8TH GRADE SCIENCE NGSS

Mr. Bentley's Class

Flexbook 2.0 Jenkins

The units Below are what is gong to be studied and the order of what is going to be studied in this class this year.

UNIT 1 - NATURE OF SCIENCE AND TECHNOLOGY

UNIT 2 - HEREDITY & CELLS

UNIT 3 - THE NERVOUS SYSTEM

UNIT 4 - ENERGY AND MINERAL RESOURCES

UNIT 5 - ECOSYSTEMS

UNIT 6 - ENVIRONMENTALISM

UNIT 7 - HISTORY OF EARTH

UNIT 8 - EVOLUTION

UNIT 9 - NATURAL HAZARDS

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UNIT 1 - NATURE OF SCIENCE AND TECHNOLOGY

Chapter 1 The Nature of Science

Students will explore the nature of scientific inquiry and engineering.

WEBSITES

The Hypothesis Song

Ocean Odyssey: Oil Cleanup

Science and the Metric System

Describe the processes used by scientists to conduct investigations.

What is Science?

The Scientific Method

Fact, Opinion, and Bias

Video: Does Bias Play a Role in Science

Video: Measurement Mystery

Sharing Information

Check for Understanding:Describe the Processes Used By Scientists to Conduct Investigations

Explain the importance of following the steps of scientific inquiry.

How Do Scientists Obtain New Knowledge? Scientific Method

Video: The Scientific Method Song

What are Independent and Dependent Variables?

Scientific Method and Data Analysis

Video: Using Robots for Inquiry

Check for Understanding: Explain the Importance of Following the Steps of Scientific Inquiry

Engineering Introductory Material

Video: What is Engineering

Video: Scientists Profile - Solar Vehicle Engineer

Introduction Guiding Questions

Engineering Design

Describe the engineering process.

You Are an Engineer

Video: The Engineering Process

Video:Jesse Has a Problem: Think Like an Engineer Part 1

Video: Jesse & Squeaks Build a Better Back Scratcher Part 2

Video: Defining Success

Video: NASA Now: Engineering Design Process: Hubble Space Telescope

Video: Crazy Engineering: The Camera That Fixed Hubble

Check For Understanding: Describe the Engineering Process

Explain how the engineering process is used to solve a problem.

Video: Let's Fly!

Video: A Case of What-If's

Video: Engineering Games

What is a Satellite?

Video: So You Want to Build a Satellite

NASA: Building Hope

Video: Crazy Engineering: Gecko Gripper

Check for Understanding Engineering 2

Describe the role of the engineering process in technology.

Video: Green Careers: Civil Engineer

Video: What Makes Bridges So Strong?

Video: The Robot Challenge

What is Robotics?

Video: Scientific Profile: Biomedical Engineer

Check for Uderstanding: Engineering 3

ACTIVITIES

INTRODUCTION TO THE MICROSCOPE ACTIVITY

Laying The Foundation Materials

"Exploring Experimental Design"

"Come Fly With Us"

Scientific Method Practice 1

"Penny Lab"

Scientific Method Practice 2

"Numbers in Science"

Dimensional Analysis

Significant Digits

Graphing Skills

LAB:

Scientific Method Virtual Lab

Graphs Virtual Lab

Binary Numbers Decision Tree Virtual Lab

Why Things Float Virtual Lab

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UNIT 2 - CELLS & HEREDITY

Green Book B "From Bacteria to Plants" Chapter 4 Section 1 only "Introduction to Plant Reproduction" and Chapter 2 Traits and How They Change Chapter 3 Interactions of Human Systems

Students will 1) Develop and use a model to describe why structural changes to genes (mutations) located on chromosomes may affect proteins and may result in harmful, beneficial, or neutral effects to the structure and function of the organism.

2) Develop and use a model to describe why asexual reproduction results in offspring with identical genetic information and sexual reproduction results in offspring with genetic variation.

3) Gather and synthesize information about the technologies that have changed the way humans influence the inheritance of desired traits in organisms.

WEBSITES

Describe how mutations may result in changes to proteins. Identify why mutations can be beneficial, harmful, or neutral.

Video: What is DNA and How Does it Work?

DNA Mutations in a Nut Shell

DNA Mutations

Video: Mutations

Video: How Mutations Cause Changes in Traits

Causes of Mutations

Mutation Types

Video: Types of Mutations

Check for Understanding: Causes of Mutations

Describe why offspring and parents often have different traits.

