Ch1 - What is Science?

For her science project, a student collects data on deer spotted in a field each day. For the first five days of her study, she counted 23, 16, 18, 27, and 19 deer. What type of observation do these data represent?

• an inferred observation

• a quantitative observation

• a qualitative observation

• a classified observation

Explaining or interpreting the things you observe based on reasoning from what you already know is called

• observing

• inferring

• predicting

• classifying

If you conduct an experiment and draw conclusions that are based on your beliefs rather than the facts, you are using

• objective reasoning

• deductive reasoning

• inductive reasoning

• subjective reasoning

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

NGSS.MS-PS1-2

Callie notices that every time she uses a certain bird food in her bird feeder, blue jays land on the feeder. She concludes that blue jays prefer this food more than other birds do. What type of reasoning is Callie using?

• inductive reasoning

• subjective reasoning

• deductive reasoning

• faulty reasoning

Observations that deal with descriptions that cannot be expressed in numbers are called

• relative observations

• quantitative observations

• qualitative observations

• evidence observations

Which is an example of using ethics in experiments?

• making sure other scientists can repeat the experiment

• taking care that no animals are harmed

• storing samples under controlled conditions

• making sure that only useful data are collected

Trying to explain why a solar eclipse occurs is an example of

• a prediction

• an experiment

• scientific inquiry

• classification

Tags

NGSS.MS-ESS1-1

Which of the following is a valid reason why a scientist might reject a scientific theory?

• some people disagree with it

• it covers too broad a topic

• new evidence contradicts it

• it was proposed by another scientists

Tags

NGSS.HS-LS3-2

NGSS.HS-PS4-3

Which of the following is a valid reason why a scientist might reject a scientific theory?

• new magazine articles

• careful reading of facts

• repeated experiments

• new evidence or new interpretations

Tags

NGSS.MS-LS2-4

In science, a fact is

• not testable

• the same as a variable

• strong hypothesis

• a confirmed observation