The branch of science that is not a natural branch of science.
Life, Earth, Physical, Social
What is Social
100
If you move a substance from one container to another and its volume changes, the substance is a ______________
What is liquid
100
The unit for mass is
What is amu (atomic mass unit)
100
The slope of a line on a distance/time graph is
What is speed
100
_________________ is conserved when two objects collide in a closed system
What is momentum
200
The building block of all matter?
What is atoms.
200
Forces of attraction limit the motion of particles monist in a _______________
What is solid
200
The element found in nature only in compounds
What is Sodium
200
The rate at which velocity change is called
What is acceleration
200
The SI unit of power is the
What is Watt
300
The statement that summarizes a pattern found in nature.
What is Scientific Law.
300
__________________ is the law that states the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant.
What is Charles Law
300
To keep them from reacting, some highly reactive elements are stored in ____________
What is argon
300
Objects in free fall near the surface of the Earth experience
What is constant acceleration
300
An ax is an example of a
What is wedge
400
0.0000078 written in Scientific Notation
What is 7.8 x 10 (to the sixth power)
400
The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is called ________________
What is sublimation
400
At room temperature none of the metals are gases?
True or False
What is true
400
The SI unit for force is the
What is newton
400
The power of a machine measures the rate of doing ______
What is work
500
A substance that is made up of only one kind of atom
What is element
500
The standard on which the atomic mass unit is based is the moss of a
What is carbon 12 atom
500
List the elements that contain only metals
What is tin, copper, and cesium
500
When an unbalanced force acts on an object, the object