1. Science Vocabulary Bing Density/Ch. 2/Ch. 3 Matter

2. A property of liquids. A Liquids resistance to flowing is ________. Syrup, Honey and Ketchup all have a very high _________. =Viscosity

3. This graph shows what kind of relation ship Directly Proportional

4. Density, hardness, texture, state of matter, boiling point and color are examples of… =Physical Properties (of matter)

5. _______ particles move freely, collide and take up all available space. They move extremely fast (even faster when the temp increases) =Gas

6. A shrinking puddle is an example The added energy from the sun for example allows some of the water molecules on the surface of the puddle to escape into the air. =evaporation

7. A __________ has a definite shape and definite volume. Particles Vibrate They are locked in a tight pattern =Solid

8. Change in state from Liquid to Solid = Freezing

9. ____________ is the measure of the average energy of random motion of particles of matter. =Temperature

10. Anything that has mass and takes up space… =matter

11. What kind of relationship does the graph represent?

12. An _________ is a pure substance that cannot be broken down into any other substances by chemical or physical means. Examples Oxygen, Nitrogen, Hydrogen, Gold =Element

13. A compound can be represented by a ____________ ___________, which shows the elements in the compound and how many atoms are present. =chemical formula

14. Change from a liquid to a Gas =Vaporization

15. “A substance that flows”. Examples= Liquid and Air =Fluid

16. Change of state when a substance goes straight from a Solid to a Gas Example= Dry Ice =Sublimation

17. Change of state from a Gas to a liquid is __________. (They lose thermal energy) =Condensation

18. When pressure goes down, volume goes down.

19. When Temp increases, Volume increases. This is Charles’s Law

20. A __________ __________ is a characteristic of a pure substance that describes its ability to change into different substances. =Chemical properties

21. Atoms that are held together by chemical bonds form larger particles called … =molecules

22. If a piece of metal has a mass of 50 grams and a volume of 2 cubic centimeters, what is its density? =25 grams/cubic centimeter

23. An _______ is the basic particle from which all elements are made. =atom

24. When a solid substance begins to turn into a liquid? =Melting Point

25. What kind of energy is stored in the foods you eat, and in the cells of your body? =Chemical Energy

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. =mixture

27. When Pressure goes up, volume goes down. What law is this?

28. The amount of space an object takes up is its… Length X Width X Height = =Volume

29. This form of energy travels through space in the form of waves. =one form Is visible light =electromagnetic energy

30. What is the force that holds two atoms together in a chemical formula (compound)? =chemical bond

31. The __________ of a gas is the force of its outward push divided by the area of the walls of the container. = Pressure

32. A _______ _______ is any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance. Example water changing from a liquid to gas =Physical Change

33. How do you calculate the volume of an irregularly shaped object? =Water Displacement

34. The amount of particles packed into a given amount of space The formula is Mass Volume =Density

35. The substances in a _________ __________ you can not see the different parts. =homogeneous mixture

36. The fact that matter is never created or destroyed in any chemical or physical change is called the… =law of conservation of matter

37. Solid particles that are not arranged in a strong pattern. Example: Rubber Sometimes Flexible =Amorphous Solid

38. A _________ is a pure substance made of two or more elements chemically combined in a set ratio. =compound

39. The metric system (also known as the international system of units or “SI”) is based on the number…. =10

40. _______ _______ is the total energy of all of the particles in an object. =Thermal Energy

41. A ________ has a definite volume but NO shape of its own. Particles flow, and move past one another. They do not have a definite pattern. =liquid

42. _______ is the ability to do work or cause a change. = Energy

43. A _________ _______ is a change in matter that produces one or more new substances… Example…mixing sulfuric acid and sugar and a new substance charcoal is formed. =Chemical Change