Scientific Method
Something we change in an experiment
Independent Variable
The use of science to benefit people
Technology
Properties of materials after a reaction. The material will change.
example: color and mass
Physical
The ability to cause change
Energy
Measure of the AVERAGE kinetic energy of particles
T______________
Temperature.
A group that is not tested
Control Group
Two examples of Capital
Money, Gold
Long Chains of Molecules
Polymers
Energy inside food
Chemical
Heat transfer by waves is
Radiation
First step of scientific method
Observation
Something that increases the ability to do work
Tool
The most common polymer. They are lightweight, strong, and waterproof
Plastic
The amount of energy needed to move a distance
Work
2 examples of thermal conductors
Copper, Iron, STEEL....etc
The last step of the scientific method
Communicating Results
A device that makes work easier
Machine
Ceramic, Alloys and Polymers are all m__
Modified
Gravitational potential is one type of potential energy, what are 2 other types?
Elastic and Chemical
When temperature increase , the volume of a material will increase (the material will be bigger)
Thermal expansion
Mr. Ali wants to test which ball will bounce the most.
A basketball
Tennis ball
Ping pong ball
what is the dependent variable ?
The number of bounces.
Why is it important for companies to have Capital.
To buy/purchase resources
A property that makes it suitable to build sky-scrapers in an earthquake zone.
Flexibility
What is the law of conservation of energy?
Energy cannot be created or destroyed ,
energy changes from one type to another type.
All matter is made from particles, Particles always moving and always hit each-other (collide)
Particle Kinetic Theory