A light bulb has the glass carefully removed, leaving the glass base and filament intact. The bulb is connected to AC electricity, and the filament quickly and dramatically burns out. This leaves the two wires that originally...

It explains resistance, factors affecting the resistance of a wire and resistivity or specific resistance.

We just learned about gymnosperms, and the incredible evolutionary advantages they had over their ancestors. But the next leap forward for plants was even more impressive. Angiosperms are flowering plants, so any plant with flowers or...

This live-action video program is about muscle function. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful, animated...

This video explains the different parts of a flower and their functions. They differentiate between the male and female parts, discussing the filament and anther as the male parts and the stigma, style, and ovary as the female parts. The...

Plant Structure and Function Set: 3. This clip offers a simplified look at the basic anatomical structure of a flower.

This video explains the concept of resistance in the flow of electric charge. It also discusses how resistance is utilized in devices like light bulbs and toasters, where electricity is converted into heat and light through the use of...

Today I play the "Close-Up Christmas Challenge" with Greg! Using my special microscope camera!