Problem Solving and Experimental Design

Problem Solving and Experimental Design

Poll

How are you finding the Biology work this week?

• Good there is the correct amount of work for the week

• There is too much work for the week

• There is not enough work for the week

Poll

How do you feel about Problem Solving and Experimental Design questions?

• Good - I feel better after doing some more practice

• Okay - I would like to continue working through examples

• Not good - I am still struggling with these types of questions and would like some more help

Open Ended

How many hours did it take for 50% of the glucose to be used up by the bacteria?

Open Ended

i) What is the optimum pH for this enzyme?

ii) How many times more active is the enzyme at pH 9 than pH 10?

Multiple Choice

Which line in the table shows the average number of plants for each new plant type?

• A

• B

• C

• D

Open Ended

What is the average volume of oxygen collected for the potato tissue?

Multiple Choice

What percentage of cells have a length greater than 55 micrometres?

• A

• B

• C

• D

Multiple Choice

What is the percentage increase in tree height between 1985 and 2010?

• A

• B

• C

• D

Multiple Choice

What is the simplest whole number ratio of the rate of photosynthesis at 10C compared to 15C.

• A

• B

• C

• D

Open Ended

Describe the relationship between the distance from the seawater at low tide and the average number of lugworms per m2

Multiple Choice

If the grey seal population continues to increase by the same rate, what will the predicted grey seal pup population be by 2020?

• A

• B

• C

• D

Multiple Choice

Which variable is the variable you are going to change in an experiment?

• Dependent variable

• Independent variable

• Constant variable

Multiple Choice

Which variable is the variable you are going to measure in an experiment?

• Dependent variable

• Independent variable

• Constant variable

Multiple Choice

Which variable is the variable you are going to keep the same in an experiment?

• Dependent variable

• Independent variable

• Constant variable

Open Ended

Name two variables which could be kept constant in the experiment

Open Ended

State two other variables which could be kept constant in this experiment

Open Ended

What is the purpose of the control in the experiment?

Poll

How do you feel about Problem Solving and Experimental Design questions now?

• More confident - I found that really beneficial and it helped with my understanding of skills questions

• Okay - I found it beneficial but need to continue to carry out more practice on skills questions

• Not very confident - I would like more help and support with skills questions

Open Ended

Please provide some feedback on today's lesson and how you would like more help and support with problem solving and experimental design questions