WONDER #103: Why Is Sand or Salt Put On Roads When It Snows?

Question 1 of 3

Salt does what to the freezing point of water?

1. increases
2. decreases
3. doubles
4. triples

Question 2 of 3

Putting sand on an icy road helps to improve what?

1. traction
2. weather
3. photosynthesis
4. dialysis

Question 3 of 3

Salt needs what to begin the melting process?

1. sand
2. pepper
3. cheese
4. water

Check your answers online at https://wonderopolis.org/wonder/why-is-sand-or-salt-spread-on-the-road-when-it-snows.