Experimental Design

Open Ended

Given the scenario: Type one question/problem that John could answer with the Scientific Method.

The Problem/Question:

​It's all about the sugar...

John wonders if the amount of sugar in the recipe affects the size of the bread loaf.

Some text here about the topic of discussion

Multiple Choice

What is the correct hypothesis?

• If more sugar is added, then the bread will rise higher because yeast eat sugar

• More sugar, higher bread

• If more yeast is added, then the bread will rise

• The bread rises because of the yeast and sugar

Multiple Choice

What is the Control?

• John found a recipe similar to his grandma's online

• John will use half the amount of sugar his grandma uses

• Grandma always uses 50 grams of sugar in her recipes

• John will use twice as much sugar as grandma

Open Ended

What are some constants?

Multiple Choice

The parts of the experiment that must be kept the same.

• Constants
• Independent variable

• Dependent variable

• Conclusion

Multiple Choice

What is an Independent Variable?

• It is what "I" change in the experiment.

• It is what is measured or observed

• It is something that stays the same.

Multiple Choice

What is a dependent variable?

• It is what "I" change.

• It is what is measured or observed

• It is what stays the same.

Multiple Choice

Maya designed an experiment to answer the following question: How does the amount of water given to a lima

bean seed affect how tall it grows?

In this experiment, what variable should Maya CHANGE?

• the amount of water

• the kind of plant

• the type of soil

• the amount of sunlight it gets

Multiple Choice

Thomas tests different types of liquids to see which will grow his plants the most. He has water, soda, milk, and no liquid at all. What is the control group?

• the one with water

• the one with soda

• the one with milk

• the one with no liquid

Multiple Choice

Using the picture, identify the control group.

• Trial 1

• Trial 2

• Trial 3