Scientific Method Final Quiz 2023

The dependent variable is:

• What is being tested or manipulated
• What is being measured or observed
• What is guessed by the researcher
• What is used as a comparison group

The independent variable is:

• What is being observed or measured
• What remains the same throughout the experiment
• What is being tested or manipulated
• What is guessed by the researcher

Aria, Anika, and Emma are conducting a science experiment to understand how fertilizer affects the oxygen levels in a fish tank. For part of the experiment, they use tank water that contains no fertilizer. The tank water without fertilizer would be what part of the experiment?

• Control Group

• Constant Variable

• Independent Variable

• Dependent Variable

The control group is:

• The group without the independent variable
• What is being measured or tested
• What is being manipulated or observed
• A variable that could change, but does not

Descriptive research answers scientific questions based on: (Hint: what Dr. John Snow did)

• Experiments
• Observations

Experimental research answers scientific questions based on:

• Observations
• Experiments

Why are models used in science?

• To show things that happen too quickly or slowly
• To show things that may be too dangerous or expensive
• To show things that may be too big or small to see
• All the above

David, Maya, and Ethan are conducting a science experiment where they are growing plants under different conditions. Which vocabulary term best describes the act of David measuring each plant's height?

• Dependent Variable

• Constant

• Control Group

• Independent Variable

In a science experiment, Jackson planted three types of plants. The third plant that he planted was not given any fertilizer. In this scenario, what vocabulary term best describes the third plant that Jackson planted?

• Constant Variable

• Independent Variable

• Dependent Variable

• Control Group

Grace, Mia, and Evelyn are conducting a physics experiment with skateboards. They want to ensure their results are consistent. What should they keep constant in their experiment? Choose one or more correct answers.

• a. The type of surface they are skateboarding on

• b. The amount of force they apply while skateboarding

• c. The distance they travel on the skateboard

• d. The type of skateboard they use