Energy and Matter chapter 4 - Science
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Energy and Matter chapter 4 - Science
ASLS Chapter 4 test
Science Chapter 4 test - Energy and Matter
Forms of energy related to changes in matter may include 6 types of energy - list the 6 kinds
Energy of matter in motion is called ______
Energy an object has because of its position is called ________
The internal energy stored in the chemical bonds between atoms is a form of potential energy that is sometimes called __________
A form of energy that travels through space as waves is called __________
The energy of electrically charged particles moving from one place to another is called _______
In electrolysis, two metal strips called ________ are placed in a solution, but do not touch.
During a chemical change, chemical energy may be changed to other forms of ________. Other forms of _______ may also be changed to chemical energy
The study of the properties of matter and how matter changes.
In chemistry, a _________ is a single kind of matter that is pure, meaning it always has a specific makeup - or composition - and a specific set of properties.
Every forms of matter has two kinds of properties - _________ properties and ________ properties
Anything that has mass and takes up space is called __________
___________ is a characteristic of a pure substance that can be observed without changing it into another substance.
____________ can be used to classify matter.
Describe the 4 ways you can classify a physical property
Physical state, texture and color and flexibility
A characteristic of a pure substance that describes its ability to change into different substances.
The ________ property of different forms of matter cannot be observed without changing a substance into a new substance.
An ________ is a pure substance that cannot be broken down into any other substance by chemical or physical means.
_______ are the simplest substances
An ________ is the basic particle form which all elements are made.
When atoms combine, they form a _________, which is a force of attraction between two atoms.
Atoms combine to form larger particles called ___________
A pure substance made of two or more elements chemically combined in a set ratio is called a _________
A compound may be represented by ____________, which shows the elements in the compound and the ration of atoms. For example: H20
When elements are chemically combined, they form compounds having ________ that are different from those of the uncombined elements.
A _______ is made of two or more substances - elements, compounds or both - that are together in the same place but are not chemically combined.
In a _________ mixture, you can see the different parts
In a ____________mixture, the substances are so evenly mixed that you can't see the different parts.
A ________ is when a substance dissolves and it is an example of a homogeneous mixture
You can use the properties of a mixture's components to separate them. Name four methods to separate mixtures
The measure of the force of gravity on you is called ________
The ________ of an object is the measurement of the amount of matter in the object.
Unlike weight, ______ does not change with location, even when the force of gravity on an object changes.
To measure the properties of matter, scientists use a system called the ________
International System of Units (SI)
The amount of space that matter occupies is called _________
Common units of volume include the ________, _________ and _________
What is the formula to calculate the volume of an object
volume = length x width x height
________ relates the mass of a material in a given volume
What is the formula for determining density of matter
density = mass divided by volume
any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance is called a ________
A substance that undergoes a ______ change is still the same substance after the change.
A chance in matter that produces one or more new substances is a ________
A chemical change produces a new ________ with properties different from those of the original substance
The fact that matter is not created or destroyed in any chemical or physical change is called the _____________
Law of Conservation of mass
The ability to do work or cause change is called _________
Every chemical or physical change in matter includes a change in __________
A measure of the average energy of random motion of particles of matter is ________
the total energy of all of the particles in an object is called ________ energy
A change in which energy is taken in - such as the melting of ice is called ________ change
An ________ change releases (or gives off) energy - such as heat from a wood fire
Every form of matter has two kinds of properties - name the two types of properties