Question

Mario at lab table A needs a pair of forceps (tweezers). Max at lab table B tosses Mario a pair. In terms of laboratory safety, which best describes Max’s behavior?
It demonstrates a lack of planning.
It is unsafe and can result in someone getting hurt.
It is safe and appropriate.
It shows proper handling of equipment.

Answer 1

@sciencewiz3000

Answer 2

It is unsafe and can result in someone getting hurt.

Answer 3

thank u!

Answer 4

After observing a moth that is camouflaged against dark-colored bark, a scientist asks a question. The scientist discovers that the question has already been asked and answered by several investigations. What should the scientist do?
The scientist should test the question anyway.
The scientist should broaden the scope of the question.
The scientist should come up with a new way to test the question.
The scientist should revise the question to address a gap in knowledge.

Answer 5

The scientist should revise the question to address a gap in knowledge.

Answer 6

thanks

Answer 7

Which factor is found in a scientific claim?
endorsement by famous scientists
data collection from only one facility
similar results in multiple tests of the claim
identical data across all tests of the claim

Answer 8

similar results in multiple tests of the claim

Answer 9

thank u ^_^

Answer 10

Examine the following list of questions.

1. Why do butterflies like flowers?
2. Should I feed the raccoons that visit my trash can?
3. What color are hawks?
4. Does a mother duck love her babies?

Which statement correctly describes why each question is nonscientific?
Question 1 refers to the supernatural.
Question 2 reflects a moral or social value.
Question 3 refers to something that cannot be measured.
Question 4 reflects a question that has already been investigated.

Answer 11

1. Question 4
2. Question 1
3. Question 3
4. Question 2

Answer 12

i only can choose one answer i didn't understand which one is the answer

Answer 13

oh so there can only be one answer for all of them?

Answer 14

yes sir the Choices are
Which statement correctly describes why each question is nonscientific?
Question 1 refers to the supernatural.
Question 2 reflects a moral or social value.
Question 3 refers to something that cannot be measured.
Question 4 reflects a question that has already been investigated.

Answer 15

sir can u answer me faster please cuz the time of that lesson about to finish

Answer 16

So the answer would be 2

Answer 17

thank u

Answer 18

Dr. Katherine Pollard, a biostatistical researcher, recently changed the method that she used to compare human and chimpanzee DNA. Her research showed that the differences between the two species’ DNA are in segments called switches, which turn certain genes on or off. What is the most likely outcome of Dr. Pollard’s research?
Theories that are related to the evolution of humans from apes will change.
The laws of segregation and independent assortment will change.
Dr. Pollard will change experimental methods and repeat the study.
The hypothesis will be rewritten to match the outcome of the study.

Answer 19

Theories that are related to the evolution of humans from apes will change.

Answer 20

thanks

Answer 21

No problem

Answer 22

Our current understanding of evolution is called a theory because it has been
supported repeatedly as new discoveries have been made.
proven to be exactly true as originally proposed.
corroborated by data that were gathered during a single experiment.
developed from the postulates of many scientists.

Answer 23

developed from the postulates of many scientists.

Answer 24

thanks

Answer 25

Lloyd’s lab partner is looking down into a test tube while he heats the contents by using a flame. Which action should Lloyd recommend to his partner if heating must continue?
Wear safety goggles while looking into the opening of the test tube.
Cover the opening of the test tube so that no materials can boil out of it.
Move the test tube so that the opening is pointing away from all students.
Put the test tube in a hot water bath so that no water can enter its opening.

Answer 26

Wear safety goggles while looking into the opening of the test tube.

Answer 27

Maribel places her backpack and lunch bag on a lab table where there are lab materials. What is the safest way for Maribel to arrange the items?

Both the personal items and the lab materials should be arranged neatly along the edge of the table.
Both the personal items and the lab materials should be arranged in the center of the table.
The lab materials should be in the center of the table, and the personal items should be on the edge of the table.
The personal items should be off the table, and the lab materials should be placed neatly away from the edge of the table.

Answer 28

The personal items should be off the table, and the lab materials should be placed neatly away from the edge of the table.

Answer 29

thank u sir so much

Answer 30

What is a scientific question?
a question that is asked by scientists only
a question that is based on observations and that is testable
a question that is broad and that reinforces existing knowledge
a question that has a simple answer that doesn’t need to be tested

Answer 31

Hope my answers helped :) and good luck with the assignment :P:)

Answer 32

a question that is based on observations and that is testable