How Does Cell Size And Shape Affect Transport of Materials

Is your class ready to size up the topic of diffusion? Help them get cell shape savvy with a well-written handout. The resource covers how substances such as oxygen passively move through the cell membrane and how cell size and shape...

Use salmon eggs as a cell model for demonstrating the movement of water over concentration gradients. Junior scientists examine the same process microscopically with an onion cell. They use a thistle tube and a semipermeable membrane to...

What do a bird, an egg, a rabbit, and a toad all have in common? This fun-filled resource explains the similarities and differences between cells and how all cells are similar, yet all are different. Learners begin by depicting a...

Aaah, winter ... chapped lips, rough hands, and flaky, itchy skin! When you apply your favorite moisturizing lotion, what does it actually do? Science scholars examine the types and functions of moisturizers through a video from the...

Just what exactly is sickle cell disease? A short, animated video explains how the cell adaption works, how inheriting the sickle cell trait can be an advantage in malaria-prone areas, and how sickle cell disease can be deadly.

Does cell size have something to do with magic? No, but their size has everything to do with geometry. The video explores an analysis of two cylinder's volumes, showing how surface area affects volume. Learners see how in biology,...

Feeling hungry after skipping breakfast? Here's why! Introduce young scientists to that feeling of fullness with an engaging video. Use the included assessment and extension materials to further study which foods make us feel the...

Different cells have different shapes for their individual purposes. Look at the variety of cells and the structures inside as you examine these diagrams and microscopic images. Each part of a cell is explained according to its function.

Cancer's ability to quickly spread from one organ to the next makes it one of the most fatal diseases in recent history. Watch as this short video takes you on a trip into the microscopic world of cancer cells, exploring the different...

The human immune system doesn't always prevent us from getting sick, so what is it doing? Young scientists watch a short video explaining what the immune system is and how it works. Then, they answer eight questions to prepare for an...