Gravity
What is the force that pulls everything on Earth toward it's center at 9.8 m/s2?
What is gravity?
If you say,"A bird is going 30mi/hr west." you are stating its _______.
What is Velocity?
Energy is?
What is the ability to do work or cause change?
Any material that attracts iron and materials that contain iron.
What is a magnet
An object at rest tends to stay at rest and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
What is Newton's First Law
If you increase the distance two objects (like a planet and a moon), what happens to the gravitational force between them?
What is decreases?
What is distance divided by time
What are the two main types of energy?
What is kinetic and potential?
This planet has a magnetic field surrounding it and two magnetic poles
What is Earth?
A baseball hit with a wooden bat goes farther than a baseball hit with a plastic bat. This is an example of which law of motion?
What is Newton's Second Law
Why do the objects in the solar system circle the Sun?
What is because it is the object in the solar system that has the most mass?
True or False: Acceleration is speeding up, slowing down, or changing directions
What is True
The difference between kinetic energy and potential energy?
What is Kinetic energy is motion and Potential energy is stored energy due to it's position (height).
Invisible lines that map out the magnetic field around a magnet.
What are magnetic field lines
What is Newton's Second Law of Motion
F = ma. (Force = Mass x Acceleration)
This is the measure of how strong the force of gravity pulls on an object.
What is weight?
Biff’s hovercraft glides down a 10 m track in 2 seconds. Calculate his speed.
s = d/t
s = 10m/2.0s
s = 5 m/s
What is s = 5 m/s ?
What two things affect the kinetic energy of an object?
What are mass and velocity?
The direction compasses always point toward
What is North?
The slingshot was pulled back and the rock propelled forward. This is an example of which law of motion?
What is Newton's Third Law
Would you have more mass on Earth or floating in space?
What is your mass would not change?
A family decided to take a road trip from Illinois to Colorado, covering 1650 mi. If they travel an average of 55 mph, calculate the duration of their trip.
t = d/s
t = 1650 mi/55 mph
t = 30 hrs
What is t = 30 hours?
State the law of conservation of energy
What is energy cannot be created nor destroyed, only changed in form.
Magnets are created when all of these subatomic particles in their atoms line up.
what are electrons?
If object A exerts a force on object B, then object B does what, according to Newton's 3rd law?
also exerts an equal force on object A