FINAL EXAM REVIEW PART 1

Which of the following is the first step in ANY emergency procedure?

• Call 911
• Tell the teacher.
• Go to the eye wash station.
• Use the fire extinguisher.

What is located at the location marked with an "X"?

• Fire extinguisher
• Safety shower
• Emergency gas switch
• Fire blanket

What is located at the location marked with an "X"?

• Fire extinguisher
• Safety shower
• Emergency gas switch
• Fire blanket

Which of the following shows measurement conversions done correctly?

• 
• 

Indicate the number of significant figures in the following number: 0.0056

• 2
• 3
• 4
• 5

Round the following calculator answer to the correct number of sig figs: 23.1 x 7.2 = 166.32 (HINT:count the sig figs in the problem first...)

• 200 to one sigfig
• 170 to two sigfigs
• 166 to three sigfigs

What is the correct standard notation for the following number:

• 727
• 72,000
• 72,000,000

What is the correct scientific notation for the number 562,000,000

• 
• 
• 

This famous scientist used the gold-foil experiment to support his idea that the atom has a positive nucleus.

• Democritus
• Dalton
• Rutherford
• Thomson

This famous scientist used the cathode ray tube experiment to support his idea that the atom has negative electrons floating in a "plum-pudding" model.

• Democritus
• Dalton
• Rutherford
• Thomson