Scientific Method PreTest

What is the first step in carrying out a scientific investigation?

• Stating a hypothesis

• Drawing a conclusion

• Have a problem

• Studying research

In an experiment, there is only one

• independent variable

• control

• dependent variable

• trial

Tags

NGSS.MS-PS1-2

What do you do when you gather information with your senses?

• conclude

• observe

• infer

• hypothesize

Tags

NGSS.MS-LS1-8

The variable that you change in an experiment is the:

• observed variable

• controlled variable

• dependent variable

• independent variable

Some variables are kept the same during an experiment. What are these variables called?

• observed variables

• independent variables

• dependent variables

• controlled variables

The variable that you are looking for changes in is called the:

• controlled variable

• dependent variable

• repeated variable

• independent variable

Tags

NGSS.MS-PS2-2

You conduct an experiment to find out how humidity affects how long a wet shirt takes to dry. Which of the following is the dependent variable?

• air temperature

• time it takes the shirt to dry

• how much water is in the shirt

• humidity

What is a conclusion?

• The process scientists use to answer their questions.

• An opinion about an experiment

• A statement that sums up the results of an investigation.

• A statement that sums up your senses.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-5

A repeated experiment is called a:

• trial

• hypothesis

• control

• variable

When you make an observation that involves a number, you are making what kind of observation?

• qualitative

• quantitative

• hypothesis

• good