In an experiment, what is the variable that you change directly?

• dependent variable
• independent variable
• artificial variable
• official variable

Tags

NGSS.MS-PS2-2

What is the final step of the scientific method?

• Ask a question
• Form a hypothesis
• Gather information
• Draw conclusions

Tags

NGSS.MS-PS1-2

2200 m = ________km

• 220
• 22
• 2.2
• 200

4 km = ______ m

• 400
• 4000
• 4444
• 0.004

If a runner runs around a 400 m track THREE times and ends up where she started, what DISTANCE has she run?

• 0 m
• 400 m
• 800 m
• 1200 m

If a jogger runs around a 400 m track TWO times and ends up where he started, what is his DISPLACEMENT?

• 0 m
• 400 m
• 800 m
• 1200 m

If a plane travels 48,000 m in 80 s, how fast is it going?

• 3840000 m/s
• 600 m/s
• 80 m/s
• 60 m/s

How long will it take a Pony Express rider to travel 24,000 m if he is traveling at a speed of 12 m/s?

• 48,000 s
• 4,800 m
• 200 s
• 2,000 s

A driver slows down from 45 m/s to 20 m/s in 5 s. What is his acceleration?

• 5 m/s^2

• -5 m/s^2

• 25 m/s

• -25 m/s^2

Tags

NGSS.HS-PS2-1

This is the force on an object due to gravity.

• force applied
• force normal
• force weight
• force friction

Tags

NGSS.MS-PS2-4