What are photosynthetic rates?

Photosynthetic rates tell us how fast plants can make food using sunlight.

Imagine you're at a bakery that only works during the day. The bakers (which are like the parts inside the plant) take ingredients, sunlight, water, and carbon dioxide, and turn them into sugar (the food the plant eats), which it uses to grow. Now, if the bakery is super busy and the bakers work really fast, more bread gets made in less time. That’s like a high photosynthetic rate.

How Fast Can Plants Bake?

Some plants are like quick bakers, they can make lots of sugar quickly, even on a cloudy day. Others need bright sunlight to get going, like a bakery that only starts baking when the sun is shining strongly.

Think about your favorite plant, maybe a sunflower or a grass blade in the park. The faster it can turn sunlight into food, the more it can grow and thrive, just like how a busy bakery can serve more customers!

Take the quiz →

Examples

  1. A plant in bright sunlight can absorb more carbon dioxide and produce more oxygen than one in the shade.
  2. Imagine a factory where workers (chlorophyll) take in materials (carbon dioxide) to make products (sugar) using energy from light.
  3. Photosynthetic rates show how hard a plant is working to grow.

Ask a question

See also

Discussion

Recent activity