Shark Experiment

What is the testable question this group decided to use to begin their experiment?

• Can sharks detect a single drop of blood?

• Do sharks prefer blood over any other type of scent?

• How many sharks will pass by when blood is in the water?

• Do sharks like humans?

Which of the following should be kept constant to keep the experiment fair and accurate?

• The material of the surfboard.

• The distance between the surfboards and the boat.

• The amount of liquid.

• The time the experiment ran.

• The type of liquid.

The type of liquid was tested in this experiment. This makes it the

• Independent Variable

• Dependent Variable

• Constant

• Control

The number of sharks around the boards were measured in this experiment. This makes it the

• Independent Variable

• Dependent Variable

• Control

• Constant

According to the data, do sharks prefer blood over any other scent?

• Yes

• No

• There is not enough data to determine.

Why is the sea water the control?

• To see if sharks are aggressive.

• To see if the sharks would swim around the surfboard regardless of the liquid in the bag.

• You always have to have room temperature water in an experiment as the control.

• To see if the sharks would swim around the surfboard regardless of the liquid in the bag.