Unit 2 Review

Which of the following would be considered to be an involuntary risk?

Which of the following is not one of the considerations involved in weighing individual risk?

Valuing human enjoyment

Are studying and test scores correlated?

A test designed to prove a hypothesis

Using your five senses to gather data

Requiring proof before you believe something is true

Valuing right vs. wrong

In the paper helicopter experiment, the weight of the paper was the ____________.

Why could an experiment with three variables be confusing?

What does it mean to say that two events are correlated?

T is donating to clean the Lake because she thinks it’s right to do. Which value is T showing?

The series of steps used by scientists to solve problems

Which of these shows the correct order of the scientific method?

How do scientists ultimately determine the results of their experiment?

Valuing money or jobs

In a class of fifty students, 45 passed the test. What was the failure rate as a percentage?

I think the notebook paper will fly best because it is lightest is an example of a ___________.

The number of data points that have been collected.

How many of your senses can be used to make observations in science?

How you think the experiment will turn out

Why should all scientific experiments be replicated?

Finding the average of a data set.

If 2 out of every 100 people have red hair, what percentage of people have red hair?

The part of an experiment that doesn't change so that it can be used as a comparison.

B is getting his mom to quit smoking by arguing it makes teeth yellow. Which value is B using?

Valuing beauty

In a class of fifty students, 45 passed the test. What is the sample size?

JJ weighed himself 3 times last week. The weights were 160, 165, 170. What was his mean weight?

Repeating an experiment to verify the results

A connection between two events that share a similar pattern.

Which type of data is represented here? The brown, muddy river is 1,000 feet wide.

The chance of an unwanted or negative event occurring.

Valuing tradition

How does the sample size affect the reliability of probability?

Why should every experiment have a control group?

Why is a hypothesis still valuable even if it turns out to be incorrect?

What are the two essential characteristics of a good science experiment?

A statement based on observation that you plan to test.

Which of the following numbers does not mean the same as the other three?

I sleep an average of 8 hours per day. All of the following words apply to this except:

The factor in an experiment that you plan to test. It can be changed.

The percentage chance of any event happening

What type of data is represented here? The soil is thin and feels like clay.

Which type of data is usually preferable for a scientist to collect?

Using numbers to analyze data

Which of these numbers does not mean the same thing as the other three?

JJ weighed himself 3 times. The weights were 160, 165, 170. What was the sample size?

Which of the following is not one of the five intellectual characteristics of a good scientist?

What are the two characteristics of a good scientific hypothesis?