Energy and Matter chapter 4 - Science

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Energy and Matter chapter 4 - Science
2015-11-09 22:18:44
Science Chapter
ASLS Chapter 4 test
Science Chapter 4 test - Energy and Matter
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  1. Forms of energy related to changes in matter may include 6 types of energy - list the 6 kinds
    • Kinetic
    • Potential
    • chemical
    • electromagnetic
    • electrical
    • thermal energy
  2. Energy of matter in motion is called ______
    Kinetic energy
  3. Energy an object has because of its position is called ________
    potential energy
  4. The internal energy stored in the chemical bonds between atoms is a form of potential energy that is sometimes called __________
    chemical energy
  5. A form of energy that travels through space as waves is called __________
    electromagnetic energy
  6. The energy of electrically charged particles moving from one place to another is called _______
    electrical energy
  7. In electrolysis, two metal strips called ________ are placed in a solution, but do not touch.
  8. During a chemical change, chemical energy may be changed to other forms of ________.  Other forms of _______ may also be changed to chemical energy
    • energy
    • energy
  9. The study of the properties of matter and how matter changes.
  10. 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.
  11. Every forms of matter has two kinds of properties -  _________ properties and ________ properties
    • physical
    • chemical
  12. Anything that has mass and takes up space is called __________
  13. ___________ is a characteristic of a pure substance that can be observed without changing it into another substance.
    Physical Properties
  14. ____________ can be used to classify matter.
    Physical Properties
  15. Describe the 4 ways you can classify a physical property
    Physical state, texture and color and flexibility
  16. A characteristic of a pure substance that describes its ability to change into different substances.
    Chemical Property
  17. The ________ property of different forms of matter cannot be observed without changing a substance into a new substance.
  18. An ________ is a pure substance that cannot be broken down into any other substance by chemical or physical means.
  19. _______ are the simplest substances
  20. An ________ is the basic particle form which all elements are made.
  21. When atoms combine, they form a _________, which is a force of attraction between two atoms.
    chemical bond
  22. Atoms combine to form larger particles called ___________
  23. A pure substance made of two or more elements chemically combined in a set ratio is called a _________
  24. A compound may be represented by ____________, which shows the elements in the compound and the ration of atoms.  For example:  H20
    chemical formula
  25. When elements are chemically combined, they form compounds having ________ that are different from those of the uncombined elements.
  26. A _______ is made of two or more substances - elements, compounds or both - that are together in the same place but are not chemically combined.
  27. In a _________ mixture, you can see the different parts
  28. In a ____________mixture, the substances are so evenly mixed that you can't see the different parts.
  29. A ________ is when a substance dissolves and it is an example of a homogeneous mixture
  30. You can use the properties of a mixture's components to separate them.  Name four methods to separate mixtures
    • magnetic attraction
    • filtration
    • distillation
    • evaporation
  31. The measure of the force of gravity on you is called ________
  32. The ________ of an object is the measurement of the amount of matter in the object.
  33. Unlike weight, ______ does not change with location, even when the force of gravity on an object changes.
  34. To measure the properties of matter, scientists use a system called the ________
    International System of Units (SI)
  35. The amount of space that matter occupies is called _________
  36. Common units of volume include the ________, _________ and _________
    • liter
    • milliliter
    • cubic centimeter
  37. What is the formula to calculate the volume of an object
    volume = length x width x height
  38. ________ relates the mass of a material in a given volume
  39. What is the formula for determining density of matter
    density = mass divided by volume
  40. 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 ________
    physical change
  41. A substance that undergoes a ______ change is still the same substance after the change.
  42. A chance in matter that produces one or more new substances is a ________
    chemical change
  43. A chemical change produces a new ________ with properties different from those of the original substance
  44. The fact that matter is not created or destroyed in any chemical or physical change is called the _____________
    Law of Conservation of mass
  45. The ability to do work or cause change is called _________
  46. Every chemical or physical change in matter includes a change in __________
  47. A measure of the average energy of random motion of particles of matter is ________
  48. the total energy of all of the particles in an object is called ________ energy
  49. A change in which energy is taken in - such as the melting of ice is called ________ change
  50. An ________ change releases (or gives off) energy - such as heat from a wood fire
  51. Every form of matter has two kinds of properties - name the two types of properties
    • physical 
    • chemical

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