Amylase and starch digestion
Use a compatible starch–iodine test to follow starch breakdown. Students can identify a comparison, predict an outcome and discuss why the same starting conditions matter.
View the enzyme at S&T ↗KS3 enzyme experiments that spark curiosity.
Help students connect the invisible world of enzymes to changes they can observe. KS3 practical biology can introduce digestion, substrates, fair testing and scientific explanations through carefully chosen demonstrations and investigations.
Explore the enzyme collection ↗Enzyme experiment ideas
Catalase and reaction rates
Observe oxygen formation under teacher-approved conditions. Compare a control with an enzyme reaction and discuss what counts as evidence for a change.
View the enzyme at S&T ↗Plan a meaningful practical
Build the lesson around one clear question. Ask students what they expect, what they will observe and which conditions must stay the same. A teacher demonstration can establish the method before pupils work in groups. Encourage students to describe observations before introducing a molecular explanation.
Choose kits and supplies for your teaching lab
The Amylase Education Kit includes instructions, a poster, enzyme, starch and supporting equipment. It is listed for ages 11+ with competent adult supervision. Check the contents and preparation requirements against your lesson plan. Individual enzyme supplies are also available when your department already has equipment.
Investigation ideas, not a complete practical protocol. Check product-specific instructions, SDS, assay compatibility and your institution’s assessment before use.