Vocabulary
A push or a pull
force
This is the unit for force
N or Newtons
Our model using balloons was built to demonstrate these two forces.
action and reaction
What is the largest bird in the world?
Ostrich
The scientific word for speed, or how fast something is moving
velocity
the point of view you see something from
reference frame
These kinds of forces cause motion
unbalanced
Why do we need models to study things like atoms and cells?
they are too small to study effectively
What is Miss Rohn's favorite soda?
Dr. Pepper
Number lines are helpful when describing motion because the numbers act as these.
reference points
a change in position
motion
the force that pulls everything toward the center of the Earth
gravity
Why are models helpful for studying complicated things?
they simplify ideas
Which planet in our solar system is known as the "Red Planet"?
Mars
This term describes how I can see a motion, and you might see it differently depending on where you are.
relative motion
Something we can create to help us understand things that are too big, too small, or too complicated to observe effectively.
Model
This term describes the total amount of force acting on one object.
net force
What are two pros to using a model of the solar system?
-order of planets
-motion of planets
-shrinks something that's too big
What month is Miss Rohn getting Married in?
November
A ball moves 20 meters every 5 seconds. How how fast is it going?
4 m/s
Newton's Third Law says that every action has a _____ and _____ reaction
equal, opposite
see slide for question
see slide for answer
Name two cons of using models in general.
-oversimplify
-not fully accurate
-risk misinterpretation
What is the largest organ in the human body?
skin
a change in speed or direction
acceleration