atom
This explains the three things a fire needs to continue to burn
Fire triangle
A pair of glasses and the human eye have this in common
Lens
True or false: In the absence of air, two objects with the same mass will fall at exactly the same rate
True
Fire Triangle
BONUS
This explains the three things a fire needs to continue to burn
What year was the phonograph invented?
1878
Seismic, in Greek means___
Earthquake
Where does fossil fuels get its energy
The sun
Thomas Edison
BONUS
Who invented the phonograph
Besides the phonograph, what other invention is credited to Thomas Edison?
Lightbulb
Earthquake
BONUS
Seismic, in Greek means
The bending of light rays is referred to as ___
Refraction
A compound that contains only one element of hydrogen and carbon is a
Hydrocarbon
This is the energy from an electrical charge
Electrical Energy
A change in energy from one energy to another is called
Energy Transformation
The changing from a solid to a liquid
Melting
Melting
BONUS
The changing a liquid to a solid
True or False: Early movies had sound?
False
This measures different temperatures at with different colors
Thermogram
When an objects distance is changing it is referred to as
Motion
As the temperature of liquid decreases the __ decreases
Volume
A __ __ main feature is changing from one substance to another
Chemical Reaction
1878
BONUS
What year was the phonograph invented
___ is the force that pulls an object towards the center
Gravity
Scientist use the same system of measurements, it is called
International System of Units
Who invented the phonograph?
Thomas Edison