The Mysterious Experiment

What was the dependent variable in the students' experiment?

• The height of the plant

• The color of the leaves

• The number of leaves

• The type of plant

What did the ninth graders find hidden beneath the school in Willow Creek?

• An old, dusty laboratory

• A treasure chest

• A secret library

• A hidden classroom

In the experiment conducted by the students, what was the independent variable?

• The amount of sunlight a plant received

• The type of soil used

• The amount of water given to the plants

• The temperature of the room

Which factors did the students keep constant during their experiment?

• Type of soil and amount of water

• Amount of sunlight and type of plant

• Temperature and humidity

• Type of plant and size of pot

What conclusion did the students reach at the end of their experiment?

• Plants receiving more sunlight grew taller

• Plants with more water grew faster

• Different soil types affected plant growth

• Temperature changes influenced plant height