Have you ever used a magnifying glass 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.
Accompanying videos can be used as you see fit: as background for yourself or as an introduction or review for the students. Check the link below to watch the video and judge for yourself.
• Measuring focal length of a lens
Learn to use scientific equipment:
• Diverging and converging lenses
Some of the Skills and Tasks involved:
• Find the focal length of convergent lenses.
• Compare and contrast convex and concave lenses.
To see the accompanying videos, click here:
Lenses & Focal Length
These experiments are part of a complete unit titled, Light, Optics, & Color and can be seen here:
Complete Light Unit on TpT
To see companion curricular pieces click here:
TpT Store Light & Color Category
Extensive teacher notes address the many questions that come up. You shouldn’t have to do outside research on this topic unless you want to. Specific charts and graphic organizers have keys.
20–30 minutes for each lab experiment.