The Progress of Scientific Knowledge

Question 1

Which characteristics made Priestley and Lavoisier good scientists? Check all that apply.

Revolt · Accepted Answer

curiosity; creativity; skepticism

Question 2

Dalton developed the theory that all matter is made of atoms.

Revolt · Accepted Answer

1 Dalton developed the theory that all matter is made of atoms.

Question 3

Schrödinger developed the electron cloud model of the atom.

Revolt · Accepted Answer

5 Schrödinger developed the electron cloud model of the atom.

Question 4

Bohr developed the model in which electrons orbit the nucleus.

Revolt · Accepted Answer

4 Bohr developed the model in which electrons orbit the nucleus.

Question 5

Thomson discovered that atoms contain electrons.

Revolt · Accepted Answer

2 Thomson discovered that atoms contain electrons.

Question 6

How are problems best solved by scientists?

Revolt · Accepted Answer

Scientists with different backgrounds and areas of expertise each contribute to the solution.

Question 7

What scientific knowledge was necessary for Kroto, Smalley, and Curl to discover buckyballs? Check all that apply.

Revolt · Accepted Answer

All matter is made of atoms.; Atoms bond together in certain ways.; Carbon atoms have a specific mass.

Question 8

Scientists and engineers are studying ways to make artificial muscles out of carbon nanotubes. These muscles are lightweight and can handle very high temperatures. They could be used in robots, but not in humans. What is the most likely way these muscles could lead to additional scientific progress?

Revolt · Accepted Answer

They could allow scientists to explore remote places, like other planets, in new ways.

Question 9

Order the sequence of ideas that led to the current model of the atom. Place a number in front of each event to show the correct order. Rutherford discovered that atoms have a nucleus.

Revolt · Accepted Answer

3

The Progress of Scientific Knowledge Answers

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