Chemical & Physical chganes
Baking a cake is an example of ______ change?
What is a chemical change
Brewing tea would be an example of what kind of mixture?
Homogeneous Mixture
definition for matter is...
What is something that takes up space and has mass?
You measured the side of a cube to be 5cm. What is its volume?
125cm^3
To change a substance from one state to another, energy must be
The amount of space per given volume is best defined as?
Density
What is a change that produces new substances with new properties
What is a chemical change?
What is a substance that cannot be broken down into other substances by heat, light, or electricity
What is an element?
What mixture best describes a fruit salad
What is an example of a heterogeneous mixture?
The change from a solid state directly to a gas is called?
What is Sublimation
What is the equation for finding Mass
M=D*V
What is a process that produces one or more substances that are different from the original substances
What is a chemical REACTION?
The name for a substance that has two or more atoms combined is called a
What is a compound or molecule.
True or False: The substances that make up a mixture lose some of their properties?
False, they retain their properties and can be physically separated out.
Four signs of a chemical change occurred are
What color change, odor, fizzing, production of heat, light, sound, burning (flammability), reacting, etc...?
Physical property that has given mass in an certain amount of volume is called
What is density?
Elements and compounds are considered what kind of substance?
What is a Pure Substance
Matter cannot be created or destroyed is what law?
What conservation of mass?
Iron and sand combined in a bowl can most easily be separated using the physical property of
What is magnetism?
What is the change of state from a gas directly to a solid?
What is Deposition
the "ability" to dissolve in another substance is called
What is solubility?
solid, liquid, gas, plasma are all called what physical property
What is the states of matter?
Definition of weight (include the units)
What is the mass of an object taken into account with its' GRAVITATION PULL? Unit is a Newton (N), NOT grams or Kilograms
Changes when exposed to an acid can be classified as a _________ change.
What is a chemical change?
What is The movement of the particles increase as well as the space between them.