Learn how to factor expression in Algebra.
First, find the greatest common factor.
Check your answer using the distributive property
Example problem 10n + 15
8y-12y


For more Math help visit our website
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Types of Human Body Tissue
In this video, I review four types of tissue.
Connective tissue, epithelial tissue, muscle tissue, and nerve tissue.
Tissues are made up of cells working together.
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

Types of Tissue
https://moomoomath.com/types-of-human-body-tissue/

Balancing Chemical Equations the easy way-- Learn how to balance basic chemical equations.
The easy method for balancing equatons is to draw a line from the arrow,
Next list the elements involved in starting with the metals and then non-metals, then oxygen, then hydrogen.
Now, start balancing the metals first and work down the list of elements.
Another helpful hint, if you just can't seem to balance the equation, stop and double check the number of atoms you counted at the beginning and start over from the metals.

Counting Atoms
https://www.youtube.com/watch?v=fVcJqund5u8

What makes a trapezoid a trapezoid? A trapezoid has two parallel sides and two nonparallel sides.
A trapezoid is a quadrilateral because it has four sides.
I also cover,
How to find the area of a trapezoid
The median
How to identify a trapezoid
The shape of a trapezoid
Number of sides
Is a trapezoid a parallelogram?

An atom is composed of a dense core called the nucleus containing protons and neutrons and a series of outer shells occupied by orbiting electrons
An electron shell may be thought of as an orbit that the electrons follow. The closest shell to the nucleus is called the "1 shell" also called "K shell", followed by the "2 shells" "L shell"), then the "3 shells" (or "M shell"), and so on.

A valence electron is an outer shell electron that is associated with an atom, and the formation of a chemical bond
Each shell can contain only a fixed number of electrons: For the first 18 elements, the valence electrons follow these rules. The first shell can hold up to two electrons, the second shell can hold up to eight electrons, the third shell can hold up to 8 The transition metals vary from these guidelines.
You can use the periodic table for the groups 1,2,13,14,15,16,17,18 in order to find the number of valence electrons in the outer shell with the exception of helium. For example, all elements in group two have 2 electrons in the outer shell.
Elements in the same period have the same number of energy shells. Period 2 will have two energy shells.
So let’s go through the elements
Up first is period 1 Element 1 is Hydrogen in group 1 and contains one energy shell and 1 electron
Element 2 Helium period 1 group 18 and is the one exception because it has 2 valence electrons in the outer shell

Now period 2 which each have 2 energy shells.
Lithium found in group 1 has 2 electrons in k shell and 1 valence electron in L
Beryllium is found in group 2 and has 2 electrons in k shell and 2 valence electrons in L
Boron Is found in group 13 and has 2 electrons in k and 3 valence electrons in L
Carbon Is found in group 14 and has 2 electrons in k and 4 valence electrons in L
Nitrogen Is found in group 15 and has 2 electrons in k and 5 valence electrons in L
Oxygen Is found in group 16 and has 2 electrons in k and 6 valence electrons in L
Fluorine Is found in group 17 and has 2 electrons in k and 7 valence electrons in L
Neon Is found in group 18 and has 2 electrons in k and 8 valence electrons in L
Now let’s move on to period 3 with 3 electron shells
Sodium Is found in group 1 and has 2 electrons in k and 8 electrons in L and 1 valence electron in m
Magnesium Is found in group 2 and has 2 electrons in k and 8 electrons in L and 2 valence electrons in m shell.

Transcript
http://www.moomoomathblog.com/....2020/01/electron-dis

Characteristics of Living Things
What makes something alive.
For an organism to be considered alive it must have all of these triats
Made of Cells
Grow and Develop
Reproduce and produce offspring
Contain DNA
Require energy for daily activities
Respond to stimuli
Have levels of organization

Characteristics of Living Organisms
http://www.moomoomath.com/char....acteristic-of-living



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Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
https://www.youtube.com/watch?v=f3bsg8gaSbw
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For more Life Science videos and summaries see,
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Chordates are often divided into 5 main groups. These groups are, fish,amphibians,reptiles,birds, and mammals. Each group of chordates have their own unique set of traits and characteristics.

