8th Science assignments for March 17 - 21
Professional Development Monday – Short periods
Q: What does Natural Selection mean? What does Survival of the Fittest mea
Introduce and begin investigation “Salamander Pursuit” on pg. 244-247
Monday
17th
Discuss Procedure and Materials
Complete Data table before collecting materials
Complete 2-3 rounds today
Clean up materials before bell
Standard: EALR 4: Life Science
Big Idea: Biological Evolution (LS3)
Core Content: Inheritance, Variation, and Adaptation
6-8 LS3E
Q: You conduct an experiment to examine the effects of temperature on the ab
of a beetle to find food. You set up five tanks that have different internal
temperatures. In this experiment, temperature is the what?
A. Control
B. Constant
C. Manipulated variable
D. Measured (responding) variable
Tuesday
18th
Connections Activity: “Tortoise Islands”
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Read intro.
Study the two tortoises on pg. 249
Write Explanation
When finished, read Sidelight on Technology (pg. 250-251) while you are
waiting.
Introduce “Critters & Creatures” on pg. 254
 Get through part A today (finish tomorrow)
 Partner Activity (one paper for each pair)
Standard: EALR 4: Life Science
Big Idea: Biological Evolution (LS3)
Core Content: Inheritance, Variation, and Adaptation
6-8 LS3E
Q: In the question from yesterday, what is the Measured (responding) variable
A. # of beetles
B. Temperature of the tanks
C. Amount of food found
D. Size of the tank
Wednesday Finish “Critters & Creatures” on pg. 254-257
19th
Standard: EALR 4: Life Science
Big Idea: Biological Evolution (LS3)
Core Content: Inheritance, Variation, and Adaptation
6-8 LS3E
Q: Why can’t you see your reflection in a brick wall?
A. Light rays are reflected in many directions from an uneven surface.
B. Light rays are reflected in only one direction from the rough surface.
C. Reflection of light from a rough surface is regular reflection.
D. No light is reflected from a brick wall.
Thursday
20th
Reading “A Look Back in Time” on pg. 257-259
 Discuss 1-7 as a class
Complete “The Case of the Mysterious Shark Exhibit” on pg. 261-262
Answer questions 1-3 on paper
Q: A scientist who studies the first plants that start to grow after a forest fire wo
likely be able to tell you a great deal about the first plants to appear in a freshly
plowed field or in an ignored parking lot. Why would such an accurate predictio
be possible?
A. The same species of grass is usually the first to appear in all locations.
B. In order to study the first plants after a forest fire, a scientist would have t
study other locations as well.
C. The environmental conditions are the same in all of these locations.
D. The first plants in each of the locations are all different, yet the plants sha
many crucial features.
UNIT 2 QUIZ
Friday
21st
 Correct and Discuss
Introduce Unit 3 “Energy in Systems”
Ch. 12 “Exploring Energy in Systems” pg. 269
As a class, discuss “What Do You Already Know about Energy?” on pg. 270-2
If there is time left in class, research energy resources being used today. Thin
about some of these points while you are researching:
 What are the most widely used resources in the world, in the U.S., in the
northwest?
 What resources are most efficient?
What are the trends for some of the resources you are finding?
Standard: EALR 1: Systems
Big Idea: Systems (SYS)
Core Content: Inputs, Outputs, Boundaries, and Flows
(All subcategories)
Standard: EALR 2: Inquiry
Big Idea: Inquiry (INQ)
Core Content: Questioning and Investigating
6-8 INQA (question)
Standard: EALR 4: Physical Science
Big Idea: Energy: Transfer, Transformations, and
Conservation (PS3)
Core Content: Interactions of Energy and Matter
6-8 PS3A & PS3E