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 the difference between independent and dependent variables in research.
The independent variable can stand alone and is the variable that is being changed or manipulated.
The dependent variable is the variable that is being measured.
Learning the difference between these two types of variables can be very helpful in Science and any type of experiment.
I also cover how to graph these two types of variables.

Why are some objects considered alive and other objects considered non-living? I cover the 7 characteristics of life which determine if an object is alive or not.
These 7 characteristics include,
Made of Cells
Grow and Develop
Reproduce
Contain DNA
Require Energy
Respond to stimuli
Levels of organization

This video aligns with the Science standard S7L2
In addition, it answers the question " How are living things distinguished from non-living things?

What makes something Alive
https://moomoomath.com/charact....eristics-of-living-t

An overview of the transition metals. Which group of metals are silver, maybe gold and sometimes liquid? The transition metals
The transition metals are the elements found in groups 3-12.
The transition metals are metallic elements that serve as a bridge, or transition, between the two sides of the table.

You may also enjoy ....
Ions and the PERIODIC TABLE
https://youtu.be/4gT3G6LKYAo

Hemophilia is an X-linked recessive disorder. The blood of a hemophiliac lacks the ability to clot, due to the fact that one or more of the plasma proteins required to form a clot is absent or reduced in their blood.
A recessive gene, it is carried on the female chromosome X . Males possess XY chromosomes and females XX. Since females have two X chromosomes, they are more often than not carriers.

If you look at the Punnett Square you can see the following.
Each child of a carrier will have a 50% chance of inheriting hemophilia. The daughter of a male haemophiliac will always inherit the disease, while a son cannot ever inherit it. A female will only be affected with haemophilia in the rare circumstance that she inherits mutated X chromosomes from both a hemophiliac father and a carrier mother. No case of such double inheritance is known among Queen Victoria's descendants.
Correction:
1:47 I made a mistake. The H in the lower right box should be lower case h and not a capital letter. H

Learn to add and subtract integers with counters
Using counters is a great way to teach integers to students and a great way to visualize integers when adding and subtracting.
You can use almost anything to represent integer counters.
Paper circles,coins, plastic circles can all be used as counters.

Moon vocabulary In this video, I define,
Waxing Moon
Waning Moon
Crescent Moon
Gibbous Moon
New Moon

Learn how to figure out the original price from the percent and the discount price.
Sample original price questions
John saw that the $15.00 t-shirt he liked was discounted 25% from the original price.
What was the original price of the t-shirt?

Drew bought a used Honda Accord that cost $300. This amount was 70% of the original price. What was the original price of the car?

Refurbished computers sell at 40% discount of the original price. Amazon sells a fast,sleek, refurbished computer for $800. What was the original price of this computer?

Math Standard: MGSE6.RP.3c Find a percent of a quantity as a rate per 100 (e.g. 30% of a quantity means 30/100 times the quantity); given a percent, solve problems involving finding the whole given a part and the part given the whole.
English
This video has been dubbed using an artificial voice via https://aloud.area120.google.com to increase accessibility. You can change the audio track language in the Settings menu.

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

PQRST Strategy Preview Question Read Summarize Test

Use this reading strategy to help increase your reading effectiveness.
The reading strategy is a modified version of PQRST in which you use your hand to help you remember each part of the strategy.
The five parts of the strategy are as follows.
Preview
Question
Read
Summarize
Test

MooMooMath provides daily Math and Study Skills video in order to help you succeed in school.

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Please watch: "Study Skills Teacher's Secret Guide to your Best Grades"
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The gas giants which are also called the Jovian planets include the planets, Jupiter, Saturn, Uranus, and Neptune.
These planets are not only huge but have no real surface, are composed of hydrogen and helium, and revolve around the Sun slowly.
These planets also have rings and many moons that revolve around them.

Photo Size of Planets
http://www.lesud.com/lesud-astronomy_pageid81.html

Phaneritic: Are igneous rocks with crystals larger than 1 mm. You could describe the texture as coarse Here are some examples
Aphanitic: The name tells you about this texture a = not
Phaner = visible
These rocks have very fine small crystals

Porphyritic: igneous rocks, for a rock that has a distinct difference in the size of the crystals, with at least one group of crystals obviously larger than another group. Wikipedia

Glassy: Are like the name suggests no crystals and the texture of glass.

Vesicular: are igneous rocks with bubbles they can be mafic or felsic

Pyroclastic: is a mixture of rock fragments, pumice, and volcanic ash. The ash is very fine-grained, so only the rock fragments and pumice are identifiable. A rock with a pyroclastic texture is termed a tuff with small fragments, a volcanic breccia if the fragments are larger.

