Unit 1: Introduction to Biology

A prediction or guess based on observations.

• data
• scientific process
• hypothesis
• question

The information you collect while doing your experiment is called

• conclusions

• data

• hypotheses

• procedures

Tags

NGSS.MS-PS1-2

The independent variable is the ONE thing you _____.

• change on purpose
• control or keep constant
• measure

Tags

NGSS.MS-PS3-4

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

• independent variable

• dependent variable

• control variable

What is a constant/control in an experiment?

• Things that do not change in a experiment. It's the variable that stays the same. You can have many variables stay the same.

• It's the variables that the scientist changes in the experiment

• It's the variables that are being measured in an experiment

Tags

NGSS.MS-PS2-2

How many independent variables should you have in an experiment?

• two

• as many as possible

• four

• one

What is the dependent variable of the graph?

• Grade
• Number of Students

A student wants to test the effects of different types of exercise on heart rate.  What would be the dependent variable of the experiment?

• the measurement of heart rate

• type of exercise
• amount of exercise
• time of day exercise occurs

What would the INDEPENDENT variable be in an experiment testing which  paper airplane design goes furthest?

• the paper used
• the paper airplane design
• the distance of each plane's flight
• how hard the plane is thrown

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Josie was performing an experiment where she grew the same kind of tomatoes in the same soil and amount of water.  She sat one in the sun and one in a closet for 14 days.  What is the independent variable in Josie's experiment?

• tomatoes
• soil
• sunlight
• water

Tags

NGSS.MS-LS1-5