Genetics - Why do Offspring Resemble Their Parents?

Video: What is Inheritance?

Video: Inheritance of Traits

What are Dominant and Recessive?

Video: How to Draw a Punnett Square

Punnett Squares

Video: Guinea Pigs, Punnet Squares, and Probability

Video: Mendel's Inheritance Experiments

Check for Understanding: Genetics

Check for Understanding: Genetics

Describe how artificial selection occurs.

Reading: Artificial Selection

Video: Natural vs Artificial Selection

Reading: Artificial Selection and Examples

PowerPoint with Videos: Natural vs Artificial Slection

Video: Dog Breeding and Artificial Selection

Check for Understanding: Artificial Selection

Check for Understanding: Artificial Selection

ACTIVITIES

LTF Lesson

"Punnett Square Exercises"

Bean Bunny Evolution

"Green Beans the Wonderful Fruit"

LAB & Web Links

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UNIT 4 - ENERGY & MINERAL RESOURCES

Blue Book "M" Chapter 5

Students will 1) Construct and interpret graphical displays of data to describe the relationships of kinetic energy to the mass of an object and to the speed of an object.

2) Construct a scientific explanation based on evidence for how the uneven distributions of Earth’s mineral, energy, and groundwater resources are the result of past and current geoscience processes.

WEBSITES

Describe how kinetic energy depends on the mass and speed of an object.

Video: Speed vs. Velocity: What is the Difference?

Energy

Kinetic Energy

Video: Types of Energy

How to Calculate Kinetic Energy

Basics of Energy

Kinetic Energy, Mass, and Velocity

Describe why natural resources are distributed unevenly around the planet.

Video: How to Get Resources

Why is Oil Usually Found in Deserts and Arctic Areas?

How Were Fossil Fuels Formed?

10 Countries With the Most Natural Resources

Distribution of Natural Resources

Video: How Fossil Fuels are Formed

ACTIVITIES

LTF Lessons

Calculator Lab

Excel Lab

"Pendulum Swing"

"Mechanical Advantage"

LAB:

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UNIT 5 - ECOSYSTEMS

Chapter 4 Interactions of Life, Chapter 5 The Nonliving Environment

Students will 1) Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

2) Evaluate competing design solutions for maintaining biodiversity and ecosystem services.

3) Ask questions to clarify evidence of the factors that have caused the rise in global temperatures over the past century.

4) Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects.

5) Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.

6) Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth’s systems.

WEBSITES

Describe how disruptions to physical or biological aspects of an ecosytem can leads to shifts in the populations in the ecosystem.

Interactive: Exploring Trophic Cascades

SlideShow: Interdependence in a Food Chain

Video: Keystone Species: Animals That Keep Their Whole Ecosystem Together

Video: The Threat of Invasive Species

Check for Understanding: Interdependence in an Ecosystem

Identify how biodiversity is valuable for human wellbeing.

Video: What is Biodiversity and Why is it Important?

Website: Ecosystem Services

Video: Ecosystem Services

Reading: Importance of Biodiversity

Describe how volcanic eruptions occur, and explain how humans can monitor and avoid their effects.

Reading: Volcanoes at Plate Boundaries

Reading: Volcanoes at Hotspots

Visual: Ring of Fire

Interactive: Hawaii Hot Spots

Video: Landforms, Hey!

Check for Understanding: Volcanoes

Describe how earthquakes occur, and explain how humans can prepare for these events.

Video: Earthquakes 101

Video: Seismographs and Seismograms

Reading: Predicting Earthquakes

Reading: Earthquake Safe Structures

Reading: Earthquakes at Transform Plate Boundaries

Reading: Earthquakes at Convergent Plate Boundaries

Check for Understanding: Earthquakes

ACTIVITIES

LTF Lessons

"Life on the James"

"Baby Dice Island"

"A Cool Chemical Reaction"

"What's That Liquid"

LAB:

Web Links

Earthquakes and Volcanoes Glencoe Virtual Lab

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UNIT 6 - ENVIRONMENTALISM

Green Book E "Ecology", Chapter 4 Conserving Resources, Chapter 5 Conserving Life

Students will 1) Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.

2) Evaluate competing design solutions for maintaining biodiversity and ecosystem services.

