Physics Classroom
Light Intensity
Light intensity varies by the strength of the light bulb as well as the distance to the light bulb. Pupils apply these concepts independently at first. They must solve for the light intensity as either the distance or the wattage of the...
Exploratorium
Inverse Square Law
The inverse square law is revealed when your class participates in this activity. They move a graph paper or perfboard square back and forth in a square of light to see how the intensity changes. You will definitely want to add this...
PBS
Light Absorption: Effects of Light | UNC-TV Science
Beat the summer heat by exploring the properties of color. Scientists view a video explaining the relationship between light absorption and energy transfer using variables including intensity, time, and wavelength. A multiple-choice...
University of Colorado
Using Spectral Data to Explore Saturn and Titan
Saturn is really far away, but knowledge of its composition is within reach. Future astronomers learn how scientists use spectra to remotely determine the chemical composition of a planet or moon. They try out this concept by analyzing...
Teach Engineering
Bone Mineral Density Math and Beer's Law
Hop into a resource on Beer's Law. A PowerPoint presentation introduces Beer's law as part of calculating bone density from X-ray images in the sixth instructional activity in the series of seven. Individuals work on practice problems...
Teach Engineering
Light Intensity Lab
Let there be light. The last installment of a seven-part series has pupils conduct an experiment on light attenuation through different numbers of transparency sheets. They then relate the results back to how X-rays measure bone density.
Messenger Education
My Angle on Cooling—Effect of Distance and Inclination
When exploring Mars, spacecrafts are exposed to 5-11 times more sunlight than when near Earth. Groups of pupils complete a hands-on activity to explore how distance and angle of the sun affect temperature. Through discussions, they then...
Exploratorium
Oil Spot Photometer
Are these two light sources the same? Groups use a white card and a little cooking oil to create a photometer that allows for the comparison of two lights. The Inverse Square Law provides a way to calculate the actual difference in...
Curated OER
Physics 152 Fall 2004 Final Exam, Parts A, B, C, D
At the end of a general physics course focused on light and electricity, you can administer this exam. Concepts covered include electromagnetism, circuits, induction, light rays, lenses and mirrors, characteristics of light, electron...
Curated OER
Dependence of Light Intensity on Distance
Hopefully you have a sensor interface for your physics class to use with graphing calculators when collecting data with a light sensor. If so, read on. Use this resource for learners to predict and then test whether or not the intensity...
Curated OER
Starlight
An introductory exploration of the nature of light is provided via activities and demonstrations. Science superstars observe various light sources, learn how to apply inverse square law, and practice using a light meter. Follow-up...
Curated OER
The Effects of Light Intensity and Wavelength on the Rate of Photosynthesis
Students use an on line website to simulate the effects of light intensity and wavelength on photosynthesis. In this photosynthesis lesson plan, students determine how wavelength of light and intensity of light affect the rate at which...
Curated OER
Ohm's Law I
Students work to increase the intensity of a light bulb by testing batteries in series and parallel circuits. They analyze Ohm's Law, power, parallel and series circuits, and ways to measure voltage and current.
Curated OER
E3 Project Instructional Plan: Light
Eleventh graders investigate the nature of light. In this physics lesson, 11th graders determine how light intensity varies with the distance of the light source.
Curated OER
TE Activity: Ohm's Law 2
Students study Ohm's Law 2 after completing an activity about Ohm's Law 1. They determine how long it takes to charge a battery. They examine if it is better to use batteries in series or parallel circuits.
TeachEngineering
Teach Engineering: Ohm's Law I
Students will work to increase the intensity of a light bulb by testing batteries in series and parallel circuits. It analyzes Ohm's Law, power, parallel and series circuits, and ways to measure voltage and current.
Texas Instruments
Texas Instruments: Holt Physics: Brightness of Light
This probeware version of the Skills Practice Lab Brightness of Light from the chapter Light and Reflection uses a light probe to measure the intensity of light at different distances from a light source.
Texas Instruments
Texas Instruments: Watt's the Deal?
In this activity, students can use a light probe to measure the light intensities of light bulbs with different wattage ratings.
E-learning for Kids
E Learning for Kids: North Sea: How Do We Measure the Intensity of Light?
Students learn in this lesson about light intensity and the units used to measure it, the reflection of light, and how the amount of light can be increased using more lightbulbs.
PC Technology Guide
Pc Tech Guide: Scanners
Informative sight detailing the basics of what a scanner is and what it can do.
TeachEngineering
Teach Engineering: Ohm's Law 2
This extension to the Ohm's Law I activity, students will observe just how much time it takes to use up the "juice" in a battery, and if it is better to use batteries in series or parallel.
Texas Instruments
Texas Instruments: Sunrise, Sunset: Weather Match
Students determine the relationship between temperature and light intensity. They use a Temperature Sensor and a Light Intensity Sensor to collect temperature and light intensity data for a period of 24 hours. They understand the effect...
Other
Siemens Science Day: Physical Science: Through the Looking Glass
Students will make their own spectroscope, learn how light is bent by a diffraction grating, and explore how various forms of light differ.
Physics Aviary
Physics Aviary: Solar System Energy Lab
This lab is designed to have students investigate the relationship between the distance you are from a source of light and the intensity of the light your receive.