Chapter 1 Biology

Question 1

An inference is

Accepted Answer

a logical interpretation of an observation

Question 2

Which of the following is TRUE about a controlled experiment?

Accepted Answer

only one variable is tested at a time

Question 3

Leaves change color in the autumn in Michigan.

Accepted Answer

observation

Question 4

Scientists will never know for sure why dinosaurs became extinct. Therefore, scientists should

Accepted Answer

continue to learn as much as they can about extinction

Question 5

The work of scientists usually begins with

Accepted Answer

careful observations

Question 6

The variable that is purposefully changed in an experiment:

Accepted Answer

independent

Question 7

Which of the following is NOT a characteristic of living things?

Accepted Answer

using air to breathe

Question 8

What does a reviewer do during peer-review?

Accepted Answer

checks for errors in experiments and bias

Question 9

Leaves change color because the chlorophyll breaks down revealing colors under

Accepted Answer

inference

Question 10

The statement "The worm is 2 cm long" is a(n)

Accepted Answer

quantitative observation

Question 11

Which of the following is the 1st step of the scientific method?

Accepted Answer

observing and asking questions

Question 12

Which of the following is the 4th step of the scientific method?

Accepted Answer

collecting and analyzing data

Question 13

Why do scientists only test one variable at a time?

Accepted Answer

so that they can tell what is causing the change

Question 14

Which of the following is NOT a scientific attitude that leads to new discoveries?

Accepted Answer

negativity

Question 15

Which of the following is the 5th step of the scientific method?

Accepted Answer

making a conclusion

Question 16

What is the variable that changes in response to the independent variable?

Accepted Answer

dependent variable

Question 17

The ball is yellow and round.

Accepted Answer

observation

Question 18

To be useful in science, a hypothesis must be

Accepted Answer

testable

Question 19

A skeptical attitude in science

Accepted Answer

ensures scientists will not accept a new idea unless they have evidence

Question 20

There is uncertainty in science because

Accepted Answer

new information is being learned all the time

Question 21

Which of the following statements is NOT an observation:

Accepted Answer

the insect's pattern shows that it's poisonous

Question 22

The purpose of peer review in science is to ensure that

Accepted Answer

they are following standards set by the scientific community

Question 23

A scientific hypothesis....

Accepted Answer

can be tested by experiments or observations

Question 24

Why aren't theories considered absolute truths?

Accepted Answer

they can be modified or rejected when new research occurs

Question 25

The petals are falling off the flower because it has been pollinated.

Accepted Answer

inference

Question 26

A scientific theory is.....

Accepted Answer

a well-tested explanation that unifies a lot of observations

Question 27

Which of the following is the 2nd step of the scientific method?

Accepted Answer

inferring and making hypotheses

Question 28

The grass is not getting enough water so it is turning brown.

Accepted Answer

inference

Question 29

Which of the following are goals of science?

Accepted Answer

to use explanations to make use predictions about events, to provide natural explanations for events

Question 30

Which of the following is the 3rd step of the scientific method?

Accepted Answer

designing a controlled experiment

Question 31

The process by which organisms keep their internal conditions relatively stable:

Accepted Answer

homeostasis

Chapter 1 Biology

Questions 31

Chapter 1 Biology

Questions 31