Friday, 2/27/15

Learning Objective:

To describe friction and identify factors that determine the friction force between two objects

Learning Activities:

  1. Do Now- Open your science notebook to the experiment on p.81 and get out “Shipping & Sliding” lab handout and your data table and Try the rotating staircase optical illusion.
  2. Science Friday- Dawn of the Cyborg Bacteria
  3. Experiment- Shipping and Sliding (Friction)
  • As a full class, design a graph
  • In your lab group, complete gathering data in your data table. Calculate the average and graph the average data on your graph.
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Thursday, 2/26/15- Advisory Day

Learning Objective:

To describe friction and identify factors that determine the friction force between two objects

Learning Activities:

  1. Do Now- Get out your Science notebook and open to your experiment on p.81 and Observe the┬áprint “Relativity” by M. C. Escher
  2. Experiment- Shipping and Sliding (Friction)
  • In your lab group, complete your procedure & data table
  • In your lab group, conduct your experiment- don’t forget to record your data!

Wednesday, 2/25/15

Learning Objective:

To describe friction and identify factors that determine the friction force between two objects

Learning Activities:

  1. Do Now- Get out your Science notebook and open to your experiment on p.81 and Read the lab handout “Shipping and Sliding.”
  2. Experiment- Shipping and Sliding (Friction)
  • Assign groups & responsibilities
  • As full class, model how to test friction
  • In your lab group, plan your problem statement, independent variable, dependent variable, controlled variables, & procedure
  • In your lab group, design a data table

Tuesday, 2/24/15

Learning Objectives:

To describe friction and identify factors that determine the friction force between two objects

http://downloads.bbc.co.uk/bitesize/ks2/science/mi9/mi9_8/mi9_8.swf

Learning Activities:

  1. Do Now- Get out your ISN and open to your homework on p.80; Add Friction Experiment on p.81 to the Table of Contents; Set up p.81 properly for today’s lesson.
  2. Review HW- Friction Brainstorm ISN p.80
  3. Cue- Advance Organizer- BBC Friction Invigatron and Cart Race interactive websites
  4. Experiment- Shipping and Sliding (Friction)- In your lab group, plan your problem statement, independent variable, dependent variable, controlled variables, and procedure

Monday, 2/23/15

Learning Objectives:

To describe friction and identify factors that determine the friction force between two objects

Learning Activities:

  1. Do Now- Get out your “Graphs of Some Simple Distance vs Time Data,” Get out your ISN, set up p.80, & add it to your Table of Contents, and Read the “Friction” passage & answer the 2 questions
  2. Complete Graphs of Some Simple Distance vs Time Data- Review 3 graphs & questions on back
  3. Engage- Cargo ship in storm video- Brainstorm what will stop the motion of the cars if you couldn’t tie them all down. On p.80 in ISN.

Homework:

Complete Brainstorm on ISN p.80

A force that slows down, stops, or makes it hard for an object to move is called friction. The amount or force of friction depends on two things: the type of surfaces that are touching and the force pressing the surfaces together.