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/index.php/wonder/how-do-roller-skates-work.