#4 – What must always be included in step 5 of the scientific method? A. List of materials B. Data tables & graphs C. List of procedures D. Educated guess.

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Presentation transcript:

#4 – What must always be included in step 5 of the scientific method? A. List of materials B. Data tables & graphs C. List of procedures D. Educated guess

TODAY I WILL ANSWER…. Can you explain how HEAT affected the amount of lemon juice?

KITCHEN MYTH INVESTIGATION

Ask a Question Will heating a lemon produce more juice??

Make Observations Lemons are yellow; juice is sour; lemons are oval; microwaves cook food; heat produces sweat

Form a Hypothesis If we heat a lemon; then it will produce (more/less) juice

Materials Listed on lab report

Procedures – Changes to lab report 1. Put lemon in ONE plastic cup 2. Find the mass

Procedures – Changes to lab report 1. Wait for Mrs. Kojder to cut lemon 2. Squeeze the lemon juice into cup (remove any seeds) 3. Find the mass of the juice and cup

Procedures – Changes to lab report 1. Get the results from 3 other groups 2. Repeat for microwaved/not- microwaved lemon

Analyze Results 1. Find the percent juice for each lemon 2. Complete bar graph

Normal versus Microwaved Graph the % juice for EACH trial

Conclusion 1. Do you accept or reject your hypothesis? 2. Give proof (from data) why