More on Mammals
https://moomoomath.com/characteristics-of-mammals/

You may also enjoy Reptiles
https://moomoomath.com/what-ar....e-the-characteristic

Setting up a science fair display

The link below is a great resource for science fair guidelines.
http://www.ccsdscience.com/upl....oads/5/8/1/2/5812079

https://www.phsd144.net/cms/li....b3/IL01001725/Centri
What should you include?

Title
Question and background information
Tell the reader the question you are asking or the problem you will try to solve. This may also include any background information about why you are interested in this topic.

PURPOSE
Your purpose should explain what you hope to achieve.
Your Interest in the topic and why you would like to learn more about the topic and how Information gained from this experiment will benefit others

HYPOTHESIS The hypothesis is your educated guess about the
outcome of your investigation.
There are several ways to write your hypothesis. I feel the most consistent way is to use an if-then statement
For example, if the person runs every day, then their heart rate will drop by 10 beats per minute.

Materials and Methods
This is a list of the materials used in the experiment and the step you followed to complete the experiment

Results
present in results using tables and graphs and explain in words, do not use raw data, also discuss problems or errors that may have happened

Conclusions
During the conclusion, you will either accept or reject your hypothesis and summarize your results.
Be sure to include photos, illustrations, graphs, and charts.

Your log book should be displayed in front of your project.
It should include notes on readings, bibliographic information,
thoughts, ideas, and trials.
Any raw data (all of the measurements you collect
during your experimental trials).
Staple in copies of graphs or charts.
Attach photos and label them.
Be sure to date each entry and enter each science activity you do.

Science Variables
http://www.moomoomathblog.com/....2019/02/learn-scienc

Learn how to set up and solve word problems. Although they may seem tricky at first solving word problems can be fun.
I use these four steps to solve word problems. If you follow these steps you will have an equation set up to solve the problem.
Identify the variable
Identify the operation
Write an equation
Solve and label

Learn the parts of the microscope and how to focus a compound microscope.
Using a compound microscope can be fun and unlocks a whole new world.
In this video I point out a couple of tips and tricks you can use to help you use a microscope properly.

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Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
https://www.youtube.com/watch?v=f3bsg8gaSbw
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For more Life Science videos and summaries see,
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There are 6 simple machines. These simple machines multiply your ability to do work. Work is the amount of energy necessary to move an object. The further you move it, the more work is required.

Simple machines allow you to do the same work with less effort. Simple machines are all around you. These bikes incorporate three simple machines.

There are 6 simple machines
Lever Inclined Plane Pulley Wedge Screw Wheel Axle
If you start looking around you will find these simple machines in your everyday life.
Like a mountain bike uses three simple machines.

10 Facts Simple Machines
http://www.moomoomathblog.com/....2020/01/simple-machi

Perfect squares 1-25 Memorize the perfect squares with a simple song.
Transcript and lyrics here
http://www.moomoomathblog.com/....2020/03/perfect-squa

Learn how to use a factor tree in order to find the lowest common multiple.
I find the LCM of 12 and 15.

Learn how to round decimals properly. The problem is it is hard to remember if you should round up or down.You can use
Four and below let it go
Five and above give it a shove
Round .15 to the tenth place
Round .8534 to the nearest hundreth

For more Math help visit our website
http://www.moomoomath.com/

The exterior angles of a polygon are angles drawn from an adjacent side. The exterior angles also add up to 360 degrees.The interior and exterior angles add to 180 degrees.

Hydrostatic skeleton
Worms and Jellyfish have an internal skeleton created from a fluid called a hydrostatic skeleton.
An internal cavity called a coelom fills with fluid and basically inflated the animal.
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

In this video, you will learn about the Circulatory SystemThe circulatory system, is the transportation system of the body and is responsible for the flow of blood in the body. The major structures that make this possible are the heart, blood vessels, and blood.
The heart pumps blood in order to move nutrients oxygen, carbon dioxide disease-fighting white blood cells, and hormones to and from the cells in the body
The circulatory system has two main types of circulation.

