Matter
General or specific
What is energy?
The capacity of matter to produce change
Where do humans store and transport energy?
What does a switch do?
Turns the output device on or off
Are bots or robots virtual?
Bots
What is each type of matter called?
A substance
What type of energy does a moving object have?
Kinetic
If energy transforms without being created or destroyed, what characteristic is that?
a) transformation
b) conservation
c) transfer
conservation
What does a generator produce?
Electricity
Is a pulley a structure or mechanism?
Mechanism
What are the two general properties of matter?
Mass and volume
What type of energy do batteries have?
Electrical
Heat is an example of what type of energy?
a) transformation
b) conservation
c) transfer
transfer
Fill in the blanks: Wires carry electricity from the __________ to the ____________.
From the generator to the output device
Is a bridge a structure or mechanism?
Structure
What are the three states of matter?
Liquid, solid, gas
What type of energy is biomass?
Chemical
If energy changes from kinetic to electric, which characteristic is that?
a) transformation
b) conservation
c) transfer
Transformation
Which characteristic of energy does an output device do?
a) transform energy
b) conserve energy
c) transfer energy
a) transform energy
What creates resistance?
When an object moves in the air
Fill in the blanks: Density = ____________ / _____________
Mass/volume = density
Give one example of non-renewable energy and one example of renewable energy.
Example:
Non-renewable: fossil fuels, coal, gas, oil
Renewable: wind, sun, water
What type of energy transformation happens at a solar power plant?
luminous --> electrical
What are the four parts of an electrical circuit?
Output device, wires, switch, generator
Classify the machines as simple or rotating:
a) pulley system
b) lever
c) screw
d) gears
a) pulley system - ROTATING
b) lever - SIMPLE
c) screw - SIMPLE
d) gears - ROTATING