1
The amount of matter that is inside something is known as its ______________.
mass
The three states of matter are:
solid, liquid, gas
Which two states of matter do NOT have specific form or shape, but take on the shape of the container they are held in?
liquid and gas
The smallest particle of an element that keeps the same properties of the element is called
atom
The temperature that a solid changes into a liquid is known as its
melting point
What is the charge of a proton?
positive
What is the charge of an electron?
negative
A substance that is made up of only one kind of atom is called
element
A solid with a regular, repeating arrangement of atoms is called
crystal
Which kind of reaction changes a substance’s structure so much that it causes it to become a completely different substance?
chemical
What do you call a mixture that is well mixed and the individual parts are NOT easily seen as separate?
homogenous
Which of Newton’s laws states that objects at rest tend to stay at rest and objects in motion tend to stay in motion in a straight line unless acted upon by a force?
first
Which of Newton’s laws states that for every action there is an equal and opposite reaction?
third
True or false: Lubricants are designed to increase friction and traction.
false
The two kinds of invisible light that are found at each end of the electromagnetic spectrum are:
ultraviolet and infrared
Newton’s laws of motion explained the concept of ___________, which is the tendency of things to become less and less ordered.
entropy
True or false: Electricity that is produced inside a battery is called alternating current.
false
The region around a magnet that produces a magnetic force is called a magnetic _____________.
field
The freezing point of water is what in degrees Fahrenheit
32F
What lever has the fulcrum in the center and the load and effort on opposite sides?
first class
The boiling point of water is what degrees in Fahrenheit?
212 F
What do you call an inclined plane that is wrapped around a cylinder or cone?
screw
The fire triangle is made of three required ingredients, which are
oxygen, fuel, heat
Vibrations that travel through a material from a source are called
sound
________________ is a force that resists movement between two objects.
friction