Free Math Tutorials- How to find Least Common Multiple (LCM)
Description: Free Math Tutorials- How to find the Least Common Multiple (LCM).
Free Math Tutorials- How to find prime factors in composite numbers
Description: Free Math Tutorials- How to find prime factors in composite numbers
Free Math Tutorials- Order of Operations
Description: Free Math Tutorials- Order of Operations.
Electronic Salvage SMD resistor from CFL to LED Flashlight powered by rechargeable lithium battery
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.
Quantitative Chemistry Experiment How much CO2 is produced Part 2
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...
Quantitative Chemistry- Sodium bicarbonate and Acetic Acid – How much carbon dioxide is produced Part1
Description: Today we will determine how much carbon dioxide is produced based on mixing 1.0 g of sodium bicarbonate and 20. mL of 5% acetic acid. This science and math word problem requires you to know chemistry and math.
How to determine the resistor for LED light with Rechargeable Lithium Battery
Description: Today we are going to use math and science to build a rechargeable LED light. For the science part, you will need: Rechargeable Lithium Battery, 150 ohm resistor, and white LED light (from Christmas LED lightbulb). For the math part, you...
How long does light take to travel around the earth- Math and Science Word Problem Episode 1
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.
GED Math – Lesson 18 – Volume and Cylinder Word problems
Free GED Math Lesson 18 - Word problem using basic formula. What to expect and reviewing the math formulas. Volume and cylinder Word Problems and Formulas.
GED Math – Lesson 17 – Area and Circle Word problems
Free GED Math Lesson 17 - Word problem using basic formula. What to expect and reviewing the math formulas. Area and circle Word Problems and Formulas.