Science Vocabulary Q1 Quiz

What is the difference between qualitative data and quantitative data?

• Qualitative data is descriptive and subjective, while quantitative data is numerical and objective.

• Qualitative data is based on observations, while quantitative data is based on experiments.

What is an independent variable in an experiment?

• The independent variable is the variable that is manipulated or changed by the researcher.

• The independent variable is the variable that is measured in the experiment.

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What is a dependent variable in an experiment?

• The dependent variable is the variable being measured or observed.

• The dependent variable is the variable that remains constant throughout the experiment.

What is a controlled variable in an experiment?

• A controlled variable in an experiment is a variable that is randomly selected for testing.

• A controlled variable in an experiment is a variable that is kept constant or unchanged throughout the experiment.

What is a hypothesis in scientific research?

• A hypothesis is a proposed explanation or prediction for a phenomenon or observed data that can be tested through experimentation or further investigation.

• A hypothesis is a proven fact in scientific research.

What is the reflex action in the nervous system?

• A delayed response to a stimulus

• An involuntary and automatic response to a stimulus

What is a neuron in the nervous system?

• A neuron is a type of muscle in the nervous system.

• A neuron is a specialized cell in the nervous system.

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What is a stimulus in the nervous system?

• A stimulus is a type of medication used to treat nervous system disorders.

• Any event or factor that provokes a response from the sensory organs or neurons.

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What is homeostasis in the human body?

• The body's ability to adapt to external changes.

• The body's ability to maintain a stable internal environment despite external changes.

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What is the process of photosynthesis?

• The process by which plants convert sunlight into energy.

• The process by which plants convert water into oxygen.

• The process by which plants convert carbon dioxide into glucose.

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