xinkdrug

Measuring Your Shadow

Have you ever shined a flashlight against a surface in the dark. If you point the flashlight straight toward a wall, for instance, you'd see a small circle of light. But if you slant the flashlight upward, the circle gets larger.In the same way, sunlight is more concentrated in one area when it hits the earth directly, and when the sunlight hits the earth at a slant, the sunlight spreads out, making it less intense.In the following activity, ultraviolet will be referred to as sunlight.Purpose of.