Otto Stern — Questions and answers
Read the full story
What exciting thing were Otto Stern and Walter Gerlach trying to find out with their experiment?
Choices
- How to make atoms disappear.
- The hidden magnetic powers of individual atoms. ✓
- Why classic science was always right.
- How to build bigger magnets.
Answer: The hidden magnetic powers of individual atoms.
From page 1
What surprising pattern did Stern and Gerlach see on the glass plate after the experiment?
Choices
- A very wide, blurry line of silver.
- Two clear, separate lines of silver. ✓
- Lots of tiny silver dots all over.
- A big, round silver spot.
Answer: Two clear, separate lines of silver.
From page 6
After studying silver atoms, what new challenge did Otto Stern take on in the 1930s?
Choices
- He tried to find a new type of atom.
- He tried to measure the magnetic power of a proton. ✓
- He wanted to make a stronger magnet.
- He tried to count how many atoms were in a beam.
Answer: He tried to measure the magnetic power of a proton.
From page 7
What surprising thing did Otto Stern's measurement of the proton's magnetic moment show?
Choices
- That protons were exactly as simple as scientists thought.
- That protons were much bigger than atoms.
- That protons had a complicated structure inside them. ✓
- That protons could fly through walls.
Answer: That protons had a complicated structure inside them.
From page 8
Which amazing medical technology that helps doctors see inside our bodies was helped by Otto Stern's work?
Choices
- Microscopes to see tiny germs.
- X-ray machines that show bones.
- Magnetic Resonance Imaging (MRI) that looks inside us. ✓
- Stethoscopes to listen to hearts.
Answer: Magnetic Resonance Imaging (MRI) that looks inside us.
From page 9
What special award did Otto Stern receive for his important discoveries in physics?
Choices
- A trophy for the best experiment.
- The Nobel Prize in Physics. ✓
- A certificate for being a great teacher.
- The Golden Science Award.
Answer: The Nobel Prize in Physics.
From page 10