unit 1
Displacement is the distance and direction of an object’s change in position from...
its starting point to its final point
Friction
is a force that exists between surfaces and acts to resist motion
magnet
is an object that can attract or repel other magnets
Solubility
is the maximum amount of a substance that can be dissolved in a liquid
element
is a substance that is made up of only one type of atom
Archimedes
Discovered the concept of density and is thought to have used it to study a gold crown that belonged to a king.
Newton’s First Law of Motion
An object at rest remains at rest, and an object in motion remains in motion at a constant velocity, unless acted upon by an unbalanced force.
electroscope
is an instrument that can measure the amount of electric charge on an object
Mass
is the quantity of matter in an object
Atoms
are the basic building blocks of matter
Ibn Al-Haytham
Explained that vision was caused by light rays bouncing off an object
Newton’s second law of motion can be used...
to find the force, mass, or acceleration of an object. As long as two variables are known, the third can be identified
ferromagnetic metal
a metal that a magnet can attract, such as iron, cobalt, or nickel
melting point
The temperature at which a substance changes from a solid to a liquid
molecule
is a group of atoms bonded together with strong bonds