The pulmonary
The Systemic
Pulmonary circulation travels from heart to the lung where your blood picks up oxygen and back to the heart
Systemic circulation is from the heart to the body

Your heart has four chambers that is used to pump blood throughout your body.

Two Atria - which are the upper chambers.
Two ventricles - these are the lower chambers
The left and right side of the heart is divided by the septum

Blood Vessels carry blood throughout the body.
Arteries carry blood away from the heart and veins carry blood towards the heart

Capillaries, which are the smallest blood vessels in the body create a network of vessels connecting veins and arteries.
In summary, the heart pumps blood to the body through the arteries and returns blood to the Body through the veins

You have around 1.5 gallons of blood in your body
It is composed of several different types of cells.
The first type of blood cell is the red blood cell. Red blood cells help carry oxygen

The second type of blood cell is known as the white blood cell and helps fight pathogens

The third type of cell is the platelet and create blood clots.
These blood cells are found in a liquid called plasma which consists of water along with electrolytes and some proteins and hormones

In summary, The job of the circulatory system is to circulate blood to and from cells in the body in order to transport nutrients and oxygen and remove carbon dioxide and waste.

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In this video, you will learn about transport across the cell membrane. I cover active and passive transport, diffusion, osmosis, and endocytosis and exocytosis.
Passive transport involves diffusion and osmosis and does not require energy. Objects move from a high concentration to a low concentration.
Active transport requires energy.
I answer questions like, is facilitated diffusion active or passive transport.

There are several diferent types of estuaries.
An estuary is a body of water that has fresh water entering and is also open to the ocean. An estuary is a semi-enclosed, coastal body of water, that is connected to the open sea, with fresh water draining into it.
If you look at the state of Georgia you can see the Savannah river run through it. The Savannah river dumps into the Atlantic ocean and creates an estuary. Here is what a small portion of this estuary looks like.

Estuaries are known for their brackish water which is a combination of salt and fresh water. Estuaries have been called the "Nurseries of the Sea." because of the many phytoplankton that is found there help the food chain and provide food for many organisms.

Parts of the small intestine
20 Small Intestine Facts
http://www.moomoomathblog.com/....2017/05/20-facts-abo small intestine is actually long.
It can be 18 feet in length.
It has three main parts. The duodenum, the jejunum and the ileum
It has two main jobbs-Digest and absord
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For more Life Science videos and summaries see,
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Find the cube root of 8 and 27 without a calculator.

Let’s take a look at the difference between specular reflection and diffuse reflection.
Specular reflection reflects all light that arrives from a given direction at the same angle, whereas diffuse reflection reflects light in many different directions.
I also review the law of reflection and the difference between the incident ray and reflective ray.

Picture of spheres
https://en.wikipedia.org/wiki/....Specular_reflection#

Transcript
http://www.moomoomathblog.com/....2020/07/specular-and

A concave mirror curves inward in the center. In this video, I use a laser to demonstrate ray of incidence, the ray of reflection,focal point,center of curvature, and the vertex

Learn how the digestive system of an earthworm
http://www.moomoomath.com/eart....hworm-digestive-syst

How an earthworm digest the dirt it eats.
In this video, I review the digestive system of an earthworm. Earthworms may appear simple but are complex animals. Their digestion starts at the mouth and ends at the anus.

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Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
https://www.youtube.com/watch?v=f3bsg8gaSbw
-~-~~-~~~-~~-~-
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

Learn all about some common characteristics of most fish.
Fish live in water
Have gills
Have a backbone.
Fish are ectothermic
Fish have a swim bladder
Fish have scales

Fish Characteristics
http://www.moomoomathblog.com/....2022/04/fish-charact