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Convex and Concave Lenses: Science Experiment on Optics

How do convex and concave lenses compare to each other? Have you ever used a magnifying lens to look at things far away? Did you know that some lenses flip images? Have you ever used a lens to cast an image on a wall? Watch your students become scientists as they dig into these fascinating questions.


Questions Answered:

How do convex and concave lenses compare to each other? How do convex and concave mirrors compare to each other? What do curved lenses and curved mirrors have in common?


Topics Addressed:

Convex or converging lenses act like concave or converging mirrors. Concave or diverging lenses act like convex or diverging mirrors. Objects appear different when viewed through convex lenses depending on how you hold them.


Learn to use scientific equipment:

Diverging and converging lenses and mirrors


Skills and Tasks involved:

Compare and contrast convex and concave lenses.


Materials Needed

Convex lenses of at least two different focal lengths, metric measuring tape, white screen


Preparation Time

none needed


NOTE: This activity is part of the Light, Optics, & Color Unit found here.

Convex and Concave Lenses: Science Experiment on Optics


    Answer Keys and Teacher Notes address most questions and issues that might arise in this study—you shouldn’t have to do any outside research unless you want to.

    Connect with me: If you have questions or problems, please let me know and I’ll get back to you as soon as I can.


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