Science Final

The prefix kilo is considered to be what multiple of ten?

• 1/1000

• 1/100

• 1000

• 100

What units would you use to measure out water for a STEM project?

• miles

• liters

• meters

• ounces

What unit of length is best suited to measure the thickness of a pencil lead?

• m

• mm

• km

• cm

4.2 kg = ___ g

• 42

• 420

• 4.2

• 4200

1500 mL ___ 1.5 L

• =

• <

• >

63 cm ___ 6 m

• <

• >

• =

What unit of length is best suited to measure the width of a finger?

• Dm

• km

• m

• cm

Brett ran a 10-meter race in 2.4 seconds.  His speed was approximately....

• 4 meters

• 4 seconds

• 4 miles an hour

• 4 meters per second

Connor ran a 100 meter race in 20 seconds.  What was his velocity?

• 5 meters per second

• 5 meters per second toward the finish line

• 2000 meters per second toward the finish line

• 2000 meters per second

An athlete is running a 5-km race at an average speed of 8 km/h.  She has to stop to tie her shoe.  After tying her shoe, she continues running at 8 km/h.  Why would her average speed for the entire race be less than 8 km/h?

• The total distance she traveled was longer than 5 km.

• The total time she took to complete the race increased because she stopped.

• The total time she took to complete the race decreased because she stopped.

• The total distance she traveled was shorter than 5 km.