Science and the World We Live In

 

Eighth Grade Curriculum

Textbook:  Holt Science & Technology (Holt, Rinehart and  Winston)

BluePrint for Learning

Middle School Labs

Essential Jefferson County Labs

Secondary Science Resources

A Blueprint for Learning  Science

Eighth Grade

LIFE SCIENCE STANDARDS

 Interactions Between Living Things and Their Environment

The student will investigate how living things interact with one another and with nonliving elements of their environment.


 

Key

Reporting

Category

 

D

 

Characterize the major biomes according to specific environmental features and identify the organisms commonly found in these areas.

Biomes of the world , Virtual biomes , Virtual rainforest , Animal habitats

A

IL

Distinguish among commensalisms, parasitism, and mutualism.

Symbiosis , More details on symbiosis , Even more symbiosis , Biotic and Symbiosis worksheets , Mutualism , Commensalism , Types of Ecological Interactions

Symbiotic Relationships PowerPoint

A

IL

Identify the earth’s major biomes.

Biomes of the world , Virtual biomes , Biomes in a box, Biome Summary, 3D Earth’s Biomes,

Biomes of the World

PowerPoint Biomes

A

IL

Choose the appropriate biome for an organism, given a description.

Animal habitats,

Biomes in a Box

The World’s Biomes

A

IL

Identify biotic and abiotic factors in a biome.

Biotic and Symbiosis worksheets

Abiotic vs. Biotic

Biotic and Abiotic factors

 

Heredity and Reproduction

The student will understand the basic principles of inheritance.

A

HR

Differentiate between complete and incomplete metamorphosis.

Insect metamorphosis 

Metamorphosis

Classify This!

Complete Metamorphosis

Incomplete Metamorphosis

A

HR

Distinguish between sexual and asexual methods of reproduction.

Mitosis vs meiosis

Asexual Reproduction

Sexual Reproduction

 

 

Use the results of a test cross to distinguish between dominant and recessive traits.

Dominant vs recessive

A

HR

Differentiate between dominant and recessive traits.

Dominant vs recessive

Dominant/Recessive Traits

Worksheet

PowerPoint

A

HR

Predict the genotypes of offspring in a monohybrid cross using a punnett square.

Dominant vs recessive

Genotypes: Punnett squares- various activities

I

 

Draw or construct a model representing the relationship among DNA, genes, and chromosomes.

DNA activity genetics wordsearch

A

HR

Select models or illustrations that are representations of DNA.

DNA activity

Journey to DNA

A

HR

Associate a change in a DNA molecule with a mutation.

DNA alias DNA activity , Mutation maker

A

HR

Identify types of genetic engineering (i.e., gene splicing and cloning) and evaluate the impact of genetic engineering on society.

 

I

 

Construct a simple model that represents the basic process by which reproductive cells are produced (meiosis).

Mitosis vs meiosis

I

 

Research and present information on careers related to biotechnology.

 

Diversity and Adaptation Among Living Things

The student will understand that living things have characteristics that enable them to survive in their environment.

 

A

DA

Identify similarities and differences among organisms.

Basics  unity of life

A

DA

Classify plants and animals into groups according to their features.

A

DA

Infer the relatedness of different organisms.

Basics  unity of life

A

DA

Use a simple classification key to identify an unknown organism.

A

DA

Determine the genus and species of an organism using a dichotomous key.

key  more keys  alien key  even more keys

 

EARTH SCIENCE STANDARDS

Earth Features

The student will understand that the earth has many geological features that are constantly changing.

D

 

Differentiate among earth layers according to their physical properties.

A

EF

Label a cross section of the earth.

D

 

Illustrate the major plate boundaries.

A

EF

Identify the major plates of the world.

A

EF

Deduce plate movements as the major cause of geological events.

Plate Movement Activity

D

 

Compare and contrast processes that shaped the earth in the past with those shaping the earth today (e.g., plate movements, human activity, and mountain building).

A

EF

Recognize the relationship between continental drift and plate tectonics.

 

Earth Resources

The student will investigate the properties, uses, and conservation of earth’s resources.

A

ER

Distinguish between renewable and nonrenewable resources.

Resources  worksheet  quiz

D

 

Distinguish among common minerals found in rock samples using test kits, descriptive charts, etc.

 mineral info

how to identify

A

ER

Identify rocks and minerals given a table of physical properties.

Mighty minerals , list of common minerals , rocks and minerals word search, mineral info ,

 how to identify

D

 

Describe how various minerals are used.

 

 

Label a diagram depicting the processes of the rock cycle.

A

ER

Identify factors that cause rocks to break down.

A

ER

Distinguish among sedimentary, igneous, and metamorphic rocks and interpret a simple rock cycle diagram.

Interactive rock cycle , Rock cycle worksheet , Rock cycle dice Crayon rock cycle

Rock Cycle Jeopardy Game

M

 

Explain how fossils are used to understand the earth’s past.

A

ER

Infer that human activities may be helpful or harmful to the environment.

D

 

Research how technological advances have impacted the environment (e.g., the use of fertilizers, and fossil fuels).

A

ER

Identify various energy sources.

D

 

Analyze aspects of energy consumption by society.

D

 

Evaluate the effectiveness of various conservation strategies on the earth’s energy and natural resources.

 

PHYSICAL SCIENCE STANDARDS

Forces and Motion

The student will investigate the effects of force on the movement of objects.

D

 

Determine the speed of an object based on the distance and amount of time traveled.

D

 

Differentiate between speed and velocity.

A

FM

Recognize that forces cause changes in speed and/or direction of motion.

Force and motion ppt  ppt page

A

FM

Solve problems pertaining to distance, speed, velocity, and time given illustrations, diagrams, graphs, or scenarios.

force ppt

D

 

Describe how Newton’s three laws of motion explain the movement of objects.

3 laws  more newton #1  interactive concept map

A

FM

Recognize the relationship between mass, force, and acceleration.

force ppt

A

FM

Identify Newton’s three laws of motion and relate the first two laws to the concepts of inertia and momentum.

force ppt

D

 

Distinguish between mass and weight.

D

 

Describe the relationship among distance, size, mass, and gravitational force of objects.

A

FM

Identify the relationship between the mass of objects, the distance between them, and the amount of gravitational attraction.

D

 

Differentiate among the six types of simple machines and their applications.

A

FM

Identify simple machines.

Simple machines word search

Simple Machine Games

Gears Labs , more machines

A

FM

Choose the most appropriate simple machine to use for a specific task.

 

Interactions of Matter

 The student will investigate the interactions of matter.

 

D

 

Determine whether a substance is an acid or base using an indicator.

Ph factor , Alien juice bar

A

IM

Identify substance as an acid or a base, given its pH.

Ph factor , Alien juice bar

A

IM

Distinguish between physical and chemical changes.

 

 

Recognize that oxygen, in combination with another substance, results in a chemical change.

D

 

Identify the reactants and/or products in a chemical change.

Balancing equations

 

 

Explain why the mass of the reactants is the same as the mass of the products during a chemical change. Balancing equations

A

IM

Recognize that the mass of the reactants is the same as the mass of the products, given simple chemical equations. Balancing equations

 

 

Describe how variables such as temperature and concentration affect the rate of reaction.

A

IM

Determine how temperature and concentration might affect the rate of chemical reactions.

A

IM

Classify a reaction as exothermic or endothermic.

 

 

 

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