Why might a seedling placed in a full cup of water not grow as well as a seedling wrapped in a wet paper towel?

PART A: Students grew four groups of bean seedlings under different conditions. After five days, they measured the change in mass for each group.

PART B: Students grew four groups of bean seedlings under different conditions. After five days, they measured the change in mass for each group.

Soil helps plants grow, but most of a plant’s mass comes from air and water. What are two important ways that soil helps a plant?

Use the table to match what plants need with the source that provides it.

Both Gina and Leo are trying to get a bean seed to grow. Their methods are shown in the model below.