Science Max Video Quiz

What was the initial voltage output when Anthony and Phil first tried generating electricity?

• 2.4 volts

• 1.2 volts

• 3.5 volts

• 4.5 volts

Why was a larger generator not feasible for human power generation?

• It was too big for a person to turn

• It was too heavy

• It was too expensive

• It required too much maintenance

What happens when a wine glass is exposed to its resonant frequency?

• It vibrates and may break

• It produces a musical note

• It becomes stronger

• It changes color

What was used to simulate the weight on top of the popsicle stick tower in the earthquake table experiment?

• Metal weights

• Sandbags

• Water bottles

• Books

What was the main issue with the initial vibrobot design?

• It shook itself apart

• It was too expensive

• It was too noisy

• It was too slow

How did the team improve the vibrobot's performance?

• By adding more paint

• By using a smaller motor

• By reducing its size

• By adding an extra battery

What was used to make the vibrobot's motor unbalanced?

• A full circle wheel

• A half circle wheel

• A square wheel

• A triangular wheel

What was the purpose of adding paint brushes to the vibrobot?

• To create art

• To stabilize it

• To make it quieter

• To clean the floor

What is the difference between vibration and frequency?

• Vibration is the sound produced, frequency is the pitch

• Vibration is the back and forth motion, frequency is how often it occurs

• Vibration is the energy level, frequency is the amplitude

• Vibration is the speed of movement, frequency is the direction

What does a high frequency indicate about an object's movement?

• It moves quickly

• It moves in circles

• It moves slowly

• It doesn't move