5th Grade Science Flashcards: Trace Energy From Sun To Plants

What this deck covers

This deck focuses on Trace Energy From Sun To Plants, giving you a quick way to review the definitions, rules, and examples that matter most for 5th Grade Science.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: Which structure carries sugars made in leaves to other plant parts: xylem or phloem?

Answer: Phloem. These tubes transport sugars from leaves to all plant parts.

Flashcard 2: Which energy path correctly traces energy into a plant: Sun → plant or plant → Sun?

Answer: Sun → plant. Energy flows from the sun into the plant, not the reverse.

Flashcard 3: Identify the correct energy change in a plant during photosynthesis: light → chemical or chemical → light?

Answer: Light energy → chemical energy. Photosynthesis converts light into chemical bonds in glucose.

Flashcard 4: Which model shows the correct inputs for photosynthesis: $CO_2$ + $H_2O$ + light or $O_2$ + glucose + light?

Answer: $CO_2$ + $H_2O$ + light. These are the reactants that plants use to make food.

Flashcard 5: What is the correct word equation for photosynthesis (no balancing): $CO_2$ + $H_2O$ + light → ?

Answer: Glucose + $O_2$. The complete equation shows reactants converting to products.

Flashcard 6: In a model, where is most light energy captured in a plant: roots, stems, or leaves?

Answer: Leaves. Leaves have the most chloroplasts and surface area for light capture.

Flashcard 7: Which structure carries water upward to leaves for photosynthesis: xylem or phloem?

Answer: Xylem. These tubes transport water from roots to leaves for photosynthesis.

Flashcard 8: Choose the best simple energy-tracing model for a plant: Sun → chloroplast → glucose or Sun → roots → oxygen.

Answer: Sun → chloroplast → glucose. This path shows light energy captured and converted to sugar.

Flashcard 9: Which statement best describes energy in glucose made by plants: stored as light or stored as chemical energy?

Answer: Stored as chemical energy. Light energy is converted and stored in glucose's chemical bonds.

Flashcard 10: What gas is released into the air as a product of photosynthesis?

Answer: Oxygen ($O_2$). This waste product of photosynthesis is essential for animal life.

Flashcard 11: What sugar is the main chemical energy product made by photosynthesis?

Answer: Glucose ($C_6H_{12}O_6$). This simple sugar stores the sun's energy in chemical bonds.

Flashcard 12: What is the term for organisms like plants that make their own food using sunlight?

Answer: Producers. These organisms convert inorganic materials into organic food.

Flashcard 13: In a simple model, which structures on leaves allow carbon dioxide to enter?

Answer: Stomata. Tiny pores that open and close for gas exchange.

Flashcard 14: Which plant organ is the main site where photosynthesis happens: roots, stems, or leaves?

Answer: Leaves. Leaves have the most chloroplasts for photosynthesis.

Flashcard 15: Which gas do plants release into the air as a product of photosynthesis?

Answer: Oxygen. $O_2$ is a byproduct when water molecules split.

Flashcard 16: What substance do plants absorb through roots that is needed for photosynthesis?

Answer: Water. Roots absorb $H_2O$ needed to make glucose.

Flashcard 17: Which gas do plants take in from the air as a reactant for photosynthesis?

Answer: Carbon dioxide. Plants use $CO_2$ from air to build sugar molecules.

Flashcard 18: Which form of energy from the Sun is captured by plants during photosynthesis?

Answer: Light (radiant) energy. Electromagnetic radiation travels from Sun to Earth.

Flashcard 19: Identify the correct model statement: photosynthesis stores energy or releases stored energy from sugar?

Answer: Photosynthesis stores energy in sugar. Photosynthesis builds sugar; respiration releases energy.

Flashcard 20: Which statement correctly traces energy: plants get energy from soil or from sunlight?

Answer: Plants get energy from sunlight. Soil provides minerals, not energy for photosynthesis.

Flashcard 21: Choose the correct set of photosynthesis outputs for a model: glucose, oxygen, water, carbon dioxide.

Answer: Glucose and oxygen. Sugar stores energy; oxygen is released as waste.

Flashcard 22: Choose the correct set of photosynthesis inputs for a model: light, water, carbon dioxide, oxygen.

Answer: Light, water, and carbon dioxide. These reactants combine to form glucose and oxygen.

Flashcard 23: Identify the best model arrow direction for energy flow: Sun, plant, sugar.

Answer: Sun → plant → sugar (stored chemical energy). Energy flows from source to producer to product.

Flashcard 24: What green pigment in plants absorbs light energy for photosynthesis?

Answer: Chlorophyll. This molecule absorbs red and blue light wavelengths.

Flashcard 25: What is the original source of almost all energy used by plants on Earth?

Answer: The Sun. Nuclear fusion in the Sun powers Earth's ecosystems.

Flashcard 26: What is the name of the process in which plants use sunlight to make food?

Answer: Photosynthesis. Plants convert light energy into chemical energy in sugar.

Flashcard 27: What form of energy is stored in the sugar made by a plant during photosynthesis?

Answer: Chemical energy (stored in glucose). Light energy is converted and stored in glucose molecules.

Flashcard 28: Find the missing input in this photosynthesis model: $CO_2$ +   + light → glucose + $O_2$.

Answer: $H_2O$. Water combines with carbon dioxide in photosynthesis.

Flashcard 29: Find the missing product in this model: $CO_2$ + $H_2O$ + light → glucose +  .

Answer: $O_2$. Oxygen is the byproduct released during photosynthesis.

Flashcard 30: Which statement is correct in an energy model: plants make energy or plants transform energy?

Answer: Plants transform energy. Energy cannot be created, only changed from one form to another.