Learn about dice probability. How do you calculate the probability of rolling an 8 with a pair of dice?
You can calculate the probability of rolling a number by using the number of favorable events divided by the number of total events.

Running tip number 3 provides a simple drill you can practice each day in order to help you move from a heel striker to a runner who lands on your forefoot.
Running experts all agree that an efficient runner lands on their forefoot.

Properties of the igneous rock rhyolite
Light in color there it is classified as felsic

Rhyolite contains over 70% silica which gives this rock it a light color
Because the crystals are so small it is an extrusive igneous rock and cooled quickly
in rhyolite the crystals are often too small to see. This is due to the rapid cooling of the rhyolite lava
Rhyolite is produced by violent volcanic eruptions.
Density 2.4 -2.6 g/cm3
The texture of Rhyolite is fined grain and is classified as aphanitic
In summary
Igneous
Felsic
Extrusive
Fine-grained Aphanitic
Rhyolite picture
https://www.flickr.com/photos/....jsjgeology/845670838

By using the formula pi times radius squared times height you can calculate the volume of a cylinder.
I also cover how to calculate height if you are given the radius and volume and how to calculate the radius.
This guide will help
0:29 Steps for finding the volume of a cylinder
0:47 Formula for finding volume cylinder
1:28 Find the height of a cylinder given the volume
3:07 Find the radius of a cylinder given the volume

Body's response to stress
We are exposed to stress often and it can trigger our fight or flight response.
In addition, our body reacts to stress in several different ways.
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

In this video, I review each of the major biogeochemical cycles. I include carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur cycles

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

Biogeochemical Cycles - How the Earth Recycles
https://moomoomath.com/how-the....-earth-recycles-elem

Why is Venus the hottest planet? Venus is a terrestrial planet and is the second closest planet to the sun. It would seem logical that Mercury the closest planet to the sun would be the hottest of all of the planets. Mercury is very hot with high temperatures of + 840 °F (+ 449°C) but also on the side of Mercury facing away from the sun it gets very cold - 275 °F (- 170°C) This is because Mercury has a very thin atmosphere and cannot trap in the heat. The thin atmosphere is similar to you wearing shorts and a t-shirt at the beach. The heat is not trapped next to your skin.
Venus, on the other hand, has temperatures of + 870 °F (+ 465°C)
This is hot, hot, hot. Remember, water boils at 212 degrees Fahrenheit, 100 Celcius and lead melts at 621 Fahrenheit 327 celsius
Why is Venus so hot. First, it is the second closest planet to the sun.
Venus is 0.723 AU 67.2 million miles 108.2 million km from the sun compared to
Earth which 1 AU 93 million miles 149.6 million km
This alone causes Venus to be hot. However, it is hotter than Mercury. The atmosphere of Venus is made up almost completely of carbon dioxide. It also includes small doses of nitrogen and clouds of sulfuric acid. The atmosphere is so thick on the surface it would feel 90 times heavier than Earth's atmosphere. The surface pressures are similar to diving 3,000 feet beneath the ocean. This thick atmosphere traps in the heat close to the surface in the same way a thick jacket traps heat next to your skin.

Understand the concept of a ratio and use ratio language to describe a ratio.
A ratio shows the relative sizes of two or more values.
A ratio can be expressed three ways:
• Using the fraction bar as in 2/3
• Using a colon symbol as in 2:3
• Using the word “to” as in 2 to 3.
Write each ratio using the other two ways:
1. The ratio of 4 inches to 32 feet.
4 inches: 32 feet or 4 inches/32feet
2. The ratio of 5 students: 1 class
5 students/ 1 class or 5 students to 1 class
3. The ratio of 4 boys/6 girls
4 boys: 6 girls; 4 boys to 6 girls

4. 2 mountain bikes to 8 road bikes

2 mountain bikes: 8 road ride bikes or 2 mountain bikes/ 8 road bikes

The key to understanding the difference between hypertonic, hypotonic, and isotonic solutions is understanding the relationship between the solute and solvent in a solution.
The solute is what is being dissolved and the solvent is what is doing the dissolving
The universal solvent is water.
As the concentration of solute increases the concentration of solvent decreases and as the solute decreases the concentration of solvent increases.
As a result, water will flow from high to low based on the concentration of the solvent.

