Comparing a Cell to a Factory

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...

How can something as large as a city and as small as a cell have anything in common? That is exactly the question young scientists explore with this engaging life science project. Choosing to focus on a city, school, factory, or other...

There's raspberry juice in solar cells!? Scholars create and test a titanium dioxide raspberry solar cell in the seventh of 14 lessons in the Cost Effective Solar Cells unit. They coat glass slides with titanium dioxide to make their...

Students explore the cell and cell processes. They create "cytoplasm", make a model of the cell and its organelles, and simulate the osmosis and the diffusion of materials into and out of the cell.

View attractive, three-dimensional models of an animal cell, a bacterium, or a plant cell. Suspended in a translucent, undulating cytoplasm, are all of the major organelles for life science learners to examine. They can zoom in, click on...

Are you eukaryotic? (Answer: Yes.) The first of six installments in the Cells units teaches pupils about the similarities and differences of prokaryotes and eukaryotes. It also covers the functions of various cell components in both...

Did you realize cells become restricted in the types of cells they produce as embryos develop? Stem cells might become anything, but late state cells can only become the specialized cell based on their locations. A captivating video does...

Just as skin covers your body limiting what can go in and out, plasma membranes cover cells to do the same. Scholars begin with a presentation that gives overview of the structure and function of plasma membranes. Then, they learn how...

What's the difference between body cells and sex cells? Learners explore the question and the process of meiosis using an interactive lesson. An animation describes the discovery of meiosis and describes its phases for a detailed and...

Seventh graders analyze and identify the role of the cell membrane and nucleus. They create flash cards to help them review cell structures. They also compare plant and animal cells.