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Grade 5, Science
Std 5: Contrast ways in which light rays are bent by concave and convex lenses.

Describing how a prism forms a visible spectrum
Explaining why different objects have different colors
Describing how mirrors reflect light
Example: discussing differences in the reflection of light by convex and concave mirrors
Describing the relationship between the structure of the eye and sight
Identifying types of corrective lenses used to correct different sight problems
Examples: convex—farsightedness,
concave—nearsightedness
Identifying the contribution of van Leeuwenhoek to the development of the microscope

Lesson Plans:

Convex/Concave Lenses
The students will see how both convex and concave lenses work, some of the different uses of both types of lenses and do an experiment showing how these lenses work. Also, they will be able to describe terms related to lenses.

”I’ll Build You a Rainbow”
Experiments and demonstrations are used to help students understand that white visible light is composed of the colors of the spectrum.

Sight and Light
Students will understand the parts and functions of the eye

Nearsightedness
Students will develop an understanding of why scientific investigations may yield varying results.

Exploring the Path of Light
Students will gain an understanding that light travels in a straight path in all directions.

Light and Color
This lesson explores the color of light and pigments by illustrating the use of the visible light spectrum in our everyday life.

Looking Into Lenses
Students will learn about the differences between concave and convex lenses, and the practical uses for them.

Lenses
Through exploration and observation, students will discover what lenses are and what lenses can do.

Resources:

Gizmo Links to free five minute interactive resources for Physical Science

How we see things Students will see how angles of light effect how we see things

Light rays though lenses Background information

Light, Prisms, and the Rainbow Connection Scroll down for an activity with a prism

Reflection and Image Formation for Convex Mirrors Background information

How Corrective Lenses Work Background information about corrective lenses

The History of the microscope Background information about van Leeuwenhoek’s development of the microscope

Science Online A must see! Great site for links to Blueprint Skills, Lesson Plans, Topical Sites, Interactive Websites for Students and Worksheets

Science Clips You will find an alphabetical list of science interactive movie clips.

Suggestions for English Language Learners (ELLs):
(E/B=Entering/Beginning, D=Developing, E=Expanding)

E/B: Students chart the movement of the sun by making a daily check of where the sunlight lands at 12 pm. Students will fill in a chart daily, recording how far the sunlight has traveled; D: ...and will make an end of the week prediction as to where the sunlight will be by Monday; E: ...and will research and report on why the sunlight moves its position each day.

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