Newton’s Laws
Newton’s First Law is also called the Law of ______
Inertia
A push or pull on an object is called a ______
Force
A testable prediction is called a _______.
Hypothesis
What law explains why seatbelts keep you safe in a car crash?
Newton’s First Law
The scientist who came up with the three laws of motion.
Isaac Newton
Force = Mass x ______
Acceleration
If you know both the distance and object traveled and the time it took, what can you calculate?
Speed
The factor you change in an experiment is the _____ variable.
Independent
You push a shopping cart with more groceries. Why is it harder to move?
More mass=more inertia
A measure of how fast something moves.
Speed
Which of Newton’s laws explains why you move backward when you jump off a skateboard?
3rd Law (Action/Reaction)
Speed in a specific direction is called ______.
Velocity
The factor you measure in an experiment is the _______ variable.
Dependent
Why does a soccer ball eventually stop rolling?
Friction/ Unbalanced Force
A guess based on observations.
Hypothesis
An object at rest will stay at rest unless acted on by a ______.
Force
What kind of friction occurs when an object slides over a surface?
Sliding friction
The group that does not get the independent variable is the _____ group.
Control
A hammer hits a nail. The nail pushes back on the hammer. Which law is this?
Newton’s Third Law
What’s the unit for mass?
Kilogram or KG
Which law explains why rockets launch upward?
Newton’s Third Law
If a car goes 60 km in 2 hours, what is its average speed?
30 km/hr
What is the last step of the scientific method?
Conclusion or Communicate Results
What force keeps planets orbiting the sun?
Gravity
Which step of the scientific method comes right before making a hypothesis?
Research/Observation