Ch.1
Ch.2
Ch.3
Ch.4-5
Ch.6
100
An organized set of investigation procedures.
What is scientific method
100
A description on how far an object has moved
What is distance
100
A force that opposes the sliding motion of two surfaces.
What is friction
100
A machine that does work with only one movement.
What is simple machine
100
Electrically heated coils placed in floors and in walls heat the surrounding air by conduction.
What is electric heating system
200
An explanation of things or events based on knowledge gained from many observations and investigations.
What is theory
200
Distance times time
What is motion
200
An attractive force between two objects.
What is gravity
200
Two or more simple machines that work together.
What is compound machine
200
A fan blows warm air through a series of large pipes called ducts.
What is forced air systems
300
An exact quantity that people agree to use to compare measurements.
What is standard
300
The tendency of an object to resist any change in its motion.
What is inertia
300
A measure of the amount of matter an object contains.
What is mass
300
The ratio of the output force to the input force.
What is mechanical advantage
300
A closed metal container that contains hot water or steam.
What is a radiator
400
A statement about what happens in nature.
What is scientific law
400
Includes the speed of an object a and the direction of its motion.
What is velocity
400
Opposes the motion of objects that move through the air.
What is air resistance
400
Materials inside a building absorb radiant energy from the sun.
What is passive solar heating
500
Tests the effect of one thing on another using controlled conditions.
What is experiment
500
The rate of change of velocity.
What is acceleration
500
The product of its mass and velocity.
What is momentum
500
Use solar collectors that absorb radiant energy from the sun.
What is active solar heating
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