WONDER #1401: How Does Heat Both Straighten and Curl Hair?

Question 1 of 3

What tool might you use if you want to curl your hair?

  1. curling iron
  2. hammer
  3. comb
  4. screwdriver

Question 2 of 3

Heat helps you to mold your hair into new shapes by breaking down your hair’s what?

  1. roots
  2. hydrogen bonds
  3. color
  4. scalp

Question 3 of 3

In addition to heat, what substance can also break down your hair’s hydrogen bonds?

  1. magnesium
  2. oxygen
  3. nitrogen
  4. water

Check your answers online at https://wonderopolis.org/wonder/how-does-heat-both-straighten-and-curl-hair.