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Grade 8 Life Science Activities & Resources

Linked to Grade 8 Arkansas Science Frameworks

(VIDEO resources are provided by United Streaming through the "Arkansas Ideas" web site.  The service is free for teachers in Arkansas but registration is required to create a user name and password.)

 

FRAMEWORK

 

Lesson/Activity

 

Web Resources

Questions

MC = Multiple Choice
OR = Open Response

LS.2.8.1

Illustrate the hierarchical relationships of cells, tissues, organs, organ systems, and organisms

 

 

 

Bottled Model Lungs - Science NetLinks

Cell Size - World Builder 

Imagery & the Endocrine System - CEC

Scanning Electron Microscope - Museum of Science

Skin as an Organ - AAAS

The Cell as a System - AAAS

Animal Systems - Biology4Kids

Body - Interactive - BBC

Cell Division (Gizmo)

Cell Games

Cell Structures (Gizmo)

Heart - Franklin Institute

Human Anatomy Online

Human Body Systems - Smithsonian

Learning Science - "The Cell"

Mitosis

Structure & Function in Living Systems - Learning Science

Virtual Heart Transplant - NOVA

Fish & Oxygen #31 (MC) - NAEP

Heart Blood Flow #52 (MC) - NAEP

Organ for Survival #56 (MC) - NAEP

Oxygen Delivery Organs #17 (MC) - NAEP

 

  

LS.2.8.2

Identify different types of single-celled organisms:

  • protists
  • bacteria

 

 

 

Protist - Image Data

Scanning Electron Microscope - Museum of Science

What's Bugging You? - AAAS

 

Cells Alive!

Microscope (Lots of Links) - Dragonfly

Microbe World - TrackStar

Pond Life - Molecular Expressions

Protists - Mr. Carl's e-Class

The Protists

 

 

LS.2.8.3

Relate the effect of bacteria on oral health

  

 

Oral Piercing & Health

 

KidsHealth

Oral Health - MAYO Clinic

Oral Health & Your Heart

 

LS.2.8.4

Describe and illustrate single-celled organisms found in pond water

 

 

Microscopic Life in Water

Pond Life Identification Kit - Microscopy UK

Virtual Pond

 

Pond Life - LOTS OF LINKS

Pond Water Basics - Science Scope

What can we learn about water at the pond? - 4H

 

 

LS.2.8.5

Use a dichotomous key to classify organisms found in pond water

 

 

Dichotomous Key for Aquatic Insects

Into the Pond - Earthworks

Water Critter Key - EEK

A Drop of Life - Biomedia

Natural History of South Carolina

Pond Life Identification Kit - UK

Pond Study - Home Science Tools

Save Our Streams - Monitor's Guide to Aquatic Macroinvertebrates

    By Loren Larkin Kellogg

    ISBN 0-941675-06-8

    Published by the Izaak Walton League of America  

 

LS.2.8.6

Compare and contrast characteristics of unicellular organisms and multi-cellular organisms

   

 

Scanning Electron Microscope - Museum of Science

 

Pond Life - Molecular Expressions

 

LS.2.8.7

Classify cells as eukaryotic  or prokaryotic

 

 

 

 

Cells Alive!

Classification - AAAS

Eukaryota

Eukaryotic Cell Images

Eukaryotic Cells - Cellupedia

 

 

LS.2.8.8

Identify and describe similarities and differences among organisms of different, but closely related taxa (e.g., pine trees, big cats, rodents, ungulates)

 

 

Trees of the Pacific Northwest (Dichotomous Key)- OSU

 

 

Digital Morphology - UT - NSF

 

 

 

LS.2.8.9

Investigate careers, scientists, and historical breakthroughs related to organisms

 

 Microbes 2:  Louis Pasteur- a Microbe Discoverer - AAAS

CAREERS

Earth & Life Sciences - PBS

Flowers Modern and Ancient - "First Flower" by NOVA

100 Greatest Discoveries

Royal Society Journals

 

LS.3.8.1

Identify and explain why inherited characteristics of living things depend on genes

 

 

Gene Puzzles - AAAS

How Plants Reproduce - World Builders

Genetic Science Learning Center - University of Utah

Reproduction and Heredity - Learning Science

Genetic Engineering #57 (MC) - NAEP

LS.3.8.2

Differentiate between dominant and recessive traits

 

 

 

DNA From The Beginning

 

LS.3.8.3

Observe and classify traits as dominant or recessive:  

  • tongue rolling
  • detached earlobes
  • widow’s peak
  • hitchhiker’s thumb
  • dimples
  • unibrow

