Grade 7 Life Science Activities & Resources

Linked to Grade 7 Arkansas Science Frameworks (Revised 2005)

(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.2.7.1 Illustrate the hierarchical relationships of cells, tissues, organs, and organ systems	The Cell as a System - AAAS	ACCESS EXCELLENCE Activities Exchange Animal Systems - Biology4Kids Biology - Skills Practice - Internet 4 Teachers Cell Games Cell Structures (Gizmo) Graphics Gallery - Access Excellence Learning Science - "The Cell" Microbe World - TrackStar Science-class.net - LESSONS ON ALL TOPICS	ACTAAP - Grade 7 Benchmark (Released Items) - April 2007
LS.2.7.2 Analyze how two or more organs work together to perform a function (e.g., mouth and stomach to digest food)	Systems of the Human Body - AAAS	Human Anatomy Online Human Body Activities (Science Spot) KidsHealth	Organ for Survival #56 (MC) - NAEP Oxygen Delivery Organs #17 (MC) - NAEP
LS.2.7.3 Identify organ systems in vertebrates and plants	Structure & Function in Living Systems - Learning Science Wood Magic - Lessons About Trees - OSU	Animals - Internet 4 Classrooms Froguts KidsHealth Flowers Modern and Ancient - "First Flower" by NOVA Great Plant Escape - Univ. of Illinois Invertebrate Biology - Iowa State University
LS.2.7.4 Analyze the structure and function of tissues, organs, and organ systems of a vertebrate and an angiosperm using various models or methods of dissection	Body Basics Bottled Model Lungs - Science NetLinks Dissected Flower Photos - Katie Kam Owl Pellets Sheep Brain Dissection	Body - Interactive - BBC Flowers Modern and Ancient - "First Flower" by NOVA Organs Game Structure & Function in Living Systems - Learning Science Virtual Body	Fish & Oxygen #31 (MC) - NAEP Flower Parts #3 (MC) - NAEP
LS.2.7.5 Compare and contrast vertebrate systems and plant organ systems		Evolution of Plants - World Builders Trees - Products & FREE Teacher Resources - Oregon State University
LS.2.7.6 Identify human body systems: nervous digestive circulatory respiratory excretory integumentary skeletal/muscular endocrine reproductive	Human Skeleton - Crayola	Body - Interactive - BBC Columbia Brain Atlas DEM Bones - NSTA Human Body Games Human Body Systems - Smithsonian KidsHealth Neuroscience For Kids Virtual Body - Learning Science Virtual Heart Transplant - NOVA	Heart Blood Flow #52 (MC) - NAEP
LS.2.7.7 Relate the structure of vertebrate and plant body systems to their functions		Digital Morphology - UT - NSF Plants - Internet 4 Classrooms	Similar Structures #2 (MC) - NAEP
LS.2.7.8 Investigate functions of human body systems		Homeostasis - Biology 4 Kids Structure & Function in Living Systems - Learning Science	Heart Rates & Running #30 (MC) - NAEP
LS.2.7.9 Describe interactions between major organ systems	Imagery & the Endocrine System - CEC	Human Body Organs - Science Spot KidsHealth
LS.2.7.10 Investigate careers, scientists, and historical breakthroughs related to life systems	The Fibonacci Sequence - AAAS	CAREERS Earth & Life Sciences - PBS Inventors & Innovators - AAAS Louis Pasteur - AAAS 100 Greatest Discoveries Royal Society Journals Sanitation & Human Health - AAAS	Genetic Engineering #57 (MC) - NAEP
LS.3.7.1 Explain that the fertilized egg cell carries genetic information from each parent and multiplies to form a complete organ		DNA DAY - National Human Genome Research Institute Graphics Gallery - Access Excellence Reproduction and Heredity - Learning Science
LS.3.7.2 Distinguish between sperm cells and egg cells		Ovum - Wikipedia Spermatozoon - Wikipedia
LS.3.7.3 Compare and contrast the structure and function of the sperm cell and the egg cell in vertebrates and plants and their role in sexual reproduction		Ovum - Wikipedia Spermatozoon - Wikipedia
LS.3.7.4 Investigate and analyze the development of embryos	Egg Dissection - Chicken & the Egg - Inquiry in Action	Embryology - UNSW Hatching Eggs - Guide	Animal Reproduction #42 (MC) - NAEP Reproduction of Different Animals #42 (MC) - NAEP
LS.3.7.5 Dissect a poultry egg to analyze its structure (e.g., paper, plastic, or clay models, virtual dissection, or specimen dissection)	What's Inside an Egg? - Oregon Elementary	Chickscope - Embryology Fertile Egg Dissection - Rolling Hills Elementary Incredible Egg - 4-H Curriculum
LS.3.7.6 Dissect a flower to analyze the reproductive system of angiosperms (e.g., paper, plastic, or clay models; virtual dissection; or specimen dissection)	Daffodil Dissection - Berkan Dissected Flower Photos - Katie Kam Flower Dissection Labs (2) - Holtzclaw	Angiosperms - Tree of Life Flowers Modern and Ancient - "First Flower" by NOVA Plants - Internet 4 Classrooms Snapdragon Dissection	Parts of a Flower #2 (MC) - NAEP
LS.3.7.7 Differentiate between sexual and asexual reproduction in vertebrates plants	Plant Parents - AAAS	How Plants Reproduce - World Builders Flowers Modern and Ancient - "First Flower" by NOVA Meiosis & Sexual Reproduction Mitosis Plants & Animals - Smithsonian Sexual Reproduction - Wikipedia
LS.3.7.8 Identify the number and source of chromosomes in human body cells	Duplicating Chromosomes - World Builders	Genetic Science Learning Center - University of Utah Molecular Basis of Heredity - Learning Science
LS.3.7.9 Identify the number and source of chromosomes in human sex cells		Graphics Gallery - Access Excellence Molecular Basis of Heredity - Learning Science
LS.3.7.10 Explain the role of cell division	Cell Size - World Builder	Cell Division (Gizmo) Cells Alive! Learning Science "Reproduction & Heredity" Mitosis
LS.3.7.11 Investigate careers, scientists, and historical breakthroughs related to reproduction		CAREERS Curriculum Resources & Publications Earth & Life Sciences - PBS Inventors & Innovators - AAAS 100 Greatest Discoveries National Wildlife Federation Significant Events of the Last 125 Years
LS.3.7.12 Summarize the interactions between organ systems in the maintenance of homeostasis		Homeostasis - BBC Homeostasis - Biology 4 Kids Homeostasis - Interactive	Body Temperature #55 (OR) - NAEP
LS.4.7.1 Explain the role of reproduction in the continuation of a species	Gene Pool - World Builders	Bat Conservation International Genetic Science Learning Center - University of Utah World in the Balance - NOVA