

76 centimeters 717.5 square centimeters 1,435 square centimeters 7,000 square centimeters

10.The standard backyard trampoline has a diameter of 14 feet. What is its area?

22 square feet 43.98 square feet 153.94 square feet 615.75 square feet