Chapter 5 5th Grade Science

  1. The total energy of particles in matter is called ________.  

    a. heat   b. temperature   c. thermal energy
    c. thermal energy
  2. The flow of thermal energy from a warmer area to a cooler area is called __________.

    a. thermal energy   b. heat   c. temperature
    a. heat
  3. The measure of how hot or cold matter is is called _________.

    a. temperature   b. thermal energy   c. heat
    a. temperature
  4. A melting candle is the result of _________.

    A. melting adding thermal energy to turn a solid into a liquid
  5. Freezing a liquid is the result of ________.

    C. removing thermal energy to turn a liquid into a solid
  6. How is a pot of water on a stove turned into steam?

    C. boiling adding thermal energy to to turn a liquid into a gas
  7. Physical changes can change the size, shape, or state of matter.  True or False
  8. When a juice bar melts, a new kind of matter is formed?  True or False
    False. No new kind of matter is formed.
  9. Whenever matter is moved or changed, energy is involved.  True or False
  10. When a paper clip is bent, heat energy is adde.  True or False
    False.  Heat energy is given off when a paperclip is bent.
  11. Is breaking glass a physical or chemical change?
    physical - it is a change in size which is a physical change
  12. Is melting ice a physical or chemical change?
    physical - it is a change in state which is a physical change
  13. By squeezing molding clay, have you made a chemical or a physical change?
    a physical change because all you did was to change the shape
  14. In chemical changes, new types of matter are created?  True or False
  15. Can chemical changes reversed?
    no - usually chemical changes cannot be can't change the matter back to the types you had before the chemical change.
  16. which of the following might you observe in a chemical change:

    F. all of the above
  17. In a chemical reaction, if a gas is produced without adding heat is it called bubbling or boiling?
  18. When there is a temperature change - getting hot or cold without adding heat - is this a characteristic of a chemical change or a physical change?
    chemical change
  19. Are new types of matter created in physical changes? 
  20. Can physical changes usually be reversed?
    yes - physical changes usually can be reversed
  21. Is water freezing to make ice a chemical change or a physical change?
    A physical change
  22. Cutting, tearing, breaking, bending, and melting are all examples of chemical changes or physical changes?
    physical changes
  23. Freezing, boiling, evaporating, condensing, dissolving, and separating are all examples of chemical changes.  True or False
  24. Digesting candy, lead nitrate and potassium, baking soda and vinegar, a rusting hammer, and a decaying apple are all examples of __________ changes.

    a. physical
    b. chemical
    c. spiritual
    d. mental
    b chemical
  25. Melting chocolate or freezing water are examples of _____________.

    C. physical changes
  26. If you took a hammer and smashed a frozen juice bar into a hundred little pieces, would that be a physical or a chemical change?
  27. ________ is the ability to cause change.

    C. energy
  28. Do particles of matter move faster or slower at high temperatures?
  29. Degrees are a measure of _________.

    A. temperature
  30. _________ is when a gas or vapor cools and becomes a liquid.

    A. condensation
  31. Although the appearance of matter might change in a physical change, the kind of matter itself does not change.  True or False
  32. A _______ is matter made up of two or more substances that are combined physically, but keep their individual properties.

    D. mixture
  33. Some mixtures are best seperated using a change in state.  True or False
  34. Differences in density cannot be used to separate a mixture.  True or False
    False.  Differences in density can be used to separate some mixtures - remember that like mas and volume, density is a physical property of matter.
  35. Mixtures can be any combination of matter - a combination of solids only, liquids only, gases only, or a combination of any of the three.  True or False
  36. Is lemonade a mixture or a solution?
    a mixture of water lemon juice and sugar 
  37. A ________ is a mixture in which the parts are mixed together thoroughly and evenly.

    C. solution
  38. To dissolve means to mix completely by separating into particles that cannot be seen.  Dissolving forms a __________.

    C. solution
  39. The parts of a solution cannot be separated by density.  True or False
  40. is disolving a chemical change or a physical change?
  41. Can a solution be made of solids, liquids, gases or any combination of the tree?  Yes or No
  42. _______ is the measure of how much of a substance can dissolve in another substance.

    B. solubility
  43. A _________ change is a change in matter that produces a new kinds of matter with different properties.

    C. chemical
  44. Boiling an egg is an example of a physical change?  True or False
    False - it is a chemical change
  45. In a chemical change, atoms and molecules do not simply rearrange, they break apart and form new combinations with other atoms and molecules.  True or False
  46. A chemical reaction is another term for a chemical change.  True or False
  47. In a chemical reaction, the matter that you start with is called the _________.

    B. reactant
  48. The newly formed matter in a chemical reaction is called the __________.

    A. product
  49. Wood burning, fireworks exploding, and metal rusting are all examples of ________ changes.

    C. chemical
  50. The biggest clue that a chemical change is ocurring is the formation of products that have properties different from those of the reactants.  True or False
  51. During a physical reaction, the bonds that hold atoms in molecules together - chemical bonds - are broken.  New bonds form between atoms resulting in new molecules and new products.  True or False.
    False - this is what happens during a chemical reaction.  There is no such thing as a physical reaction.
  52. Energy such as light or heat is often given off when a chemical reaction takes place.  True or False
  53. Grinding up sugar is an example of a chemical change.  True or False
    False - this is a physical change
  54. Folding paper is a chemical change.  Chemical bonds are broken and new bonds are formed. Tue or False
    False - folding paper changes its shape and is a physical change
  55. Caramel is burned sugar.  Heat changes some of the sugar particles into carbon and water.  This is an example of a physical change.  True or False
    False - this is a chemical reaction or change
  56. When copper is exposed to moist air, it reacts with gases in the air to form a green coating.  This is a chemical reaction or a chemical change.  True or False
  57. When a copper tube is bent, chemical bonds are broken and new matter is created.  True or False
    False - bending a copper tube is simply a change in shape and is a physical change.
  58. When paper is burned, carbon in the paper combines with oxygen to form ash and carbon dioxide gas.  This is a chemical change.  True or False
  59. In a chemical change, the amount aof matter changes.  True or False
    False - the amount of matter stays - matter is always concerved
  60. In a physical change the amount of matter stays the same.  True or False
    True - the amount of matter in a physical or chemical change always stays the same.
Card Set
Chapter 5 5th Grade Science
Study questions for chapter 5 5th grade science - chemical and physical changes.