MooMooMath and Science upload a new math or science video every day. We have over 1400 math and science videos to help in school and life.
https://www.youtube.com/channe....l/UCE_WiQFez8FZcICpb

Isotonic vs Hypertonic
https://www.youtube.com/watch?v=H2dBFiBOOGY

Objects may reflect or absorb light. A red object will absorb all of the colors except red. A blue object will absorb all of the colors except blue. The characteristic of light of absorption causes you to see certain colors and not see others.
White light contains all of the colors of the visible spectrum which include red, orange, yellow, green, blue, indigo, and violet.
Transcript
http://www.moomoomathblog.com/....2020/09/light-proper

Learn how to find the cube root of 64. The number 64 is a perfect cube.

Learn how to find the area of a sector which is similar to a pizza. The formula for finding the area of a sector equals the measure of the angle over 360 times pi radius squared.
m/360*πr2
The most common sector is a semi-circle which divides a circle in half.

Fungus-like Protists
In this video, I discuss the group of protists that act like fungus.
Two examples are slime mold and water mold
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For more Life Science videos and summaries see,
http://www.moomoomath.com/Midd....le-School-Science-an

Learn about the tiny organelles of a cell that work together to keep the cell alive. I cover the following organelles.
Cell membrane
itochondria
Ribosomes
ER
Golgi Apparatus
Lysosomes
Nucleus
Vacuole
Cytoplasm

0:00 Introduction
0:10 Cell Membrane
0:24 Mitochondria
0:39 Ribosomes
0:52 Endoplasmic Reticulum
1:11 Golgi Apparatus
1:36 Nucleus
1:49 Vacuole

Updated Versions Parts of the Cell
https://youtu.be/v9vhfI2DP8s

25 Facts about the Nucleus
http://www.moomoomathblog.com/....2016/11/25-facts-abo

Cenozoic EraIn this video I would like to talk about the Cenozoic era on the geologic time scale.
The Cenozoic era is the most recent era and is part of the Phanerozoic Eon along with the Paleozoic and Mesozoic eras.
The Cenozoic era lasted roughly 65 million years.
The Cenozoic era is most often described as the “ age of mammals” but could also be called the
“Age of flowering plants” or the age of insects.
Let’s hit several highlights of this era
Although the first mammals appear in the Mesozoic era they begin to thrive during the Cenozoic era and spread throughout the world.
Birds become more diverse and becoming more diverse.
In addition flowering plants also begin to thrive and spread to all corners of the Earth
Along with insects.
Apes and Humans also appear
During this era, the Earth is cooler and ice ages occur and the formation of glaciers.
In addition, the continents have moved into their modern location and several mountain ranges including the Alps, Himalayas, and the Rocky mountains

An outlier is a number in a data set that is much smaller or larger than the other numbers in the data set.

Transcript
Welcome to MooMooMath where we upload a new Math video everyday. In this video I would like to talk about what an outliers and how the affect measure of center.
An OUTLIER is when one data value is much greater
or much less than the rest of the data values in the
set.
An OUTLIER may affect a measure of center.
Determine how the outlier affects the median and the mean in the
following quiz scores.
55, 88, 90, 93, 94
Indentify the outlier yes it is 55
Next Find the median
Determine how the outlier affects the median by finding the median WITHOUT the outlier included.
MEDIAN = WITHOUT THE OUTLIER
Is as follows.
Did the median change? By how much? 1.5
Next, Calculate the mean
Determine how the outlier affects the mean by finding the mean
WITHOUT the outlier included.
MEAN = WITHOUT THE OUTLIER
Did the mean change? yes By how much? 7.25
Which measure of center changed MORE with the outlier?
The mean
WHEN THERE IS AN OUTLIER, IT IS BEST TO USE THE
MEDIAN
No outlier use mean when finding the measure of center
of comparing the measure of center
Thanks for watching MooMooMath uploads a new Math video everyday

|what is an outlier in math | what does outlier mean in math|

For more middle school videos see..
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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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Have you ever wondered how you catch a cold? I discuss 5 ways microorganisms spread.
These include direct contact, indirect contact, airborne, oral route, insects and pests.

In this video, I describe the four stages of mitosis, prophase, metaphase, anaphase, and telophase.
During metaphase, the sister chromatids align in the middle of the cell.
However for this to happen a couple of things had to happen during prophase
During prophase, the chromatin condensed into x shaped chromosomes.
Each half of the x is a sister chromatin with identical copies of the DNA
In other words, a sister chromatin is 'one-half' of the duplicated chromosome.
The two sides of the x shaped chromosome is attached at the centromere.
Centromeres are the regions of DNA where the sister chromatids are most tightly connected.
During anaphase, the chromosomes line up in the middle of the cell.
The chromosomes move away from each other during the phase of mitosis called anaphase.
Finally, in telophase, the nuclear membrane reappears and the cell pinches in the middle.

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

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