 

 

 

Gene Puzzles - AAAS

 

DNA DAY - National Human Genome Research Institute

 

LS.3.8.4

Differentiate among observed inherited traits and acquired traits of plants and animals

 

Angiosperms - Tree of Life

Great Plant Escape - Univ. of Illinois

Learning Science "Reproduction & Heredity"

Plant Hardiness - National Arboretum

 

 

 LS.3.8.5

Interpret simple genetic crosses using Punnett Squares

 

 

Punnet Square Examples - Interactive

 

How Genes Combine

Probability of Inheritance

 

LS.3.8.6

Predict patterns that emerge from simple genetic crosses

 

Genetics with a Smile - Science Spot  

Genetic Science Learning Center - University of Utah

 

 

LS.3.8.7

Conduct investigations demonstrating that the phenotype of a genetic trait is the result of genotype

 

 

Genotype/Phenotype Activities

 

Genotype & Phenotype

Why identical twins have different finger prints.

 

LS.3.8.8

Explain how genetic variation within a species is a result of dominant traits and recessive  traits

 

Duplicating Chromosomes - World Builders

Gene Pool - World Buuilders

GENOMiCS Game

Molecular Basis of Heredity - Learning Science

 

LS.3.8.9

Compare and contrast patterns of embryological development for all vertebrates, including humans

 

 Incredible Egg - 4-H Curriculum 

What's Inside an Egg? - Oregon Elementary

Embryology - UNSW

Fertile Egg Dissection - Rolling Hills Elementary

 

LS.3.8.10

Distinguish between characteristics of plants and animals through selective breeding

 

Plants & Animals - Smithsonian

 

 

Biology - Online Book

 

 

LS.3.8.11

Investigate careers, scientists, and historical breakthroughs related to genetics

 

 

Famous Geneticists

Geneticists - What do they do?

CAREERS

Earth & Life Sciences - PBS

Inventors & Innovators - AAAS

100 Greatest Discoveries

Genetic Engineering #57 (MC) - NAEP

LS.3.8.12

Compare the theory of evolution to the characteristics of a scientific theory

 

 

 

Reasoning in Science - Biology 4 Kids

Understanding Evolution - UC

 

LS.3.8.13

Identify basic ideas related to biological evolution:

  • diversity of species
  • variations within species
  • adaptations
  • natural selection
  • extinction of a species

 

 

Birds of Prey - AAAS

Diversity & Adaptation - Learning Science

Rise & Fall of the Mammoths - AAAS

 

Animal Diversity - Frog Calls

Evolution of Plants - World Builders

Natural Diversity in Arkansas

Night Creatures of the Kalahari - NOVA

Plant Fossil Record

 

 

LS.3.8.14

Explain that the fossil record provides evidence of life forms’

appearance, diversification, and extinction

 

 

Skull Diversity - AAAS

Virtual Fossil Dig - Dragonfly

 

Flowers Modern and Ancient - "First Flower" by NOVA

Fossil Record of Seed Plants

History of Life Through Time

Jewel of the Earth - NOVA

Making Fossils - BBC

Plant Fossil Record

What Killed the Dinosaurs - PBS

 

LS.3.8.15

Explain the process of natural selection

 

 

 

Fossil Record of Seed Plants

Health Map - Global Disease Alert Mapping System

Natural Selection - Wikipedia

Plant Fossil Record

World in the Balance - NOVA

 

LS.3.8.16

Identify genetic traits that make organisms more likely to survive and reproduce in a particular environment

 

   

Dark & Light Moths

Winter Survival in Alfalfa

Seedlings Grow Fast #85 (OR) - NAEP

LS.3.8.17

Investigate careers, scientists, and historical breakthroughs related to natural selection and the fossil record

 

 

 

 

CAREERS

Curriculum Resources & Publications

DNA From The Beginning

Earth & Life Sciences - PBS

Environmental Careers

Flowers Modern and Ancient - "First Flower" by NOVA

Significant Events of the Last 125 Years

 

Evidence from Fossil Record # 45 (MC) - NAEP

LS.4.8.1

Analyze the effect of changes in environmental conditions on the survival of individual organisms and entire species

 

 

Bird Beaks - AAAS 

Build a Prairie

Explorations:  Then & Now - NASA

Rainforest Biodiversity - Flinn

 

Bioscience Challenges

Evolution of Plants - World Builders

Webs of Life - Dragonfly

Where Have All the Frogs Gone?

 

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