Question 58
Ask a question to investigate
Starch is a carbohydrate. You have found out that starch makes iodine solution change colour from yellow-brown to blue-black.
1. Think of a question about foods you can investigate using this knowledge.
2. Plan how you would find the answer to your question, and decide which type of scientific enquiry will be best.
a. Which variable will you observe or measure? What is this type of variable called?
b. Which variable will you keep the same? What is this type of variable called?
c. Which variable will you change? What is this type of variable called?
3. Choose the materials you will use.
4. Decide how you will record and present your results.
5. Carry out the investigation and write a conclusion from your results.
Starch is a carbohydrate. You have found out that starch makes iodine solution change colour from yellow-brown to blue-black.
1. Think of a question about foods you can investigate using this knowledge.
2. Plan how you would find the answer to your question, and decide which type of scientific enquiry will be best.
a. Which variable will you observe or measure? What is this type of variable called?
b. Which variable will you keep the same? What is this type of variable called?
c. Which variable will you change? What is this type of variable called?
3. Choose the materials you will use.
4. Decide how you will record and present your results.
5. Carry out the investigation and write a conclusion from your results.
