Science & Engineering

Science always advances (grows) because of...

• your opinions and beliefs

• evidence

• technology

Tags

NGSS.MS-PS1-2

A hypothesis is a...

• prediction or possible explanation based on your knowledge

• a guess based on nothing

• Something you notice about the world using your senses

The purpose of data analysis is...

• To complete multiple trials to collect data

• To create a procedure for the experiment

• To make the experiment's data meaningful

Tags

NGSS.MS-LS2-1

NGSS.MS-PS1-2

In an experiment, this variable CAUSES CHANGE in the other variable.

• Dependent variable

• Independent variable

• Constant

• Control

Tags

NGSS.MS-PS2-2

In an experiment, this variable is what is MEASURED and is affected by the other variable.

• Dependent variable

• Independent variable

• Constant

• Control

Tags

NGSS.MS-PS1-2

In an experiment, this variable must be kept the same, otherwise it may ruin the results.

• Dependent variable

• Independent variable

• Constant

• Control

This is when you REMOVE the variable that causes change and run the experiment again.

• Dependent variable

• Independent variable

• Constant

• Control

Tags

NGSS.MS-PS2-2

Cockroaches are exposed to a pesticide. After 3 hours, 95% of the insects are dead. What is the independent variable?

• Survival percentage

• Pesticide exposure

• 3 hours

Tags

NGSS.MS-LS2-4

One cow is given a growth hormone and another cow is given nothing. Both cows are weight after 2 years. What is the dependent variable?

• Growth hormone

• Weight

• 2 years

Tags

NGSS.MS-LS1-5

Something out of your control that limits your engineering design is a...

• Dependent variable

• Constraint

• Prototype

• Design Process

Tags

NGSS.MS-ETS1-1