Unit 1
Published a book on light and optics and formulated mathematical equations to describe his law of gravitation
What is Isaac Newton?
A force that acts through a touch
What is contact force?
A type of wave made of electric and magnetic fields that does not need a medium to travel
What is electromagnetic wave?
A change in a substance’s chemical composition
What is chemical change?
A pure substance that is formed when atoms of different elements come together
What is compound?
Roman scientist whose book on astronomy was the leading text in astronomy for over a thousand years
What is Ptolemy?
A force that acts through a distance by a field
What is field force?
Form of energy relating to an object’s position or arrangement
What is potential energy?
A characteristic of a substance that can be observed and/or measured without altering the substance’s identity
What is physical property?
A mixture in which the parts are not evenly distributed throughout the entire mixture
What is heterogeneous mixture?
Developed an equation that related how much a spring would stretch in relation to the mass and the strength of the spring
What is Robert Hooke?
The sum of all the forces acting on an object
What is net force?
How much distance a wave covers in one cycle
What is wavelength?
A characteristic of a substance that can only be observed when it changes during a chemical reaction
What is chemical property?
A mixture in which the substances are evenly distributed
What is homogeneous mixture?