Unit Plan
CK-12 Foundation

Ck 12: Physical Science: International System of Units

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] International System of Units (SI) and converting units.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Metallic Bonding

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Metallic bonds and how they influence the properties of metals.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Transverse Wave

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] What a transverse wave is, its crests and troughs and what an S wave is.
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Circulation and the Lymphatic System

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] The lymphatic system is a network of vessels and tissues that carry a clear fluid called lymph. The lymphatic system works with the cardiovascular system to return...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Excretion

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] You might have noticed that sometimes your urine is darker than usual. This can happens when your body is low on water and trying to reduce the amount of water lost...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Human Digestive System

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] Nutrients in the foods you eat are needed by the cells of your body. How do the nutrients in foods get to your body cells? What organs and processes break down the...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Learned Behavior of Animals

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] Just about all human behaviors are learned. Learned behavior is behavior that occurs only after experience or practice. Learned behavior has an advantage over innate...
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CK-12 Foundation

Ck 12: Life Science: Mammal Characteristics

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] What is a mammal? They walk, run, swim, and fly. They live in the ocean, fly in the sky, walk on the prairies, and run in the savanna. There is a tremendous amount...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Polygenic Traits

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] Another exception to Mendel's rules is polygenic inheritance, which occurs when a trait is controlled by more than one gene. This means that each dominant allele...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Types of Archaea

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] The first archaea described could survive in extremely harsh environments in which no other organisms could survive. As a result, archaea are often distinguished by...
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Artificial Light

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] What artificial light is and five different types, and how each type produces visible light.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Calculating Work

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] How to calculate work from force and distance and vice versa, and the SI unit for work.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Carbon Bonding

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] The abundance of carbon and how it forms bonds.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Carbon Monomers and Polymers

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Difference between a monomer and polymer and examples of natural and synthetic carbon polymers.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Oceanic Pressure

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Oceanic pressure and how it changes with depth, and how to adjust to this change.
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Scope of Physics

For Students 7th - 9th
[Free Registration/Login may be required to access all resource tools.] Scope of physics and how physics helps us understand the universe.
Unit Plan
CK-12 Foundation

Ck 12: Earth Science: Circulation in the Atmosphere

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes the convection cells present in our atmosphere.
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Chromosomal Disorders

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] Some children are born with genetic defects that are not carried by a single gene. Instead, an error in a larger part of the chromosome or even in an entire...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Evolution Acts on the Phenotype

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] Natural selection acts on the phenotype (traits or characteristics) of an individual. On the other hand, natural selection does not act on the underlying genotype...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Types of Mollusks

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] There are approximately 160,000 living species and probably 70,000 extinct species of mollusks. They are typically divided into ten classes, of which two are...
Unit Plan
CK-12 Foundation

Ck 12: Life Science: Vision Correction

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] You probably know people who need eyeglasses or contact lenses to see clearly. Maybe you need them yourself. Lenses are used to correct vision problems. Two of the...
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Earth as a Magnet

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Explains how Earth is a magnet, its geographic and magnetic poles, and its magnetic field.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Fractions as Percents Grade 8

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Write percents as fractions and fractions as percents
Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Energy Conversion

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Decribes how energy changes from one form to another and energy changes between kinetic and potential energy.

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