Unit 1 Nature of Science 2019

Which statement about scientific investigations is true?

• Their primary focus seldom includes comparing or describing the unregulated world.

• They follow exactly the same steps because there is only one scientific method.

• They rarely involve the collection of data under controlled conditions.

• They include multiple trials to increase the consistency of the data that are collected.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS2-2

Which year had the greatest number of female athletes?

• 2005

• 2006

• 2007

• 2008

Tags

NGSS.MS-PS3-1

Which term describes the information that a scientist gathers during an investigation?

• variable

• observation

• hypothesis

• data

Tags

NGSS.MS-PS1-2

NGSS.MS-LS1-1

Which observation is an example of data collected using the senses (qualitative data)?

• There are 16 speckled pebbles.

• The mass of a pebble is 25.0 g.

• The volume of a pebble is 5.0 cm³.

• A white pebble is speckled with gray spots.

What part of a line graph shows trends?

• title

• legend

• line of best fit

• C. x- and y-axis labels

What must be true of any explanation Scientists develop?

• It must be based on information that other scientists have also gathered.

• It must be supported by evidence.

• It can never be changed.

• It must be shown to have practical value for humans.

Tags

NGSS.MS-PS3-5

When scientists obtain new information, what happens to an existing scientific theory?

• It becomes a law.

• It is reevaluated.

• It is revised.

• It remains the same.

What are these visual or mathematical representations called that investigate items not easily seen?

• experiments

• hypotheses

• observations

• models

Tags

NGSS.MS-LS1-2

NGSS.MS-LS2-3

NGSS.MS-PS1-1

a process of investigation that in one or more ways resembles science but deviates from the scientific methods.

• Pseudoscience

• Meniscus

• Dependent variable

• Prototype

in a scientific investigation, the factor that is deliberately manipulated

• dependant variable

• meniscus

• observation

• independent variable

Tags

NGSS.MS-PS2-2