Science

Watch the following video on Atomic structure. Create a Model of the following Atoms:
Copper, Iron, Oxygen, Sulfur, Helium.

Now draw a molecule of Copper Oxide, and a molecule of Water. Show while electrons are shared between the atoms.

Math Homework Similar Triangles

Complete 1-1 on pages 150 and 151.

Science

Create a timeline of the changes in Model of Matter. Start with ancient
Greece and for every major advancement, name who advanced it, and
summarize what their model was. (no more than a sentence or so per
advancement) . A good spot to start is:
http://www.softschools.com/timelines/atomic_theory_timeline/95/

Key names are : Democritus, Dalton, Rutherford, Thomson, Millikan, Bohr, Chadwick, Mann, Zweig etc.

Math Homework

Read the Similar Triangles section on pages 146-150. Pay special attention to the Key Ideas section.
Complete questions 1-11 on pages 150-151.

Math Homework

Complete the following worksheet and then complete pages 146 to 149 in the Text Book. Do the "Show You Know" sections on pages 148-149.

Remember to make a ratio of corresponding sides. Eg. Scale Model/Real world will equal Model/ Real world. See the video for furthe help.

Exponent Homework

After reading pages 99 to 107 of the text on multiplying and dividing
exponents,complete questions 1-20 on pages 105 - 107. Please be sure to refer to the key ideas at the top of page 105. Watch the following videos if you get stuck.
Exponent Basics, Multiplying Exponents, Dividing Exponents.

Math Homework Fractions and Rational Numbers

Due for February 27th.
Numbers 1-10 page 67 and 68 of text.
(Do only a, c, e of 5-8)