66 Science Tutorials

These Science tutorials are written by experienced educators, all of whom also offer private tutoring lessons. Get the Science help you need, whether through these tutorials or through private tutoring lessons.

Balancing Equations

This problem will illustrate how to derive a chemical equation from a word problem and how to balance it.

Cell Biology – Practice Questions

These questions are meant for beginner students in undergraduate level cell biology. These are review questions based on material in the first four chapters in “Essential Cell Biology” – See link below.

A helpful approach to solving engineering and science problems

This document presents a step-by-step approach that you should find helpful in solving problems typically assigned in engineering and science courses. The approach is illustrated with a few examples.

Biodegradable Veggie Pots: The Art & Sustainability of Making Seed Starting Pots

Vegetable gardening is not just about growing and eating vegetables. Students will learn how their creation of biodegradable pots provides a positive impact in a vegetable garden environment. 1. Learn about biodegradability and the degradation processes. 2. Understand the positive environmental impacts biodegradable objects. 3. Be empowered to grow and secure their own garden vegetables…

Stars and light pollution

There are more than a million stars in the night sky. Most people even with telescopes can see them outside anymore unless you have a certain type of telescope. I think if we were to not use as much power at night as we do we might be able to see the stars better. There…

Cellular Respiration (Some Background Knowledge Required)

Cellular Respiration is the process by which O2 (oxygen) and C6H12O6 (glucose) is converted into CO2 (carbon dioxide), H2O (water), and ATP–the energy currency of the cell. This process is divided into three stages: 1). Glycolysis 2). Citric Acid Cycle 3). Electron Transport Chain. During Glycolysis, which occurs in the cytoplasm, glucose is split into…

Bipedial development

Bipedal animals are distinctly classified due to the anatomy of the pelvis and foot. This feature is found within the primate order and includes Homo sapiens and other extinct relatives including Homoerectus. The pelvis of a bipedal is shorter in stature and more cup or bowl-shaped compared to other primates. These unique characteristics allow for…

Omnivores, Herbivores and Carnivores

Teeth can tell us a lot about the characteristics of an organism. Certain animals have teeth that are meant to pierce and rip apart flesh. Other animals have a large number of teeth that grind plant matter. Some animals will fall in between these two possibilities which allows them to perform both functions. Omnivores are…

Understanding Polarity

Polarity is one of the most difficult chemistry concepts to master, but with this short tutorial you’ll soon be an expert!

Percent Yield Calculation

When given the mass of one reactant and the mass of the final product, we can use stoichiometry to find the percent yield of the product.