science

In an experiment, the one variable that is changed by the scientist is called the ______.

• independent variable
• dependent variable
• random variable
• controlled variable

In an experiment, the factor that we observe and/or measure is called the ____.

• independent variable
• dependent variable
• random variable
• controlled variable

A testable, possible explanation for a scientific question is called a(n) _____.

• theory
• random guess
• law
• hypothesis

An organized way to collect and record scientific observations is with a(n) _____.

• data table
• inference
• model
• definition

Observations that are made with instruments such as rulers, balances, graduated cylinders, thermometers, timers, etc. and are measurable.

• manipulated
• quantitative
• qualitative
• operational

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Observations that are made when you use your senses to gather information.

• manipulated
• quantitative
• qualitative
• operational

Tags

NGSS.MS-LS1-8

There were seven boxes of cookies in the cupboard.

• qualitative
• quantitative

A scientist studies how many days it takes people to get sick when eating different candies.  What is the independent variable?

• eating
• days until sick
• the scientist
• candies

This scientist discovered and named the cell.

• Robert Hooke
• Anton Van Leeuwenhoek
• Goldberg
• Mathias Schleiden

This type of cell needs a cell wall and chloroplasts

• Plant cell
• Animal Cell
• Bacteria

Tags

NGSS.MS-LS1-6