Understanding Everyday Phenomena

Why is it challenging to develop a single treatment for the common cold?

• Because it is caused by a single virus.

• Because the viruses mutate slowly.

• Because it is caused by many different viruses.

• Because antibiotics are effective against it.

What is a recommended practice to protect your hearing when using headphones?

• Use earbuds instead of headphones.

• Use headphones for more than 60 minutes at a time.

• Keep the volume at maximum.

• Follow the 60x60 rule.

What is a symptom of noise-induced hearing loss?

• Ringing in the ears

• Better balance

• Improved hearing

• Increased energy

What is one reason why people snore?

• Sleeping on your stomach.

• Exercising before bed.

• Drinking too much water.

• Nasal congestion from allergies.

What role does age play in snoring?

• It reduces snoring.

• It has no effect.

• It weakens throat muscles.

• It strengthens throat muscles.

What principle explains why ships float?

• Friction

• Inertia

• Gravity

• Buoyancy

What happens when the weight of water displaced by a ship is equal to the weight of the ship?

• The ship sinks.

• The ship moves faster.

• The ship floats.

• The ship stops moving.

How do camels' long legs benefit them in the desert?

• They make walking across sand easier.

• They help them swim.

• They keep their body closer to the hot ground.

• They allow them to jump higher.

What is a common cause of bloating?

• Excessive exercise

• Drinking too much water

• Swallowing air

• Sleeping too much

Why might a cat circle around a person?

• To scare them away

• To mark them with their scent

• To show they are angry

• To indicate they are tired