Justine Borzumato
Biology Teacher
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Co-authored Articles (15)
How to
Draw a Food Web
Creating a food web is a really great way to learn more about how organisms and animals live in their natural habitats. While a food chain shows how ecosystems function in a linear way, a food web is a more visual approa...
How to
Make a Model of DNA Using Common Materials
Making a model of DNA is a great way to learn about how this magnificent structure builds our genes and determines our genetic makeup. DNA is made up of sugars and phosphates that control the color of our eyes, our heigh...
How to
Build a Model Lung
Building a model lung is a fun way to participate in a science fair, complete an assignment for class, or simply learn more about how the human body works. Creating a model lung is simple, and uses materials that you pro...
How to
Make a Small 3D Atom Model
3D atom models are a common science project and craft made to help understand how certain atoms work. A 3D atom model can be useful to demonstrate in a classroom or use to explain when giving a lesson about atoms. Atom m...
How to
Make a Model Cell
A cell model is a 3-dimensional structure showing the parts of a plant or an animal cell. You can make a model cell with things from around your house, or you can buy a few simple items to create a fun, educational proje...
How to
Use a Light Microscope
Light microscopes are used by scientists and science lovers alike to magnify small specimens like bacteria. They are less powerful than alternatives like electron microscopes but also much cheaper and more practical for ...
How to
Use a Microscope
A microscope is a device that magnifies an image, allowing you to see small structures in detail. Although they come in a variety of sizes, microscopes for home and school use generally have similar parts: a base, an eye...
How to
Draw an Animal Cell
Cells are one of the most basic building blocks of life. Whether single-celled or multi-celled, all organisms have them. Animal cells differ from plant cells in several regards though, including the lack of vacuoles, chl...
How to
Use a Centrifuge
A centrifuge is a type of research equipment that spins a liquid suspension at high rotation rates to separate it into distinct layers based on density. Because of these high rotation rates, centrifuges are delicate, can...
How to
Prepare Microscope Slides
Microscope slides are used to examine single-celled organisms and to look up-close at small plants and organisms. There are two types of prepared slides: dry mounts and wet mounts. Each type of preparation method is used...
How to
Determine Genotype
DNA encodes all of the traits possessed by any one organism. Certain combinations of DNA nucleotides will create different genotypes, or pairs of traits. The traits represented in a genotype can be dominant or recessive,...
How to
Classify Animals
From the humblest jellyfish to the most advanced primates, the animal kingdom houses an extremely diverse selection of organisms. It is estimated that between 9 and 10 million unique species of animals exist on Earth. To...
How to
Focus a Microscope
An easy, step-by-step guide to focusing a microscopeA microscope can help you observe things that you can't see with the naked eye, such as bacteria. However, if you do not know how to focus your microscope correctly, yo...
How to
Simulate Stomach Acid
If you're doing an experiment in your home, it's best to stick with common kitchen ingredients to simulate stomach acid. You probably already have items at home you can use. Additionally, you can simulate the stomach usi...
The 3 Pillars of Cell Theory and Their History
Our guide to the principles of cell theory and how it was discoveredOur simple cell theory primer will get you up to speed with easy explanations on the 3 main points of classic cell theory, the 3 main points of modern c...
