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Physical and Chemical Prop.
Physical and chemical properties and changes
24
Science
6th Grade
08/27/2006

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Cards

Term
Matter
Definition
anything that has mass and takes up space.
Term
Chemistry
Definition
study of the properties of matter and how matter changes.
Term
Substances
Definition
single kind of matter that has distinct physical and chemical properties.
Term
Physical property
Definition
characteristic of a substance that can be observed without changing the substance into something new.
Term
Chemical property
Definition
characteristic that is observed when a substance interacts with another substance. Create a new substance.
Term
Element
Definition
is a substance that cannot be broken down into any other substances by chemical or physical means. Examples are Oxygen, Helium, Hydrogen, Carbon
Term
Compound
Definition
substance made of two or more elements chemically combined in a set ratio or proportion. For example, H2O, CO2, NaCl
Term
Mixture
Definition
is made from two or more substances, elements, compounds, or both that are in the same place but are not chemically combined. Examples are salad or trail mix.
Term
Physical change
Definition
a change that alters the form or appearance of a material but does not make the material into another substance.
Term
Chemical change
Definition
change in matter that produces a new substances.
Term

Energy

Definition
 
the ability to do work or produce a change.
Term
Potential energy
Definition
is stored energy in an object. All matter has potential energy.
Term
Kinetic energy
Definition
is the energy possessed by a moving object.
Term
Mechanical energy
Definition
 
Is related to motion or position of matter.  Energy of motion
Term
Sound Energy
Definition
Occurs when the atoms in a gas, liquid or solid vibrate in a direction outward from a sound source.
Term
Thermal Energy
Definition
The energy of moving or vibrating molecules. The faster the molecules move or vibrate, the hotter the object becomes. Also called heat energy.
Term
Chemical Energy
Definition
Energy that is stored in the chemical bonds holding the atoms of a compound together.
Term
Radiant Light Energy
Definition
 
 produced when atoms absorb energy from an outside source and release it as electromagnetic radiation.
Term
Electrical Energy
Definition
Energy of moving electrons
Term
Elastic Energy
Definition
 
Energy stored in a solid object when it is either stretched bent, twisted or compressed.
Term
Nuclear Energy
Definition
Form of energy stored in the nuclei of atoms.
Term
Forms of Potential Energy
Definition

Chemical energy

Elastic Energy

Nuclear Energy

Term
Forms of Kinetic Energy
Definition

Thermal Energy

 Electrical Energy

Mechanical Energy

 Sound Energy

Radian Light Energy

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