Motion
Force
Animals!
Friction
Gravity
100
When an object changes position over time when compared with a reference point, the object is in ________
What is motion
100
The rate at which velocity changes
What is acceleration
100
This slithering reptile has no visible legs, but if you saw its skeleton, you'd think differently!
What is a snake?
100
Sledding down a snowy hill is an example of what type of fricton?
What is sliding fricton?
100
The force of attraction between two objects due to their masses.
What is gravity
200
The object that appears to stay in place
What is a reference point
200
a push or pull
What is force
200
This the term that describes reptiles whose body temperature changes as a result of the temperature of the air around them.
What is cold blooded.
200
Ball bearings are placed between wheels and axles to
What is rolling friction?
200
A British scientist who worked on forces and light.
Who is Sir Isaac Newton
300
The rate at which an object moves
What is speed
300
Scientists measure force using a ______
What is a newton
300
I can't remember....Can a mammal besides Superman fly?
What is yes....a bat is a mammal and it can fly.
300
Sand is scattered along icy roads to
increase friction
300
Describes the relationships between gravity, force, mass, and distance.
What is the law of universal gravitation
400
Total distance divided by total time
What is average speed
400
the force that results from combining all the forces exerted on an object.
What is a net force
400
Almost all mammals give birth to live young, except for this odd egg-laying mammal that inhabits Australia.
What is a platypus?
400
When force is applied to an object, but the object does not move, ___________ occurs.
What is static friction
400
This is what happens to gravitational force as two objects get further apart.
What is reduce?
500
The speed of an object in a particular direction.
What is velocity
500
When the net force on an object is not zero, the forces on the object are______________
What is unbalanced
500
Instead of bones, sharks have this squishy substance that helps give their body shape.
What is cartilage?
500
Friction occurs because the microscopic _________ and _________ of two surfaces stick to one another.
What are hills and valleys
500
The amount of matter in an object
What is mass
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