Answer the Tuesday question on the Bellwork sheet. Bellwork 9-1-2015

0707.Inq. 4 and 0707.Inq.5

Students will be able to describe the tools, skills,

knowledge, and dispositions needed to conduct scientific

inquiry.

0707.Inq. 4 and 0707.Inq.5

Can I infer cause and effect relationships?Am I able to ensure ther eis no error or bias during scientific investigations?

Cause and EffectWhat do you already remember about cause and effect relationships?

Write down some examples of cause and effect scenarios in your scientist notebook.

You are outdoors. The sun shines brightly. A cold wind blows from the north. You shiver. Then you zip up your coat. Which pair of words represents a cause-and-effect relationship?

A scarf, shiver B wind, shiver C shiver, wind D sun, shiver

What is being compared in the graph?

What cause and effect relationship can we find in this graph?

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What does this commercial tell us about high fructose corn syrup?

Yoplait High Fructose Corn Syrup Commercial What about this commercial?

Bias Assuming something to be true or false before testing it.

Influencing an experiment to get the desired results.

Why should bias be avoided in scientific research?

1. In which example is bias most likely to be a factor?

A A scientist working for a government agency finds that a new drug is safe and effective.

B A scientist working for a chemical company finds that the company’s factory does not pollute a nearby river.

C Two groups of students follow the same procedure to test the effect of a fertilizer on plant growth. The two groups get similar results.

D Two groups of students follow the same procedure to test the effect of salt on the boiling point of water. The two groups get different results.

Exit Ticket

If you had to explain bias to a younger sibling, what would you tell them?