Physics Girl Video Quiz

What is the main focus of the video featuring Diana and Justine?

• Scary science experiments

• Tech reviews

• Travel vlogs

• Cooking recipes

What causes the 'screaming' sound when metal touches dry ice?

• The spoon vibrating

• Rapid sublimation of dry ice

• The dry ice cracking

• The metal melting

Why does the dry ice experiment only work with thermally conductive materials?

• They heat up the dry ice quickly

• They are heavier

• They are easier to handle

• They are more colorful

What is the voltage produced by the Van de Graaff generator used in the video?

• 200,000 volts

• 100,000 volts

• 300,000 volts

• 400,000 volts

What happens to the doll's hair when exposed to the Van de Graaff generator?

• It gets wet

• It stands up

• It changes color

• It falls off

What is the purpose of using pie tins in the Van de Graaff generator experiment?

• To bake a cake

• To measure voltage

• To demonstrate levitation

• To create a loud noise

What is the main component of the final experiment involving a doll?

• A battery

• A magnet

• A plasma ball

• A laser

How does the plasma ball cause the doll's eyes to light up?

• By emitting light directly

• By transferring electrical energy to the bulb

• By providing a direct electrical connection

• By heating the bulb

What type of energy is present at the center of a plasma ball?

• Kinetic energy

• Thermal energy

• Electrical energy

• Nuclear energy

What happens to the gas inside the fluorescent bulb when near the plasma ball?

• It freezes

• It emits light

• It evaporates

• It changes color