FREE!

Photosynthesis and Cellular Respiration

Engage your students with a fun, drag-and-drop virtual lab!

  • Provide users with a hands-on example of real-life lab work
  • Design an experiment to monitor a plant’s photosynthesis and respiration using the colorful pH indicator BTB
  • Predict how a plant in the light or in the dark will change the color of the BTB solution
  • Use a spectrophotometer to track BTB color change in a risk-free environment
  • Read an absorbance graph to answer your scientific questions
  • Learn how plants convert light to chemical energy
Launch Simulation
Duration
30-45 minutes
Published
August 4, 2023
Level
High School
Subject
Biochemistry, Biophysics, Biotechnology, Cell Biology, Plant Sciences

Learning objectives

  • Design an experiment addressing a research question about photosynthesis and cellular respiration.
  • Use a pH indicator to gather qualitative data on photosynthesis and cellular respiration.
  • Use a spectrophotometer to quantify data.
  • Interpret pH indicator and spectrophotometric data.

Concepts covered

Biochemistry, Biophysics, Biotechnology, Cell biology, Plant sciences

Standards

HS-LS1-5. Use a model to illustrate how photosynthesis transforms light energy into stored chemical energy. [Clarification Statement: Emphasis is on illustrating inputs and outputs of matter and the transfer and transformation of energy in photosynthesis by plants and other photosynthesizing organisms. Examples of models could include diagrams, chemical equations, and conceptual models.] [Assessment Boundary: Assessment does not include specific biochemical steps.]
HS-LS1-6. Construct and revise an explanation based on evidence for how carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form amino acids and/or other large carbon-based molecules. [Clarification Statement: Emphasis is on using evidence from models and simulations to support explanations.] [Assessment Boundary: Assessment does not include the details of the specific chemical reactions or identification of macromolecules.]
HS-LS1-7. Use a model to illustrate that cellular respiration is a chemical process whereby the bonds of food molecules and oxygen molecules are broken and the bonds in new compounds are formed, resulting in a net transfer of energy. [Clarification Statement: Emphasis is on the conceptual understanding of the inputs and outputs of the process of cellular respiration.] [Assessment Boundary: Assessment should not include identification of the steps or specific processes involved in cellular respiration.]

AP-3.4.A. Describe the photosynthetic processes and structural features of the chloroplast that allow organisms to capture and store energy.
AP-3.4.B. Explain how cells capture energy from light and transfer it to biological molecules for storage and use.
AP-3.5.A. Describe the processes and structural features of mitochondria that allow organisms to use energy stored in biological macromolecules.
AP-3.5.B. Explain how cells obtain energy from biological macromolecules in order to power cellular functions.

NGSS logo
Created with support from
Created with support from
Amgen Foundation

More suggestions

LabXchange

Qualitative Test of Photosynthesis

LabXchange

Transpiration and Water Potential

LabXchange

Photosynthesis and Cellular Respiration