WONDER #1829: Why Does Ice Float in Water?

Question 1 of 3

Ice floats in water, because ice is less what than water?

1. dense
2. cold
3. gaseous
4. solid

Question 2 of 3

A water molecule features one oxygen atom bound to two atoms of what?

1. oxygen
2. nitrogen
3. plutonium
4. hydrogen

Question 3 of 3

Water reaches its maximum density at what temperature?

1. 32º F (0º C)
2. 40º F (4.4º C)
3. 90º F (32.2º C)
4. 212º F (100º C)

Check your answers online at https://wonderopolis.org/wonder/why-does-ice-float-in-water.