How long does light take to travel around the earth- Math and Science Word Problem Episode 1

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Description: Today's practical Math question: How long does light take to travel around the earth? You will need to know the circumference of the earth and the speed of light to solve this question.

Free GED Math – Lesson 1 – Whole Number Review – Free Math Tutoring

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Free GED Math Tutoring Whole Number Review

Quantitative Chemistry Experiment How much CO2 is produced Part 2

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Description: In this Part 2 video, I will perform the experiment to see if I can get 290mL of carbon dioxide gas. After three attempts, the maximum percentage yield that I have obtained was less 47%. I will repeat this experiment again in...

Free math tutorial tutoring lesson- learning ratio concept with word problems

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Free online math tutoring on ratio and equivalent ratio with word problems. Grade 8 or 9 level. GED preparation.

Free GED Math – Lesson 12 – Division Word Problem Math Tutor

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Free GED Math Tutoring Division Word Problem Free Math Tutoring

Electronic Salvage SMD resistor from CFL to LED Flashlight powered by rechargeable lithium battery

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Description: I salvaged SMD resistors from broken CFL nightlight to make LED flashlight. Since it has 150 ohm SMD resistor, I can solder together a small portable flashlight powered by rechargeable 250 mAh lithium battery.

Free math tutorial tutoring lesson- Basic math concept- multiplication

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Math basic multiplication, free math tutoring, free math tutorial, multiplying one digit, multiply two digits, multiply three digits, free math lesson, free math lessons, how to do multiplication, how to multiply, home schooling, homeschooling, homeschool, math grade 2 to 3 level.

Free GED Math – Lesson 3 – Whole Number Review- Free Math Tutoring

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Free GED Math Tutoring Least to Greatest

Free Math Tutorials- How to find prime factors in composite numbers

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Description: Free Math Tutorials- How to find prime factors in composite numbers

Free Math Tutorials- How to find Least Common Multiple (LCM)

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Description: Free Math Tutorials- How to find the Least Common Multiple (LCM).