Scientific Investigation Post Assessment

What is a hypothesis?

• An educated guess as to what will happen next during the experiment

• Information gathered during an experiment

• The results of an experiment

• What is changed in an experiment

Tags

NGSS.MS-LS1-5

the factor that is changed by the scientist in a science experiment.

• dependent variable

• independent variable

• constant

• hypothesis

variables that stay the same through out an experiment.

• constant

• hypothesis

• variable

• independent variable

A well designed experiment should be able to be repeated.

• true

• false

Tags

NGSS.MS-ETS1-4

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

Which group serves as a baseline or standard for comparison?

• control group

• experimental group

• political group

• music group

What variable is influenced by the independent variable in an experiment?

• constant variable

• control variable

• dependent variable

• independent variable

Tags

NGSS.MS-PS2-2

Matt wants to test which liquid freezes first: Pepsi, milk, or apple juice.  He poured 50 mL of each into separate glasses and placed them in his freezer.  Every ten minutes, he checked his freezer and recorded his observations.  Pepsi froze first, followed by apple juice and then milk.  What is his dependent variable?

• type of liquid
• length of time until frozen
• amount of liquid
• location of freezer

Tags

NGSS.MS-PS1-2

Betty wants to test which type of phone has the longest battery life.  She is comparing iPhone 6 Plus, Samsung S5,  and a Droid.  She bought each phone new and charged them completely to 100%.  Then, she turned each phone on and timed how long until the battery ran out.  What is the independent variable in her experiment?

• brand of phone
• time until battery ran out
• time it took to charge to 100%
• outlet used for charging

Tags

NGSS.MS-ETS1-3

A bug repellent was sprayed on one arm. On the other arm, the bug repellent was not sprayed. After 2 hours, the number of bug bites are recorded. What is the independent variable?

• The type of bug repellent

• If an arm was sprayed with bug repellent or not

• The number of bug bites