3) Ask questions to clarify evidence of the factors that have caused the rise in global temperatures over the past century.

4) Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.

5) Construct an argument supported by evidence for how increases in human population and per-capita consumption of natural resources impact Earth’s systems.

Describe how human activities impact greenhouse gas levels in the atmosphere.

What Causes Climate Change?

Video: Explanation of Climate Change - Neil DeGrass Tyson

Video: Climate Change With Bill Nye

Main Sources of Methane Emissions

Main Sources of Carbon Dioxide Emissions

Video: New York City and Carbon Dioxide

Describe how human activities impact other living things on Earth.

Reading: Human Actions and the Sixth Mass Extinction

Reading: Human Causes of Extinction

Reading: Human Impacts on Animals

Reading: Endangered Species

Video: The Threat of Invasive Species

Video: Disappearing Frogs

Video: Why do Some Species Thrive in Cities?

Describe how human activities impact natural habitats.

Website: NASA Kids - Gallery of Air Pollution

Video: How Do Humans Change Their Environment?

Video: How To (Literally) Save Earth

Reading: Loss of Soil

Reading: Effects of Water Pollution

Reading: Habitat Destruction

Video: Human Impacts on the Environment

Describe how increasing human population size and resource use impacts Earth's natural systems.

Video: The Science of Overpopulation

Video: 5 Human Impacts on the Environment

Video: Human Activities that Threaten Biodiversity

Video: 7 Billion: How Did We Get So Big So Fast?

Reading: Humans and Their Environment

Reading: Population and Environment: a Global Challenge

Reading: Sustainable Development


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UNIT 7 - HISTORY OF EARTH 

Chapter 9 Clues to Earth's Past, Chapter 10 Geologic Time

Students will 1) Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past.

2) Construct a scientific explanation based on evidence from rock strata for how the geologic time scale is used to organize Earth’s 4.6-billion-year-old history.

WEBSITES

Describe how the formation and change of rocks records the story of Earth's history.

Video: Chronology of Rock Layers

Video: Reading Rock Strata - Layers in the Grand Canyon

Describe how fossils form and identify how fossils record the story of life's history on Earth.

Reading: What is a Fossil?

Video: Fossils

Reading: What is a Fossil and How is it Formed

Website: Fossils for Kids

Reading: Different Kinds of Fossils

Check for Understanding: Fossils and How They Are Formed

Identify how the layers of rock and fossils can be used to determine relative dates of events in Earth's history.

Reading: How to Read Rock Layers

Video: Fossil Rock

Video: Relative Dating of Rock Layers

Reading: What is the Difference Between Relative and Absolute Age?

Check for Understanding: Using Rocks to Learn the History of Earth

ACTIVITIES

LAB:

Geologic Time Virtual Lab (SAS)

Charles Darwin & Evolution by Natural Selection SAS Activity

Plant Evolution SAS Activity


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UNIT 8 - EVOLUTION

Embryology - Green Book "A" Chapter 6 section 2 p 169

1) Apply scientific ideas to construct an explanation for the anatomical similarities and differences among modern organisms and between modern and fossil organisms to infer evolutionary relationships.

2) Analyze displays of pictorial data to compare patterns of similarities in the embryological development across multiple species to identify relationships not evident in the fully formed anatomy.

3) Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals’ probability of surviving and reproducing in a specific environment

4) Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.

Describe how comparing the bodies of ancient and modern organisms shows how life has changed over time and how different species are related.

Video: What is Common Ancestry?

Video: What is the Evidence for Evolution

Video: Homologous Structures

Reading: Comparative Anatomy

Reading: Evidence from Comparative Anatomy

Describe how comparing the embryos of different species shows how different species are related.

Reading: Embryological Evidence

Reading: Which Embryo is Human

Video: Embryological Evidence

Check for Understanding: Comparative Embryology

Describe how natural selection leads to changes in how common specific traits are in a population.

Reading: Natural Selection

Video: Natural Selection

Interactive: Natural Selection with Birds

Video: Example of Natural Selection

Video: Myths and Misconceptions About Evolution

Check for Understanding: Natural Selection


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UNIT 9 - NATURAL HAZARDS

Chapter 8 Earthquakes & Volcanoes

Analyze and interpret data on natural hazards to forecast future catastrophic events and inform the development of technologies to mitigate their effects.

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