Scientific Method
What is an independent variable?
The variable that is deliberately changed
SI unit for length
Meter (m)
How do you find Speed?
S=d/t
Which way is the box moving and by how much?
10N > [] < 5N
5N >
How many different laws are there?
3
What are the sources of error?
Measurement
Calculations (Rounding)
Materials
Outside sources
SI Unit for Force
Newtons (N)
How do you find Velocity? (using Momentum)
v=p/m
Which way is the box moving and by how much?
14N > [] < 20N
6n <
What is Newton's 1st Law?
An object at rest remains at rest and an object in motion remains in motion unless acted upon by and outside force.
What is the scientific method?
Observe
Form a question
Hypothesis
Controlled experiment
Data/Analysis
Conclusion
SI Unit for speed
Meter per Second (m/s)
How do you find Acceleration? (using force)
a=f/d
Which way is the box moving and by how much?
5N > [] < 5N
No Movement
What is Newton's 3rd Law?
For every action, there is an equal and opposite reaction.
Why are some experiments not possible?
Things that can be tested by observation
Ethics
SI Unit for Acceleration
Meter per Second 2 (m/s2)
How do you find Final Velocity?
vf= vi+at
Which way is the box moving and by how much?
4.5N > [] < 3.6N
0.9N >
What is Newton's 2nd Law
F=ma
What are the differences between Quantitative and Qualitative?
Quantitative is numbers obtained by counting or measurements.
Qualitative is descriptive and involved characteristics that cannot be usually counted.
SI Unit for Temperature
Kelvin (k)
How do you find Time? (using acceleration)
t=vf-vi/a
Which way is the box moving and by how much?
5.7x105 > [] < 1.02x107
9630000N <
What is Inertia?
The tendency of an object to resist a change in motion unless an outside force acts on the object.