1. REVIEW

2.  Prediction:

3.  A guess of what will happen

4.  Hypothesis:

5.  An educated guess

6.  Observation:

7.  Using your senses to collect information

8.  Vial:

9.  A small glass container to hold liquids

10.  Liquid Solution:

11.  A mixture in which one substance dissolves in another

12.  Variable:

13.  Something that is changed in an experiment

14.  Control Factors:

16.  Something that is not changed in an experiment

17.  Diffusion:

18.  A gradual mixing together of liquids or gas

19.  Density:

20.  The amount of matter in a certain volume

21.  Contaminate:

23.  To make unclean

24.  Mrs. Davidson wants to see what material is more dense, orange or purple. She puts a drop of purple in the orange vial and it goes down. She puts a drop of orange in the purple vial and it goes down. Mrs. Davidson concludes that the orange is more dense than purple. Is she correct?

25.  When you mix different colored concentrates of the same density, the order in which you add colors matters.

26.  Liquids that are less dense sink to the bottom

27.  Liquids that are more buoyant sink to the bottom

28. Drops/LiquidsBlueGreenBrown Blue Green Brown Green Blue