Physical Science- ch.1 Nature of Science

The scientific method is used in everyday life to acquire/get information.

• True
• False

Can experiments always be done to collect data?

• Yes
• No, because they are always too expensive
• No, because living things could be harmed

A fair and valid experiment contains:

• independent variable
• dependent variable
• controlled variables (controls)
• All of the above

How can an one help insure that an experiment is unbiased and valid?

• peer review
• multiple graphs
• multiple trials, peer review, independent and dependent variables
• send a link to a news outlet

Scientists must remain open-minded, meaning that they are willing to accept different ideas that may not agree with their hypothesis.

• True
• False

Scientist and other people start with questions and observations that may come from:

• Curiosity, skepticism, open-mindedness, and creativity
• Practical problems (flooding issue in a coastal area)
• New technology (3-D printers)
• All of the above

Which is an example of qualitative data?

• The girl has brown hair.
• The girl's hair is 50 centimeters long.
• The girl is 95 centimeters tall.
• The girl weighs 140 lbs

Which is an example of quantitative data?

• The boy did a lot of push-ups
• The boy has blonde hair.
• The boy weighs 140 pounds.
• The boy has green eyes.

What scientific attitudes help generate new ideas?

• Curiosity, skepticism, open-mindedness, and creativity help scientists generate new ideas.
  
• Anger, frustration, and curiosity help generate new ideas.
• No one knows what attitudes generate new ideas.
• Only creativity helps scientists generate new ideas.

Scientists who disagree with hypotheses design experiments to test them.

• True

• False