Friction
How does friction affect the motion of a moving object?
Slows it down
The path of a projectile is called its ______.
trajectory
The type of force found in a bungee cord.
elastic force
This "lazy" mammal can hold its breath for up to 40 minutes.
sloth
This man was President during most of the 1980's.
Ronald Reagan
The kind of friction that acts on objects resting on a surface.
static
Which hits the ground first? A penny that is dropped off a table or one that is launched horizontally from the table?
they hit at the same time
The motion of Earth and other bodies around the sun is called ______.
orbital motion
One quarter of your bones are found in this part of your body.
foot
This famous shipwreck from 1912 was found in 1985.
Titanic
What creates friction?
Microscopic imperfections on the surface of a material
Which two forces cause the curved path of a projectile?
launch force and gravity
Which two forces cause orbital motion?
forward force & gravity
This medieval contest is the official state sport of Maryland.
jousting
What was E.T.'s favorite candy?
Reese's Pieces
Friction produces this kind of energy.
heat
If an archer wants to hit the bullseye, he should aim _____.
high / above
This scientist developed the Law of Universal Gravitation.
Newton
This nation eats more Mac n cheese than any other country in the world.
Canada
Super Mario first appeared in this 80's video game.
Donkey Kong
The kind of friction found in ball bearings.
rolling
A ball rolls down a ramp and off of the end of a table, hitting the floor. How could you make the ball land further away from the table on a re-launch?
steeper ramp, higher table
Which hits the ground first if they are dropped from the same height? A bowling ball or a baseball.
they hit at the same time
This Paris landmark was originally going to be built in Barcelona, Spain.
Eiffel Tower
This Washington volcano had a major eruption in 1980.
Mt. St. Helens