What is Science? (Biology)

Which one is NOT a goal of science?

• investigate and understand the natural world

• explain events in the natural world

• use explanations to make useful predictions

• to explain everything you experience in life

Tags

NGSS.MS-LS2-1

NGSS.MS-PS1-2

Define observation.

• Process of gathering information in an orderly way.

• A suggested explanation to a problem or question that can be tested.

• A well tested explanation that unifies a broad range of observations.

• Logical interpretations based on prior knowledge.

Measuring a tree is 25 tall is an example of gathering _______.

• quantitative data

• qualitative data

Define hypothesis.

• Process of gathering information in an orderly way.

• A suggested explanation to a problem or question that can be tested.

• A well-tested explanation that unifies a broad range of observations.

• Logical interpretations based on prior knowledge.

Tags

NGSS.HS-PS1-2

A hypothesis is only useful if it can be tested.

• true

• false

Why would a scientist want to isolate a variable he is trying to test?

• So they can determine if it's the variable that causes the changes.

• So they can test a thousand variables at a time.

• So they ca manipulate the data to make it look like they want.

• So they can get paid.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Why is it important to reproduce results of an experiment?

• To make sure there wasn't a mistake that's causing the results.

• To allow other scientists to make money off of your experiment.

• To allow other scientists to bask in the glory of your experiment.

• To make sure your experiment didn't break any laws.

Why is a control group important to a controlled experiment?

• To know what would have happened if the variable wasn't even there.

• To cause the scientist to use more money.

• To control every single aspect of the experiment.

• To make sure the hypothesis is tested.

Define theory (scientific theory).

• Process of gathering information in an orderly way.

• A suggested explanation to a problem of question that can be tested.

• A well-tested explanation that unifies a broad range of observations.

• Logical interpretations based on prior knowledge.

What is a testable possible explanation of an observation?

• hypothesis

• theory

• control

• variable

Tags

NGSS.MS-LS1-5