Intro to Physics

What is physics?

• The answer to the questions of life, the universe and everything

• The study of matter

• The study of matter and energy and their relationships

• The study of inheritance

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

NGSS.MS-PS3-2

What is an hypothesis

• a guess

• a testable, possible explanation for a problem

• an observation

• a question

Tags

NGSS.MS-LS1-5

What is a scientific theory?

• an explanation of things or events based on knowledge gained from many observations and investigations

• what you think happened

• a statement about what happens and seems to be true all of the time

• Bob

If you are designing an experiment to investigate how different kinds of wheels accelerate down a ramp, which is the dependent variable?

• acceleration of the wheel

• radius of the wheel

• type of wheel

• steepness of the ramp

Tags

NGSS.HS-PS2-1

If you are designing an experiment to investigate how different kinds of wheels accelerate down a ramp, which is the independent variable?

• acceleration of the wheel

• radius of the wheel

• type of wheel

• steepness of the ramp

Tags

NGSS.MS-ETS1-1

How many significant figures are in the following measurement? 0.00003m

• 1

• 5

• 6

• 7

How many significant figures are in the following measurement? 54.01km

• 1

• 4

• 3

• 7

How many significant figures are in the following measurement? 4.80 x 10⁸kg

• 1

• 4

• 3

• 6

Convert 1.8 hours to minutes.

• 108 minutes

• 110 minutes

• 0.03 minutes

• 33.33 minutes

Which is the most precise measurement?

• 1.2234g

• 1.0g

• 1.22g

• 1g