WONDER #1927: How Do Trees Make Sap?
Question 1 of 3
When temperatures drop below freezing, what kind of pressure develops within a tree?
Question 2 of 3
It takes about how many gallons of sap to make one gallon of maple syrup?
Question 3 of 3
Sap moves through part of the outer tree trunk called what?
Check your answers online at https://www.wonderopolis.org/wonder/how-do-trees-make-sap.