Environmental Science Scientific Method

Multiple Choice

How old do you need to be to use science?

• You need to be at least 18 years old
• Only adults can use science
• There is no age limit
• Science is only for kids

Open Ended

How do you use science at home? Give an example.

Multiple Choice

How is a hypothesis worded?

• As a question that cannot be answered
• As an if/then statement that can be tested or proven false

• As a random guess without any evidence
• As a fact that is already proven true

Multiple Choice

In an experiment, what is a control?

• The standard against which the results are compared
• The final result of the experiment
• The variable that changes in the experiment
• A type of computer program

Multiple Choice

In the scientific method, which step comes first?

• Making an observation or asking a question
• Forming a hypothesis
• Drawing a conclusion
• Conducting an experiment

Match

You water three sunflower plants with salt water. Each plant receives a different concentration of salt solutions. A fourth plant receives pure water. After a two- week period, the height is measured. What is the...

• independent variable?

• dependent variable?

• control?

salt concentration in the water.

Height of the plant

The plant with the pure water.

• salt concentration in the water.

• Height of the plant

• The plant with the pure water.

Match

One tank of goldfish is fed the normal amount of food once a day. A second tank is fed twice a day. A third tank is fed four times a day during a six week study. The fish’s weight is recorded daily. What is the...

• independent variable?

• dependent variable?

• control?

frequency of feeding.

the weight of the fish

the fish with the normal amount of food.

• frequency of feeding.

• the weight of the fish

• the fish with the normal amount of food.

Open Ended

You go to the kitchen to make yourself a toaster strudel. When you push the lever down, it shoots back up. 

From this scenario, create an experiment using the steps of the scientific method.

Multiple Choice

True or False: a theory can never become a law.

• False
• Depends on the scientist
• Sometimes
• True

Multiple Choice

Is the big bang a theory or a law?

• law
• fact
• theory
• hypothesis

Multiple Choice

What is the difference between a theory and a law?

• A theory explains a natural phenomenon, while a law describes an observed pattern.
• A theory is always proven, while a law is just a guess
• A theory is based on evidence, while a law is based on opinion
• A theory is specific to a certain field, while a law applies universally

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