what is an independent variable?
a variable that stands alone and isn't changed by the other variables you are trying to measure.
Name a metal
What was the project in this unit?
Mouse trap carts
what is an energy produced by water?
hydro energy
hydroelectric energy
What is Domain 5 about
Waves
what is lab safety?
recognizing and evaluating hazards, assessing risks, selecting appropriate personal protective equipment, and performing the experimental work in a safe manner
what was the project for this domain?
Hot air balloons
What is velocity
the speed of something in a given direction.
Solar energy
What is a wavelength?
the distance between successive crests of a wave
What is scientific method
the process of objectively establishing facts through testing and experimentation.
what is an atom?
the basic unit of a chemical element.
what is speed
how fast an object is moving
What project did we complete in this domain?
Circuit Cars
What is a sound Wave?
a wave of compression which sound is brought through
what is a dependent variable?
hat you measure in the experiment and what is affected during the experiment
what is matter?
Matter is stuff
Matter is a substance made up of various types of particles that occupies physical space and has inertia
what is pressure?
continuous physical force exerted on or against an object by something in contact with it.
a roughly circular line, route, or movement that starts and finishes at the same place.
Which is the medium through which sound waves move the fastest?
Solids.
Why is it important to have a control group?
without it there would be no experiment
What is the symbol W on the periodic table?
Tungsten
What is density?
How much space an object or substance takes up in relation to the amount of matter in that object or substance
What is Energy
the strength and vitality required for sustained physical or mental activity.
Sound waves are called mechanical waves. Why?
Mechanical waves are the type of waves that need a medium to transmit their energy from one region to another region. Sound strictly requires a medium and cannot propagate through vacuum.