Ch 1 Lesson 3 Quiz

What is scientific inquiry?

• the way scientists study the world and propose explanations for observations made

• a widely-tested and widely accepted scientific idea

• a possible answer to a scientific question

• a summary of what you learn from an experiment

What is an independent variable?

• the variable that we are measuring

• the variable that is purposely changed

• the variable that stays the same throughout the experiment

What is a dependent variable?

• the variable that is being measured

• the variable that is purposely changed

• the variables that stay the same throughout the experiment

What is a control variable?

• the variable that is being measured

• the variable that is purposely changed

• the variable that stays the same throughout an experiment

Data is

• the facts, figures, and other evidence gathered through observations

• a possible answer to a question

• a bar graph or table

• a dependent variable

What is the independent variable in this experiment? Tony wears different running shoes each time he runs the 100 meter dash to see which help him run the fastest.

• Tony runs 100 meters every time.

• the different running shoes

• the speed that Tony runs

Which is the dependent variable: Tony wears different running shoes each time he runs the 100 meter dash to see which help him run the fastest.

• Tony runs 100 meters every time

• the different running shoes

• the speed that Tony runs

Which is a control variable: Tony wears different running shoes each time he runs the 100 meter dash to see which help him run the fastest.

• Tony runs 100 meters every time

• the different running shoes

• the speed that Tony runs

I notice that I feel badly every time I drink milk. Which is a possible hypothesis about my observation?

• I get sick every time I drink milk.

• I wonder why I get sick after drinking milk.

• I am allergic to milk.

• I drink milk at dinnertime.

Which of the following statements is true about scientific theory?

• It is well-tested and widely accepted

• It is based on observed patterns in nature

• It does not offer an explanation for observations

• It does not change