REVIEW QUIZ GRADE 7

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min

A train travels 25 km in .5 hrs. How fast is the train going?

• 25 miles/hr
• 5 miles/hr
• 125 km/hr
• 50 km/hr

Speed plus direction.

• Velocity
• Motion
• Position
• Acceleration

How would decreasing the time it takes you to run a certain distance affect your speed? Speed will...

• Increase
• Decrease

It takes a leopard 5 s to travel 3 meters. What is the leopard's speed?

• 15 m/s

• 8 m/s

• .6 m/s

• 2 m/s

Convert 47 meters to Gigameters

• 4.7x10^-8 Gm

• 4.7x10⁸ Gm

• 47000 Gm

• 47x10⁹ Gm

Convert the following:

4.2 L to milliliters.

• 4,200 mL

• 4.20 mL

• 4.200 x 10⁵ mL

• 4.2x10¹⁰ mL