Rock pictures
https://www.flickr.com/photos/....jsjgeology/161280286

Additional Information Igneous Rocks
http://www.moomoomathblog.com/....2020/03/igneous-rock

Alkaline Earth Metals-- Alkaline earth metals are found in group 2 of the periodic table
They include beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra)
The alkaline earth metals share several common properties, they have
Low density
Silver and soft metals
Ductile and malleable
React with halogens and water
Alkaline earth metals are reactive, not as reactive to alkali metals, but still very reactive. This is because they all contain two electrons in their outer shell. Because they are reactive they are usually found in nature in compound form.

Strontium compounds are often added to fireworks displays for their red flame test color.
Calcium is used by our body for our teeth and bones.
Magnesium is used in antacid and barium is used in light bulbs.
So there are the group 2 alkaline earth metals. They each have two valence electrons.
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What happens when you mix sodium and water?
Hint: It involves fire.
https://www.youtube.com/watch?v=YRPuDQtB_5Y&t=41s

Biological Niche and Habitat

Learn about an organisms ecological niche and what a habitat is.
The biological niche of an organism is the role or job an organism fulfills.
The habitat is where the organism lives.

You may also enjoy: Freshwater Ecosystems
https://www.youtube.com/watch?v=BwP1zxnKb14

Niche and Habitat
https://moomoomath.com/biologi....cal-niche-and-habita ‎

There are over 4000 species of mammals. We are mammals. In this video, I cover some common traits of mammals.
Almost all mammals have at least 10 characteristics in common. I cover 9 of these traits of mammals.
They all have a spinal cord.
Most have ears
Mammals have mammary glands.
Mammals have sweat glands
They have a unique jaw shape
These animals have teeth
Four chamber heart
Examples of mammals include lions, elephants, fox, hippos, humans, chimps, and many more.

More information
http://www.moomoomathblog.com/search?q=mammals

There are four main classifications of galaxies

Elliptical galaxies which are featureless and spiracle.

Galaxy Picture Credits

Spiral galaxy
The Hubble Heritage Team (AURA/STScI/NASA) NASA Headquarters - Greatest Images of NASA (NASA-HQ-GRIN) -http://nix.larc.nasa.gov/info;jsessionid=1sl2so6lc9mab?id=GPN-2000-000933&orgid=12http://imgsrc.hubblesite.org/hu/db/images/hs-1999-25-a-full_tif.tif

Elliptical galaxy

NASA/ESA Hubble Space telescope - http://www.spacetelescope.org/images/potw1519a/

Barred galaxy
NASA, ESA, and The Hubble Heritage Team STScI/AURA) - http://hubblesite.org/newscent....er/archive/releases/ http://www.spacetelescope.org/images/opo0501a/ ([cdn.spacetelescope.org/archives/images/screen/opo0501a.jpg direct link])

Lenticular

NASA, ESA, and The Hubble Heritage Team (STScI/AURA) - http://www.spacetelescope.org/images/opo0624a/ (direct link) http://hubblesite.org/newscent....er/archive/releases/ (direct link)
Spiral these have arms that spiral outward


Lenticular galaxies are given the symbol S0. These galaxies consist of a bright central bulge, similar in appearance to an elliptical galaxy, surrounded by an extended, disk-like structure.

Irregular galaxies are any other galaxy

Learn all about the stomach. The stomach is a major site of digestion and is a muscular pouch.
In the video, I cover the basic anatomy of the stomach and several facts about the stomach.
The stomach has four main regions, the cardia, the fundus, the body, and the pylorus.

Picture of stomach
By DBCLS 統合TV, CC BY 4.0, https://commons.wikimedia.org/....w/index.php?curid=55

The first stage of mitosis called prophase

State of Georgia 7th Grade Math Year in Review
Topics covered this video
Adding sign numbers
Subtracting sign numbers
Dividing Decimals
Multiplying fractions
Divide mixed numbers
Convert fractions to a decimal
Convert percent to a decimal
Convert decimal to a percent

Example Problems
-3 + 9
-24 + -17
72 - -5
-93.1 ÷ 24.5
3/4 * 1 2/3
convert 2/5 to a fraction
convert 5/8 to a decimal
convert 20% to a fraction

7th Grade Math Playlist ( Entire Year)
https://www.youtube.com/playli....st?list=PLurjkZV1ykG

Learn more about Arthropods
http://www.moomoomath.com/arth....ropods-characteristi

What are the main characteristics all arthropods have? Arthropods are everywhere. They range from bees to spiders. All arthropods have several traits in common. They all have an exoskeleton, bilateral symmetry, jointed bodies, and segmented
appendages.
Keywords: Arthropods for beginners, Arthropod Definition

0:00 Introduction
0:19 Exoskeleton
0:47 Segmented Bodies
1:08 Jointed Appendages
1:51 Open Circulatory System

Arthropods
https://moomoomath.com/charact....eristics-of-arthropo

In this video, I answer the question, " What makes an insect an insect?
An insect belongs to the phylum Arthropoda and the class Insecta
Insects have an exoskeleton,wings,6 legs, and a segmented body.