Unit 1B Scientific Method Review

Question 1

How many variables can be changed in a controlled experiment?

Accepted Answer

only one

Question 2

Choose the best hypothesis for the testable question in the picture.

Accepted Answer

If the detergent increases then cleanliness will increase.

Question 3

Variable that remains the same.

Accepted Answer

controlled variable

Question 4

The difference between the highest and lowest number in a set of data is the __________.

Accepted Answer

range

Question 5

What type of graph is this?

Accepted Answer

Bar Grap

Question 6

Look at the data table in the picture. Identify the dependent variable.

Accepted Answer

ice cream sales

Question 7

When is a bar graph used?

Accepted Answer

to compare two things

Question 8

Choose the question below that is testable.

Accepted Answer

How does the amount of sleep affect a student's grades?

Question 9

Read the scenario. What is the independent variable?

Accepted Answer

different tired treads

Question 10

Identify the IV: If the water increases, the plant health with decrease.

Accepted Answer

water amount

Question 11

Look at the data in the picture. Is it qualitative or quantitative?

Accepted Answer

Quantitative

Question 12

The hypothesis should always be addressed in the conclusion. True or False?

Accepted Answer

True

Question 13

Choose the best answer the to fill in the blank in the Scientific Method flow chart.

Accepted Answer

hypothesis

Question 14

Look at the data in the picture. Is this qualitative or quantitative data?

Accepted Answer

Qualitative

Question 15

Re-read the previous scenario. What is one controlled variable?

Accepted Answer

amount and type of water, perking time

Question 16

Read the scenario. What is the dependent variable?

Accepted Answer

taste of coffee

Question 17

What makes a question a testable question?

Accepted Answer

You can develop a controlled experiment to answer it.

Question 18

What is the proper format for a hypothesis?

Accepted Answer

If the IV.....then the DV....

Question 19

The process that scientists use to answer their questions is known as the ___________________.

Accepted Answer

scientific method

Question 20

Specific evidence in the form of data is not needed in a conclusion. True or False?

Accepted Answer

False

Questions 20