Scientific Method

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.

"If plants are exposed to sunlight, then they will grow taller."

What part of the scientific method is this an example of?

• Procedure

• Hypothesis

• Results

The one thing you CHANGE in an experiment is the

• Dependent Variable
• Independent Variable
• Control

An experiment has 10 plants growing in sunlight and 10 plants growing in red light.  The plant height is measured after one month. What is the dependent variable in this experiment? 

• The red light
• The sunlight
• The plant height

An experiment has 10 plants growing in sunlight and 10 plants growing in red light.  The plant height is measured after one month. What is the INDEPENDENT variable in this experiment? 

• The plant height
• The red light

• The sun light

What is an observation?

• gather information about your surroundings

• use information gathered to make an educated guess

• forecast of what will happen in the future

What is an inference?

• gather information about your surroundings

• use information gathered to make an educated guess

• forecast of what will happen in the future

Your hypothesis must be right.

• True

• False

Something that you keep the same in an experiment is called a(n) _________________________.

• variable

• control

• procedure

• conclusion

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable