This activity introduces students to the power of a parabolic mirror in focusing the Sun’s rays to a single, hot, point … the focus of the parabola.

# Category: Math and Science

## The James Webb telescope

## Before the holidays activities (19 ideas)

## What can you tell about a snowflake?

## Wind chill

Students use the National Weather System chart to gauge wind chill, examine the patterns that correlate increasing wind and/or decreasing temperatures, use wind chill numbers to estimate possible wind and temperature factors, and generally become familiar with this sort of interpolation and calculation. There’s a great high school extention that uses fractional exponents and logs to solve.

## Hanukkah is almost here!

## End of Daylight Savings time confusion

## Fall Equinox 2021

## Death Valley, CA – How hot was it?

## Monarch’s are flying south again

## Steepness and fall hiking

## Hurricanes, Typhoons, and Cyclones

## Just ONE hot dog

A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan. How many would you have to eat to lose a whole year of your lifetime? How much did Joey Chestnut loose in the 10 minutes of Nathan’s annual contest?