WONDER #105: How Do Roller Skates Work?

Question 1 of 3

What type of skates feature wheels in a row along a blade like an ice skate?

  1. inline
  2. online
  3. offline
  4. dragline

Question 2 of 3

Roller skates rely on what to make the wheels turn freely and easily?

  1. laces
  2. grease
  3. oil
  4. bearings

Question 3 of 3

Bearing helps to reduce which force that would otherwise slow skates down?

  1. momentum
  2. friction
  3. gravity
  4. acceleration

Check your answers online at https://www.wonderopolis.org/wonder/how-do-roller-skates-work.