Medical Detectives Review Quiz

Imagine you're a detective like Michael, Aria, and Jackson, solving a mystery experiment! What role does the control group play in your investigation?

• To compare results

• To change the independent variable

• To test new hypotheses

• To eliminate variables

Answer explanation

The purpose of a control group in an experiment is to compare results against the experimental group. This helps determine the effect of the independent variable by providing a baseline for comparison.

Hey Mason and Avery, do you know how those sneaky viruses manage to reproduce?

• Dividing like bacteria

• Using host cells to replicate

• Growing larger on their own

• Consuming nutrients

Answer explanation

Viruses cannot reproduce independently; they require host cells to replicate. Unlike bacteria that divide on their own, viruses hijack the cellular machinery of host cells to make copies of themselves.

Arjun and Aria are on a quest to discover which system teams up with the nervous system to keep our bodies in balance. Can you help them find out?

• Circulatory

• Endocrine

• Digestive

• Muscular

Answer explanation

The endocrine system works closely with the nervous system to regulate bodily functions and maintain homeostasis through hormones, complementing the rapid signaling of the nervous system.

Imagine you're a scientist like Aiden, Anika, or Ethan. What role does the independent variable play in your exciting experiment?

• It is measured in the experiment

• It is kept the same throughout

• It is changed to observe its effects

• It is used to compare results

Answer explanation

The independent variable is the factor that is changed in an experiment to observe its effects on the dependent variable. This allows researchers to determine the relationship between the two variables.

Aria and Liam are on a quest to find out which tiny troublemaker causes athlete’s foot. Can you help them by choosing the right microorganism?

• Virus

• Bacteria

• Fungus

• Parasite

Answer explanation

Athlete's foot is caused by a fungus, specifically dermatophytes, which thrive in warm, moist environments. This makes 'Fungus' the correct answer, as viruses, bacteria, and parasites do not cause this condition.

In the world of science, what magical role does a hypothesis play? Join Abigail, Henry, and Maya as they explore this mystery!

• Describes the procedure

• Predicts an outcome

• Reports experimental data

• Compares variables

Answer explanation

A hypothesis predicts an outcome based on the relationship between variables. It is a testable statement that guides research, unlike describing procedures, reporting data, or comparing variables.

Tags

NGSS.MS-PS2-2

During a lively debate in science class, Liam and Aria are trying to settle a bet. Liam insists that viruses are living organisms, while Aria disagrees. Who's right?

• Liam is right

• Aria is right

Answer explanation

Viruses are not considered living organisms because they cannot reproduce or carry out metabolic processes independently. They require a host cell to replicate, which distinguishes them from true living organisms.

Hey Zoe and Mason, did you know that some bacteria are actually our tiny friends and can be beneficial to humans?

• True

• False

Answer explanation

True. Bacteria play essential roles in human health, such as aiding digestion, producing vitamins, and protecting against harmful pathogens. Therefore, they can be beneficial to humans.

In the magical world of science experiments, is the independent variable the one you measure, like how many spells Elijah can cast in a minute?

• True

• False

Answer explanation

The independent variable is the factor that is manipulated in an experiment, not measured. The factor you measure is called the dependent variable, making the statement false.

Hey Avery, Nora, and Ethan! If you were scientists, what would you call a testable prediction for an experiment?

• Homeostasis

• Control Group

• Hypothesis

• Experimental Design

Answer explanation

A testable prediction for an experiment is called a hypothesis. It is a statement that can be tested through experimentation, making it a fundamental part of the scientific method.