Fall Quarterly Review 2011

Graph Review Direct Complex Inverse

Graph Review Dependent Independent

Your Turn! Name the relationship COMPLEX

Your Turn! Name the Independent Variable WAVELENGTH

Your Turn! Name the Dependent Variable ABSORPTION

Your Turn! Name the relationship DIRECT

Your Turn! Name the Independent variable MONTHS

Density Review Density = mass / volume (matter) (space) ÷

Your Turn A rock with a mass of 40 g was placed into a graduated cylinder to calculate its volume. What is the density of the rock? Volume= 40-30=10 40/10= 4 g/mL

Your Turn Sponge Bob, who has a mass of 16 g, squeezed himself into a graduated cylinder to calculate his volume. What is the density of the Sponge Bob? Volume= 52-50=2 16/2= 8 g/mL Counting by 2

Atom Review

Your Turn! Are electrons in the nucleus or outside the nucleus?

Your Turn! What charge do electrons have?

Your Turn! What charge do neutrons have? NONE

Your Turn! What other part of the atom has the same mass as the neutron? PROTON

Your Turn! What part of the atom determines what element it is? PROTON

Your Turn! What part of the atom must always be the same for each element? PROTON

Si Your Turn Silicon 28.086 Atomic Number 14 On the periodic table, the number of protons is called the ___________ ____________. Atomic Number 14 Si Silicon 28.086

How many protons does Aluminum have? 13 Al Aluminum 26.982 13

What is the atomic mass of Iodine? 53 I Iodine 126.904 126.904

Your Turn If an atom of Iodine has an atomic number of 53, and a mass of 126, how many neutrons are there in that atom? 126 53 73 neutrons

States of Matter Review

Your Turn Which phase is moving the least? SOLID

Your Turn What is this change called? MELTING

Your Turn What happens to the temperature during this change? IT STAYS THE SAME

States of Matter Review