Unit 1 "How Scientists Work"

An investigation in which all conditions are controlled is a(n)...

• balance

• evidence

• experiment

• control

Tags

NGSS.MS-PS2-2

Nolan wants to measure the mass of a rock. The tool she should use is a(n)...

• microscope

• spring scale

• measuring tape

• balance

Any condition in an experiment that can be changed is a(n)...

• variable

• control

• sample

• evidence

Tags

NGSS.MS-PS2-2

The setup to which you compare all the others in an experiment is the....

• variable

• control

• evidence

• protocol

The information that scientists collect as they investigate the natural world is...

• facts of life

• opinions

• evidence

• communication

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-5

Objects that are too small to see with your eyes alone are...

• microscopic

• variables

• controls

• evidence

Bella wants to find out how much force it takes to pull a toy car up a ramp. The tool she should use is a(n)...

• measuring tape

• wagon

• microscope

• spring scale

Tags

NGSS.3-PS2-1

A belief or judgment that is not supported by investigation is...

• opinion

• fact

• law

• theory

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

Observations are made using the five senses. We can use observations to draw conclusions. Which of the following is a conclusion?

• The object is flat.

• The flowers smell like mint.

• Crickets chirp to attract mates.

• The food tastes salty.

Kyleigh observes and sketches the phases of the moon during a five-week period. Her drawings are shown here. Which statement best describes Kyleigh's investigation?

• It involves modeling.

• It involves experimentation.

• It involves repeated observations.

• It involves both experimentation and repeated observations.

Tags

NGSS.MS-ESS1-1