Photosynthesis 7th Grade Science Worksheet Answers

Worksheet activities are a valuable resource for 7th-grade students who are eager to enhance their understanding of complex subjects like photosynthesis. By providing structured questions and exercises, these worksheets offer students an opportunity to explore key concepts and reinforce their learning. In this blog post, we will delve into the world of photosynthesis worksheets and how they can be a tool for students to master this fascinating biological process.

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What is photosynthesis?

Photosynthesis is the process by which plants, algae, and some bacteria convert light energy, typically from the sun, into chemical energy in the form of glucose. This process involves the absorption of carbon dioxide from the atmosphere, water from the soil, and sunlight captured by chlorophyll in chloroplasts to produce oxygen as a byproduct. Photosynthesis is essential for life on Earth as it is the primary way in which energy enters the food chain, providing the foundation for most ecosystems.

Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen.

Yes, that is correct. Photosynthesis is a vital biochemical process that allows plants to produce their own food by utilizing sunlight as an energy source to convert carbon dioxide and water into glucose and oxygen.

What are the two main parts of a plant involved in photosynthesis?

The two main parts of a plant involved in photosynthesis are the chloroplasts, where the process of photosynthesis takes place, and the leaves, which house the chloroplasts and contain stomata that allow for gas exchange necessary for photosynthesis to occur.

The two main parts are the leaves and the chloroplasts within the leaf cells.

The two main parts of a plant involved in photosynthesis are the leaves, where photosynthesis takes place, and the chloroplasts within the leaf cells, which contain chlorophyll and other pigments responsible for capturing sunlight and converting it into energy through the process of photosynthesis.

What is chlorophyll and why is it important in photosynthesis?

Chlorophyll is a green pigment found in the chloroplasts of plant cells that plays a crucial role in photosynthesis. It absorbs light energy from the sun, which is then used to convert carbon dioxide and water into glucose and oxygen. This process is essential for plants to produce their own food and release oxygen into the atmosphere, making chlorophyll vital for sustaining life on Earth.

Chlorophyll is a pigment found in chloroplasts that allows plants to capture sunlight and convert it into energy.

Chlorophyll is a pigment present in chloroplasts, enabling plants to absorb sunlight and convert it into energy through the process of photosynthesis.

What are the reactants (inputs) of photosynthesis?

The reactants (inputs) of photosynthesis are carbon dioxide (CO2) and water (H2O), which are used to produce glucose (C6H12O6) and oxygen (O2) in the presence of sunlight and chlorophyll.

The reactants are carbon dioxide, water, and sunlight.

These are the reactants involved in photosynthesis, a process in which carbon dioxide, water, and sunlight are used by plants to produce glucose (a form of sugar) and oxygen. Through the complex biochemical reactions of photosynthesis, plants are able to convert these simple reactants into energy-rich molecules that serve as the foundation of the food chain for most living organisms on Earth.

What are the products (outputs) of photosynthesis?

The products (outputs) of photosynthesis are glucose (a simple sugar), oxygen, and water.

The products are glucose (sugar) and oxygen.

Correct, the products of cellular respiration are glucose (sugar) and oxygen. During cellular respiration, glucose is broken down in the presence of oxygen to produce energy in the form of ATP, with carbon dioxide and water also being byproducts of this process.