Transcript 4/20 & 4/21 - 7th Grade Agenda

3/15 & 3/16 - 7th Grade Agenda
Collect HW: Review & Reinforce p.101 – 104
Chap 8 Test
Viruses
Brain Pop Video: Bacteria & Antibiotics
Video: Walking with Dinosaurs
Text Book Reading: 318 – 321
HW: Reading & Notetaking p. 153 – 156
Reminder: Open House and Back To School
Videos on YoutTube.com
Reflection
• Prompt: Write 3 questions that you have
about viruses?
Open House &
Back to School Videos
on YouTube.com
• Search for “CcmsMrKim”
• You can download a copy of the video by
using the “YouTube DownLoader”
Program.
• Search for “YouTube Downloader Cnet” in
Google
Marble Race Lab 3/17 & 3/18
• Up to 4 students per team
• Project has to be completed in class (about 1
hour)
• I’ll provide the marble, masking tape and
construction paper.
• You can bring other extra materials.
• Contest will be judged on the how creative it is.
Marble Race Lab 3/17 & 3/18
• 5 Points if you participate in the lab with
your best efforts.
• 5 Points Extra Credit for the most
interesting working design
• 5 Points Extra Credit for the longest
working track
• 5 Points Extra Credit for the slowest speed
Speed = Distance / time
What is the speed of this marble?
• Marble race track is 100cm. The time it
took for the marble to race down was 10
seconds.
100 cm / 10 secs = 10 cm/sec
Speed = Distance / time
What is the speed of this marble?
• Marble race track is 100cm. The time it
took for the marble to race down was 20
seconds.
100 cm / 20 secs = 5 cm/sec
Speed = Distance / time
What is the speed of this marble?
• Marble race track is 100cm. The time it
took for the marble to race down was 5
seconds.
100 cm / 5 secs = 20 cm/sec
Reflection
• Prompt: Find the speed of the marbles in
the following problems.
• 1. Track is 50cm long. Speed of the
marble is 5 seconds
• 2. Track is 50cm long. Speed of the
marble is .5 seconds.
• 3. Which marble is slower?
What causes colds, flu,
smallpox, AIDS?
• Viruses
Cold Virus
Flu Virus
AIDS Virus
Is a virus alive?
• No
• Scientists does not
consider viruses alive
because it can not
reproduce by it self
• It must multiply in
another cell
Virus
• Virus contains single strand of DNA and
protein coat protecting it.
Virus
• Once inside a cell a
virus’s gen_____
etic
material takes over
many of the cell’s
functions.
ll to
• It instruct the ce___
produce the virus’s
proteins and genetic
material.
How Virus Spreads
Bacteria
• Bacteria are
prokaryotes.
• The genetic material
in their cells is not
contained in a
leus
nuc______
Bacteria
• Is Bacteria Alive?
• Yes. It is able to
reproduce by itself.
Parts of a Bacteria
Reflection
• Prompt: Write 5 facts that you learned in
the video.