Fill In The Blank
When you ride a roller coaster, ______ makes your body rise out of its seat at the top of the hill.
What is Inertia?
A push or pull that acts on an object.
What is a force?
What is a non-contact force that affects a baseball after it is thrown?
What is gravity?
An organism that makes its own food for energy.
What is a producer?
Energy due to motion.
What is kinetic energy?
Force has a strength, magnitude, and _______.
What is direction?
A force that acts at a distance.
What is a non-contact force?
What is a contact force that affects a baseball after it is thrown?
What is air resistance?
This is what all food chains/food webs start with.
What is the sun?
Energy due to position.
What is potential energy?
When an object accelerates, its ________ or ________ changes.
What is speed or direction?
The force of attraction between two objects.
What is gravity?
You build a wooden car and enter it into a down hill race. Select all that will make your car go as fast as possible.
A. make it smooth to reduce air resistance
B. make it have less mass
C. make the car have a parachute
D. make the car as heavy as possible
Correct Choices:
A and D
An animal that hunts other animals.
What is a predator?
Energy due to gravity.
What is gravitational potential energy?
Electric and magnetic forces at on different objects through a _____ or ______.
What is a push or pull?
The tendency of an object to resist any change in motion.
What is Inertia?
A ball is rolled across the four different surfaces with the same force. Which surface will slow the movement of the ball the most?
A. Tile floor
B. Paved road (black top)
C. grassy field
D. cement sidewalk
Correct Choice:
C. Grassy field
All the living and non-living things in an area and their interactions.
What is an ecosystem?
Energy due to bending or stretching.
What is elastic potential energy?
The greater the net force acting on an object, the greater the ___________ of the object.
What is acceleration?
The force that results when two materials rub against each other or when their contact prevents sliding.
What is friction?
What are two forces that affect a soccer ball after is has been kicked. (this particular soccer ball when kicked is in the air)
What is gravity and air resistance?
A diagram that combines many food chains.
What is a food web?
Frequency is to ___________, as amplitude is to ________.
What is pitch and volume?