CHEMISTRY FEB.28 & MARCH 1, 2018

OBJECTIVE: Students will design and conduct an investigation to find the relationship between temperature and diffusion rate.

W.O.D. Mimic-to imitate or copy

WARM-UP
1. Define diffusion and give an example.
2. What effect does (a) increase (b) decrease in temperature have on the motion of particles in a substance?

CW

Research question-How does temperature affect the rate of diffusion in water? 

Grouping: students are to work in pairs or individually

Objective: Design an investigation to find out how changing the temperature of water would affect how fast diffusion occurs.

Design: List the procedures, materials, and equipment needed. Show  the data table that will be used to collect data and describe how the data will analyzed. Get teacher’s approval before starting.

Collecting the data: complete the investigation and remember to include all observations

Writing a conclusion: Use Claim, Evidence, Reasoning to write your conclusion. (See the student resource page for further explanation on claim, evidence, reasoning)

Scoring rubric

COMPONENT	LEVEL	LEVEL	LEVEL
	5	3	0
CLAIM	Makes accurate and complete claim	Makes an accurate but incomplete claim	Does not make a claim
EVIDENCE	Provides appropriate and sufficient data to support claim	Provides appropriate but insufficient evidence to support claim. May include some inappropriate evidence	Does not provide evidence or only provides inappropriate evidence that does not support the claim
REASONING	Provides accurate and complete reasoning that links evidence to claim. Includes appropriate and sufficient scientific principles	Repeats evidence and links it to some scientific principles, but not sufficient	Does not provide reasoning or only provides recordings that does not link evidence to claim