Starter Do in the back of your books Answer the questions about each picture you are about to see…
Starter Do in the back of your books Answer the questions about each picture you are about to see…
Jan 14, 2016
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StarterDo in the back of your books
Answer the questions about each picture you are about to see…
What can be changed to make the windmill spin faster?
What can be changed to make the bridge stronger?
What can be changed to make the water boil in less time?
A ball is rolled down the ramp. The distance it travels is measured. What can be changed to
make the ball go further?
What can be changed to make the plant grow faster?
Changing Variables
When carrying out an investigation there are many variables that could be changed.BUTIt is important to change only one variable or else it will not be a FAIR TEST.
AIM
• To plan and carry out an investigation that is a FAIR TEST.
Stomach Problems
What is indigestion?
Too much acid in your stomach – this causes PAIN
What can we do about it?
Indigestion remedies are available that NEUTRALISE the excess stomach acid
You are working in a research and development team for a pharmaceutical company.
Your job is to make a new indigestion remedy. You have 4 substances to choose from as the ‘active ingredient’ in your product.
Stomach Problems
Stomach Problems
TASKDesign an experiment to investigate which substance will make the best indigestion remedy. You will be assessed on whether you can:•Design a FAIR TEST•Work SAFELY and in a TEAM•Make a valid CONCLUSION based on practical results
Stomach Problems
TASKDesign an experiment to investigate which substance will make the best indigestion remedy.
How could you investigate this?
A M EPlan a method to investigate the aim
Plan a method that anyone in the class could follow
Identify at least three variables that must be kept the same to make this a fair test
Take an active role in practical work
Work Safely following all Lab Rules
Decide which powder is best to use and give a valid reason
Decide which powder is best to use and give reasons that relate directly to the practical results
Find out the ingredients of some real indigestion remedies and explain how they cure digestion
Stomach Problems
AIM: To find out which powder will make the best indigestion remedy.
PLAN:Write a step-by-step plan to show EXACTLY how you will carry out this investigation.Remember to make it a fair test!
21 April 2023
Stomach Problems
FAIR TEST:I will keep the following variables the same so that this test is fair:1.2.3.4.
21 April 2023
Stomach Problems21 April 2023
RESULTS TABLE:
STARTER: What do you think of this method?
1. Measure out acid into a beaker. Add a few drops of Universal Indicator.
2. Measure out a teaspoon of powder A.
3. Add powder to acid. Wait for reaction to finish.
Specify exact quantities.
Specify what you are going to record.
Today’s Tasks
1. Design a results table for your investigation.
2. Collect Equipment. Remember Goggles!3. Carry out experiment and record results.
Note down any changes you make to your original plan. You may want to repeat your experiment if you have time.
4. Write your conclusion based on what you’ve found out.
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