Give the Term
A homogenous mixture in which the solute is uniformly distributed throughout the solvent
Solution
Solvent
The substance that does the dissolving in a solution
Lemon Juice is an acid
True
Give an example of a common acid
Vinegar, Lemon Juice.. ect..
What process turns a solid into a liquid?
Heating or melting
The substance that is dissolved in a solution
Solute
Solid
A state of matter in which the substance has definite shape and volume
Toasting bread is a physical change
False, it is a chemical change - look for the color change
Give an example of a common base
Ammonia, soap ...ect..
Give two examples of a chemical reaction
Two of: light, sound, color change, creation of gas
A change in a substance where no new substances are formed but the substance will take on different characteristics. These changes are usually reversible
Physical Change
Hypothesis
An educated guess as to what will happen in an experiment
Vinegar is the universal solvent
False, water is
Give an example of a physical change
...
What is something you can do to dissolve something faster?
stirring, heating, crushing
A state of matter in which the substance takes the shape of its container and is of low density
Gas
Heterogeneous Mixture
A mixture where you can see the various parts
Sugar will dissolve faster than a jolly rancher
True
Give an example of a chemical change
...
Explain two ways of testing is something is an acid or a base
Using an indicator: litmus paper or cabbage juice
The amount of mass in a substance per unit of volume
Density
Surface Tension
Molecules of a liquid wanting to stick together creating a "skin" of a liquid
Atoms contain protons, neutrons, and negatrons
False, electrons
List one of the parts of the nucleus atom
Proton / Neutron
Put the following parts of experiments in the correct order
materials, hypothesis, procedure, conclusion, observation