Unit 1 Review

A description of what will always happen.

• Hypothesis

• Theory

• Law

A well proven explanation of why something is happening for a set of observations.

• Hypothesis

• Theory

• Law

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-5

When writing your hypothesis, what information follows IF?

• dependent variable

• how you know it will happen

• independent variable

• anything

Tags

NGSS.MS-LS1-5

When you do many trails during an experiment then it is called

• Variables

• Test

• Repetition

For every experiments how many trails or repetitions usually scientist /we should do

• 3 to 5

• no trials required

• 1 trial

Tags

NGSS.MS-ETS1-4

More trails or repetitions of an experiment will make the results or conclusions more .........................

• Accurate

• False

• Experimental

Tags

NGSS.MS-PS3-4

During replications others have to follow the same procedures to get the same output or results

• True

• False

Tags

NGSS.MS-PS1-2

When you replicate another scientists experiment, do you have to get the same answer?

• Yes

• No

Tags

NGSS.MS-PS2-5

It is how close a measurement is to the true or accepted value.

• Accuracy

• Precision

A set of data are all close to each other, and they are close to the actual value.  This set of data can be described as...

• Precise

• Accurate

• Both precise and accurate