Physical Science Semester 1 review

What is the final step of the scientific method?

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

Tags

NGSS.HS-PS1-2

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

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

Tags

NGSS.MS-PS3-4

2200 m = ________km

• 220
• 22
• 2.2
• 200

4 km = ______ m

• 400
• 4000
• 4444
• 0.004

25 dg =_________mg

• 2.5
• .025
• 25000
• 2500

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

Tags

NGSS.MS-PS3-1

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

A positive acceleration is associated with an object _________.

• speeding up
• slowing down
• moving at a constant speed
• none of these

What is the first step of the scientific method?

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

Which of Newton’s laws states that for every action, there is an equal and opposite reaction?

• First Law
• Second Law
• Third Law
• None of these

Tags

NGSS.MS-PS2-1