WONDER #786: How Do Things Glow in the Dark?
Question 1 of 3
Glowing in the dark is also known as...
- strontium aluminate.
Question 2 of 3
What has to happen before phosphors can radiate visible light?
- They have to be washed thoroughly.
- They need to be warmed up in the oven.
- They need to be exposed to light.
- They have to be left alone for several hours.
Question 3 of 3
Which of these is NOT a reason for living creatures to glow in the dark?
- Find food
- Attract mates
Check your answers online at https://www.wonderopolis.org/wonder/how-do-things-glow-in-the-dark.