Unit 1
What is the definition of speed?
The ratio of distance moved to total time required to move that distance.
What is the effect of a person rubbing their hands together?
Friction
The measure of how hard it is to stop an object is called?
Kinetic energy
What are states of matter also called?
Phases
Lemonade is an example of which mixture?
Homogeneous mixture
Velocity is...
An engine pushes a car forward and air pushes it back is an example of?
The height of a glider plane in flight will have which type of energy?
Potential energy
What two concepts are related to motion?
Energy and temperature
Which type of matter is reactive?
Compound
What is the speed of light?
About 186,000 miles per second
When one team is winning a game of tug-of-war, it is an example of?
Unbalanced forces
How does light travel?
Straight lines
Which has more energy - liquid or solid?
Liquid
What are the basic building blocks of matter?
Atoms