Download Chemistry Unit Lesson Plans Week 6

Mary Beth Armstrong
Chemistry Unit Week 6
Week of Dec. 3-7 2012
SC-8-STM-U-1
Students will understand that all matter is made of tiny moving particles called atoms, which are far too small to see directly through
a microscope. The atoms of any element are alike but are different from atoms of other elements
SC-8-STM-U-2
Students will understand that because atomic structure is not directly observable, models (physical and conceptual) are used to
facilitate understanding. What kind of model to use and how complex it should be depends on its purpose.
SC-08-1.1.2
Students will understand that matter is made of minute particles called atoms, and atoms are composed of even smaller
components. The components of an atom have measurable properties such as mass and electrical charge. Each atom has a
positively charged nucleus surrounded by negatively charged electrons. The electric force between the nucleus and the electrons
holds the atom together.
SC-8-STM-S-2
Students will analyze models/representations of elements and basic atomic structure
SC-08-1.1.3
Students will understand that the atom’s nucleus is composed of protons and neutrons that are much more massive than electrons.
Monday (3)
Students will take a pretest over Rutherford’s atom, atoms, and elements.
Learning Target: I can cut paper multiple times to get a basic understanding of the size of an
atom.
http://www.miamisci.org/af/sln/phantom/papercutting.html
Students will cut paper multiple times in order to get a better understanding of the size of an
atom. Students will compare each “cut” to the size of an item or items that would be of similar
size. Students will soon realize that they will not be able to make the 31 cuts necessary to get
to the size of an atom. We will then discuss that scientists (physicists) study atoms without
being able to see them.
Tuesday (4)
Learning Target – I can make a prediction about a hidden geometric shape by collecting data
with a marble.
Students will work in small groups to try to figure out which geometric shape is hidden
underneath a piece of cardboard. Students will try to figure out the shape by rolling a marble
under the cardboard in all directions. Students will trace the path of the marble by drawing aon
a paper taped to the top of the cardboard. Depending on if the marble passes all the way
under the cardboard or gets bounced back will help them figure out the hidden shape.
Students will complete 2 boards.
Wednesday (5)
Learning Target: I can use a checklist to evaluate the completeness and quality of an essay.
Students will read their Triplett Creek Essay to a partner. Students should be able to identify
strengths and weaknesses in their own papers as they read aloud. Partners will then read the
paper silently and will fill out a checklist that the partner can use to help revise the final copy of
the paper. The final copy will be due on Monday, December 10th.
Thursday (6)
Learning Target – I can compare the Rutherford atom to the Atomic Target Practice Activity.
Students will discuss the results of their Target Practice Activity. Students will answer follow up
questions and will then watch a video segment of Earnest Rutherford’s Gold Foil Experiment.
We will discuss how the Atomic Target Practice Activity modeled Rutherford’s experiment.
Rutherford’s Gold Foil Experiment.
Show video here
http://www.youtube.com/watch?v=Q8RuO2ekNGw
Rutherford’s Summary or Writer’s Frame.
Friday (7)
I can identify the basic structure of the atom, the relative size and mass of particles, location
and importance.
Pre-assessment entrance slip:
Place the following in order of size (not mass) from smallest to largest
atom, cell, electron, electron cloud, neutron, nucleus, proton
After completing the pre-assessment activity, students will watch a video clip of the cathode
ray tube and will answer questions about the video. Students will then begin the atom builder
activity.