What different kinds of radiation do when absorbed
Grade 11 Science Worksheet - Challenge Me
Circle the best answer, or write your answer on the line.
RadiologyInfo lists natural background as about 3 mSv a year and a chest X-ray as 0.1 mSv. A year of natural background equals how many chest X-rays, Ari?
RadiologyInfo lists natural background as about 3 mSv a year and a dental X-ray as 0.005 mSv. A year of natural background equals how many dental X-rays, Bo?
A blog post says: “Wi-Fi radio waves knock electrons out of atoms.” Is that supported, Jun?
- Yes: Wi-Fi is a kind of X-ray
- No: radio waves are non-ionizing
- Yes: wireless signals are ionizing
A clinic leaflet says: “A chest X-ray gives about as much radiation as 10 days of natural background.” Is that supported, Kira?
- No: it equals 10 years of background
- Yes: RadiologyInfo agrees
- No: chest X-rays give no radiation
A social post says: “Microwaved soup stays radioactive for hours.” Is that supported, Luz?
- No: microwaves just warm food
- Yes: microwaves are ionizing
- Yes: soup soaks up radiation
Milo says a strong enough radio signal would become ionizing. Agree or disagree?
- Agree: more power means ionizing
- Agree: brighter beams have bigger photons
- Disagree: each photon is too weak
Pia says sunscreen works by blocking much of the sun's ultraviolet. Agree or disagree?
- Disagree: sunscreen blocks visible light
- Agree: UV causes sunburn
- Disagree: sunburn comes from infrared
Which band is best suited to warming the water in food quickly, Ren?
- Microwaves
- Radio waves from a broadcast tower
- X-rays
Which band lets a dentist take a picture of teeth inside the jaw, Tala?
- Infrared
- Radio waves
- X-rays
Which band makes the hidden marks on some banknotes glow under a special lamp, Zee?
- Gamma rays
- Ultraviolet
- Microwaves