Science ABC
Why Does Your Phone Lose Battery, Even When Not In Use?
Even when your phone is idle, the battery keeps draining for a few key reasons. First, background apps and services are still running, using CPU power and data. Also, the screen stays on for notifications and uses power. In addition,...
Science ABC
Does Cellular Data Drain The Battery Faster Than Wi-Fi?
Studies have shown that the mobile data consumes more energy than Wi-Fi. This is because a cellular connection must always be maintained for calls and texts. Also, cellular towers are generally very far away, as compared to Wi-Fi...
Science Buddies
How to Replace a Multimeter Fuse
How can you tell if your multimeter's fuse is blown? How do you replace it? This video will cover these common questions with a detailed walk-through of diagnosing and replacing a blown multimeter fuse.
Science Buddies
Make a Battery with Coins | Science Experiment
Make a battery with pennies, nickels, salt, and vinegar in this fun science experiment! This type of battery is also called a voltaic pile. You can use a multimeter to measure the voltage and current produced by your battery, and even...
Science Buddies
Build a Simple Steerable Robot
This video shows how to build your own simple steerable robot with a wired remote control. This makes the circuit very easy to build for beginners. You can use a solderless breadboard for easy construction, or solder your circuit to make...
Science Buddies
How to Make an LED Temporary Tattoo – Cool Wearables
Make your own light-up LED temporary tattoo in this fun DIY activity! This is your chance to design and create your own wearable device. Written instructions and a materials list for this paper circuit project are available on the...
Science Buddies
Measure Electrolytes in Sports Drinks - Science Project
What has more electrolytes, Gatorade or orange juice? Find out in this science project as you build a circuit to measure the electrolyte content of different drinks. Science Project Kit:...
Science Buddies
DIY Jumping Robot: Fun Engineering Project
Build your own jumping robot with a motor and some simple parts in this fun engineering project! A complete materials list with written instructions is available on the Science Buddies website: https://sbgo.org/jumping-robot-1
Science Buddies
🦄 DIY Light Up Unicorn Headband 🦄
Make your own light-up LED unicorn headband in this fun DIY activity! Written instructions and a materials list for this paper circuit project are available on the Science Buddies website:...
Science Buddies
Salt Water Battery Science Project
Learn how to make a working battery with salt water and how you can use it for a science experiment! A kit with the parts for this project is available here: https://www.homesciencetools.com/product/potato-battery-science-kit/?aff=SB1....
Science Buddies
Control a Pump with Arduino
Learn how to control a DC pump with Arduino. See the Science Buddies website for cool science projects you can do with an Arduino: https://www.sciencebuddies.org/search?prop=arduino
Flipping Physics
#37 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about Electric Power and Resistors in Parallel and Series.
Flipping Physics
#66 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about what happens to the brightness of two light bulbs when you place a wire across the circuit which essential shorts out one of the two light bulbs.
Flipping Physics
#65 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about determining the electric potential across a single capacitor in a multi-capacitor circuit.
Flipping Physics
#36 Electricity and Magnetism Multiple Choice Solutions - AP Physics C 1998 Released Exam
This problem is about finding the electric potential differences across a resistor and capacitor around a loop using Kirchhoff's Rules.
Flipping Physics
2017 #1 Free Response Question - AP Physics 1 - Exam Solution
My solutions to Free Response Question #1 from the 2017 AP Physics 1 Exam. This is an electric circuits question about ranking electric potential differences and electric power. Also included are my reflections on how to get perform...
Flipping Physics
Electricity and Magnetism #2 Free Response Question Solutions - AP Physics C 1998 Released Exam
This Free Response Question includes the following concepts: Circuit Diagram, Voltmeter, Resistance, Capacitance, Inductance, Potential Difference, Charge, and Electric Potential Energy
Flipping Physics
Resistors in Series and Parallel Equation Derivations
Kirchhoff’s two rules of electrical circuits are used to derive the equations for equivalent resistance of series and parallel resistor circuits.
Flipping Physics
Resistor Circuit Example
A combination series and parallel resistor circuit which includes a short circuit. Includes an animation of the electric potential energy of the charges as they move through the circuit.
Flipping Physics
2016 #4 Free Response Question - AP Physics 1 - Exam Solution
My solutions to Free Response Question #4 from the 2016 AP Physics 1 Exam. This is a electric circuits question about ranking electric potential differences and currents. Also included are my reflections on how to get perform better on...
Visual Learning Systems
Exploring the Sources of Electricity
In this video, we explore the various sources of electricity that power our homes and devices. From power plants using coal, oil, or water to generate electricity, to batteries relying on chemical reactions, and even solar cells...