2/17 & 2/ th Grade Agenda Period 4 Assembly Collect HW: Reading & Notetaking p. 125 – 128 Classification Classwork: Chap 7 Study Guide Drops on a penny Lab Video: Evolution – Bill Nye Text Book Reading: 255 – 257 HW: Reading & Notetaking p. 129 – 132 Reminder: Science Fair Project Due 2/22 & 2/23 (50 Points) Reminder: Chap 7 Test on 2/24 & 2/25

Reflection Prompt: Name 3 evidence that supports the theory of evolution.

Classification Classification is the process of grouping things based on their sim__________. The scientific study of how living things are classi______ is called taxonomy ilarities fied

Linnaeus naming system Linnaeus is a two word method of naming animals First word is called a genus and it is a classification grouping that contains sim_____ closely related organism. Second word is called species and it describes the distinctive feat_____ of an organism. ilar ure

Linnaeus Naming System Felis Concolor Felis Domesticus Felis Marmorata Cat Same Color Cat of the House Cat Marbled 1 st word is Genus 2 nd word is Species

Canine Family Tree Canine: conical teeth Lupus: means wolf

Human Evolutionary tree

Levels of Classification

Three Major Domains - Bacteria Bacteria are all around you. You can find them in yog____ you eat, on the every surface you touch and insi___ your body urt de

Three Major Domains - Archaea Archaea can be found in some of the most extr_____environments on Earth including hot spri_____, very salty water, swamps and intestines of cows. eme ngs

Three Major Domains - Eukarya Eukaryotes include organisms that have cells with nuclei. Eukaryotes include protists, fun__, pla____ and ani______ gi nts mals

Branching Tree Diagram A branching tree diagram shows probable evolutionary rela_________ among organisms tionships

Shared derived characteristic A branching tree diagram shows evolutionary relationships by grouping organisms according to shared chara________ Which characteristics appeared first? Backbone or Four Limbs Backbone cteristics

Science Fair Project due 2/22 & 2/23 (50 Points)

Science Fair Project Due 2/22 & 2/23 (50 Points) Title: 3 points Question: 3 Points Hypothesis : 3 Points Background: 3 Points Materials: 3 Points Procedures: 3 Points Data Table: 3 Points Graph: 3 Points Bibliography: 2 Points

Results: 3 Points Results: The results should look for patt________ in your data and graphs. Describe the patterns in 2-5 sentences. Results are factual so DO NOT include opi_______ or reasoning. erns nions

Discussion: 3 Points Discussion: The discussion should be one or more paragraphs. Why do you think you got the re______ that you did? Explain possible err______ and problems that occurred during your experiment? How can your experiment be impr________? What did you lea____ by doing this experiment? (Be scientific…do not say, “I learned that growing plants was fun.”) sult ors oved rn

Conclusion: 3 Points Conclusion: Restate your hypo________. Was your hypothesis supported or not supp_______? Explain why it was supported or why it was not (this should answer your initial question). thesis orted

Display Decoration: 5 Points Board must be 36 X 48 inches Is it Neat? Don’t forget about the decorations Make the Science Fair Board attractive with lots of drawing, decorations & photos

Challenging: 5 Points amount of time difficulty of the question and test quantity of trials/tests complexity of the experiment/experimental design

Scientific Validity: 5 Points accuracy of tests accuracy of scientific design controlled experiment One variable tested Other factors constant scientific measurement system

Drops on a penny lab