Unit 1 Science

Why do scientists use the scientific method?

• To make sure they get credit for their discoveries.
• To make sure their results are valid and can be performed by other scientists.
• So that other scientist don't get mad at them

Tags

NGSS.MS-PS1-2

If plants are exposed to sunlight, then they will grow taller.
What part of the scientific method is this an example of?

• Procedure
• Hypothesis
• Question
• Results

Tags

NGSS.MS-LS1-5

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

The independent variable is the ONE thing you _____.

• change on purpose
• control or keep constant
• measure

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

Tags

NGSS.MS-PS2-2

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes. This helps us understand cause and effect.
• It is what has always been done

Tags

NGSS.MS-PS2-2

What is a constant/control in an experiment?

• Things that do not change inana 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

What is being changed in this experiment?

• ramp height
• the speed that the ball rolls
• type of ball

What is being measured or the result/effect of this experiment?

• ramp height
• the speed that the ball rolls
• type of ball

Tags

NGSS.MS-PS3-1

What is being kept constant?

• ramp height
• speed of the ball rolling
• type of ball