What is a hypothesis ?
A possible explanation for an observation
Matter is anything that takes up space and has mass
What is the definition of velocity
It is the speed and direction of a moving object
Is natural gas a renuable source ?
No
What do waves do ?
What is a dependent and independent variable ?
Dependent - Stands alone / not changed
Independent - Changeable / one being controlled
What is an atom ?
An atom is a small particle that builds up matter
What is constant speed ?
It is the same amount of distance traveled each second
Is coal a renewable source
No
What is a crest
It is the highest point on a transversal wave
Scientific Law
A rule that explains a repeatable pattern in nature
In which group are Alkali metals found on the periodic table of elements?
They are found in Group 1
What is an example for instantaneous speed ?
_________________
wind energy
solar energy
nuclear energy
coal
ect.
What is the wave that can travel through empty space and through matter
An Electromagnetic wave
What is scientific theory
An explanation to observations based on knowledge from data
What is Physical change (state all ways it changes)
- Shape
- Size
- Form
- State of matter
What is the formula for average speed
Total distance / Total time
What type of energy is the cheapest, Why ?
Solar energy because it is the most renewable
what are the lowest points on a wave called ?
Throughs
What are the 5 things you should wear / not wear during a lab
- Hair pulled back
- closed toed shoes
- gloves
- goggles
- no loose clothing / accesories
What is a homogeneous mixture
It is a substances that its idividual substances are evenly mixed
Solve for average speed : Emily takes 30s to travel 60m to her friends house, what was her average speed?
2m/s
Is geothermal energy Dependent or Independant, why ?
It is dependent, does not rely on the sun of wind
What are rarefactions ?
The regions of a longitudinal wave where the particles are farthest apart.