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True or False: A hypothesis is an educated guess.

• False

• A hypothesis is a proven fact.

• A hypothesis is a random guess.

• True

Tags

NGSS.MS-PS1-2

Dereck cycles at an average speed of 8km/h. How far has she traveled if she cycles for 4 hours?

• 55km
• 32km
• 43km
• 32miles

s = d/t

If the distance is 50 meters, and the time is 5 seconds, the average speed is:

• 5 m/s

• 25 m/s

• 10 m/s

• None of the above.

Tags

NGSS.MS-PS3-1

Which of the following is a unit of speed?

• km/hr
• hr
• km
• s

The amount of matter in an object is 

• pressure
• weight
• mass
• force

Tags

NGSS.MS-PS1-1

Air resistance pushes against falling

objects and __________________.

• Speeds them up

• Keeps them afloat

• Slows them down

• Spins them

Tags

NGSS.MS-PS3-5

What is a way to measure speed?

• miles/hour
• centimenters
• hours/kilometer
• kilometers

Tags

NGSS.MS-PS3-1

When dropped from the same distance, which will fall to the floor faster?

• 
• 

Tags

NGSS.MS-PS2-4

How far will a person go if they jog for 2 hours at a speed of 12 km/hr?

• 6 km
• 0.5 km
• 10 km
• 24 km

Which of the following is a unit of time?

• km/hr
• hr
• km
• mi