5 LIFE HACKS BASED ON SCIENCE

The video shares practical life hacks, including checking sunglasses polarization using a phone screen, preventing headphone tangles with a Figure 8 wrap, efficiently cooling a hot car by releasing hot air first, avoiding static shock when exiting a car, and removing sticker residue with oil. The presenter encourages viewer interaction and shares a joke, inviting viewers to engage with science-related content.

What is the purpose of turning polarized sunglasses in front of a phone screen?

• To see if the sunglasses are polarized

• To clean the sunglasses

• To adjust the brightness of the phone

• To check if the phone screen is working

Why does wrapping headphones in a Figure 8 help prevent tangling?

• It increases the sound quality

• It makes the headphones look stylish

• It reduces the twists that cause tangles

• It shortens the length of the headphones

What should you do first when entering a hot car to cool it down effectively?

• Close all vents

• Turn on the heater

• Open the windows

• Turn on the radio

How can you avoid getting shocked by static electricity when exiting a car?

• Touch the door frame as you exit

• Close the car door with your foot

• Jump out of the car quickly

• Wear rubber gloves

What is the principle behind using oil to remove sticker residue?

• Like dissolves like; oil is nonpolar

• Oil is polar and dissolves polar substances

• Oil evaporates the residue

• Oil is sticky and attracts residue

Which of the following is a nonpolar substance that can remove sticker residue?

• Vinegar

• Acetone

• Salt

• Water

What is a potential downside of using nail polish remover to clean sticker residue?

• It doesn't work on glass

• It is too expensive

• It can dry out your skin

• It leaves a sticky film