Scientific Principles & Earth Systems Quiz

Hannah, Ava, and Arjun are curious about why leaves change color in the fall. What is the first step they should take in their scientific investigation?

• Perform an experiment

• Make an observation or ask a question

• Form a hypothesis

• Draw a conclusion

What is the ecological footprint and how is it measured?

• It is measured by the average income of the population

• It is measured by calculating the amount of biologically productive land and water required to produce the resources that a population consumes and to absorb the waste that the population produces.

• It is measured by the amount of plastic waste produced by a population

• It is measured by counting the number of species in a given area

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Explain the concept of Earth's environmental systems and provide an example.

• An example of Earth's environmental systems is the movement of tectonic plates, causing earthquakes and volcanic eruptions.

• An example of Earth's environmental systems is the water cycle, which involves the movement of water between the atmosphere, land, and oceans.

• The concept of Earth's environmental systems is related to the study of outer space and celestial bodies.

• Earth's environmental systems involve the interaction between humans and animals in different ecosystems.

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What are macromolecules and what are their functions in living organisms?

• Macromolecules are small molecules that are not essential for life

• Their functions in living organisms include causing diseases and infections

• Macromolecules are large molecules that are essential for life, including carbohydrates, proteins, nucleic acids, and lipids. Their functions in living organisms include providing energy, structural support, and carrying out essential biological processes.

• Macromolecules are only found in non-living organisms

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Discuss the unique properties of water and their significance in biological systems.

• Water's unique properties are only significant in non-living systems

• Water's unique properties are not related to temperature regulation or maintenance of cell structure

• Water's unique properties have no significance in biological systems

• Water's unique properties, such as high specific heat, cohesion, adhesion, and its ability to act as a solvent, are significant in biological systems for processes like temperature regulation, transportation of nutrients, and maintenance of cell structure.

What is the purpose of forming a hypothesis in the scientific method?

• To confuse other scientists

• To waste time and resources

• To propose a possible explanation for a phenomenon or a scientific question

• To prove that a phenomenon is true

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Describe the interactions between Earth's environmental systems and their impact on the planet.

• Interactions between Earth's environmental systems are not important for the planet

• Interactions between Earth's environmental systems and their impact on the planet can be described by considering the relationships between the atmosphere, hydrosphere, lithosphere, and biosphere, and how they affect climate, weather patterns, ecosystems, and natural resources.

• The relationships between the atmosphere, hydrosphere, lithosphere, and biosphere have no effect on climate, weather patterns, ecosystems, and natural resources

• The impact of Earth's environmental systems is minimal and insignificant

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Identify the different types of macromolecules and their roles in living organisms.

• Red blood cells, white blood cells, platelets, and plasma with their respective roles

• Carbon, hydrogen, oxygen, and nitrogen with their respective roles

• Carbohydrates, lipids, proteins, and nucleic acids with their respective roles

• Mitochondria, chloroplasts, ribosomes, and endoplasmic reticulum with their respective roles

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Explain the role of water in maintaining homeostasis in living organisms.

• Water has no role in maintaining homeostasis

• Water is only used for cleaning the body

• Water helps in regulating body temperature, transporting nutrients and oxygen to cells, and removing waste from the body.

• Water is only important for hydration

What is the role of the atmosphere in Earth's environmental systems?

• The atmosphere has no role in Earth's environmental systems

• The atmosphere is responsible for the weather and climate, and it protects life on Earth from harmful ultraviolet radiation

• The atmosphere is only important for providing oxygen for humans and animals to breathe

• The atmosphere is only important for blocking out the sun's heat

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