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Seventh Grade Science Seed Germination: Preparing for an Experiment
Introduction Purpose Keys to Successful Experiments –seed are useful abundance variety low cost portability
Seed Germination Focus of the experiment Experimental treatments Environmental factors Terms: –radicle, shoot, seedling
Scientific Names Name Must be in Latin binomialName Must be a binomial –2 parts, genus & species
Diagram of the Parts of a Seed Dry & pre-soaked seed examinations Label drawing –common name –family name –scientific name
Take-Home Exercise Take home baggies, towels, & seeds Record names of seed types
Construct an Observation Table Use space on p.6. Observations and Measurements Bring baggies with sprouted seeds back to lab next week Kidney beans, day 2
Summarizing Data Data Statistics Populations vs. Samples quantitative vs. qualitative variables error, precision, and bias
Graphing Correlation: bar graph (frequency within categories) Height (in) Weight (lb) + Height (in) Comfort in airline seats - Figure 1: Percent Grade in Classes Band MathScienceArtComputers Classes % Grade
Descriptive Statistics mean population sample median range standard deviation
Presenting Tables Rows & columns Units must be indicated, e.g., –grams (g) –centimeter (cm) –millimeters (mm)
Seed Germination Experiment
Introduction Physical factors of the environment –Climate –Soil –Stimulants –Inhibitors Biotic vs. Abiotic Competition Allelopathy
The pH Scale neutral acidic basic or alkaline
pH Example ACID BASE NEUTRAL
Example Using pH
Fire Exposure Example
CONTROLTREATMENT 1 TREATMENT 2TREATMENT 3 Fire Exposure Example
Supplies and Equipment Provided: –ziploc baggies, paper towels, and seeds Not Provided: –inexpensive common household items needed to carry out the experiment
Designing an Experiment problem hypothesis procedure prediction construct data table
Check it Out (p.7.) I will check your experimental design Begin experiment after you get the OK Conduct experiment for ONE WEEK
Writing up Your Experiment Must Have a Formal Lab Report Write-up which includes –Observations table graph –Discussion
Bean seed germination. 1. Observe 2 beans that are dry. 1Draw them true size. 2 Measure the mass, length and width. Record general observations about.
Scientific Method 6 Steps to Follow to be a Science Fair Success!
EXPERIMENTAL DESIGN Science answers questions with experiments.
Internal Assessment Your overall IB mark (the one sent to universities after the IB test) in any IB science course is based upon two kinds of assessments.
Cardiac Lab Your formal second semester lab write-up.
Quantitative and Scientific Reasoning Standard n Students must demonstrate the math skills needed to enter the working world right out of high school or.
Design an Experiment Essay Questions Many of the past National AP Biology lab based essay questions have asked students to “Design an experiment to…”
SADC Course in Statistics Statistical concepts Module B2, Session3.
Process Skills Review sheet. #1 a. Observation b. Qualitative c. Quantitative.
DATA The Star of the Science Project. Types of Scientific Inquiry Demonstrations Simple Inquiry Comparative Studies Descriptive Studies Controlled Experiments.
Teaching Data Analysis as an Investigative Process with Census at School Rebecca Nichols and Martha Aliaga American Statistical Association.
Science in Our World Chapter 1 7 th Science-GIBB.
Data Collecting, Organizing & Analyzing. VARIABLES & DATA TABLES.
Science Research Group 4 Project. As IB Science students, you have the unique opportunity to work on a research project that steps outside the boundaries.
Lesson 8 Data Toss. Key Vocabulary Data: Factual information derived from scientific experiments Hypothesis A possible explanation for observations, facts,
The Scientific Method Not just for scientists! Adapted from
Quarter 2, 2007 BENCHMARK MAP BENCHMARK MAP October 10 – December 20.
Scientific Method. Steps in the Scientific Method State the Problem State the Problem Collect Information Collect Information Form Hypothesis Form Hypothesis.
Lab Portfolio Formatting Topics – Expt. Design. The IB Portfolio The IB portfolio includes evidence for all laboratory work sessions: 40 hours SL or 60.
The Scientific Method. Steps of the Scientific Method The Scientific Method is used by all Scientists The Scientific Method is made up of many parts called.
Scientific Method. Steps in the Scientific Method Observation Observation Hypothesis Hypothesis Experiment Experiment Data Collection Data Collection.
The Problem 1. Identify a problem 2. May be something you have observed 3. You wonder why it happens.
Statistical Analysis WHY ?. Quantitative Data o Quantitative – measured using a naturally occurring numerical scale o Examples o Chemical concentration.
SEVEN QUALITY CONTROL TOOLS (or) OLD SEVEN TOOLS.
The Scientific Method 1. Define the problem by OBSERVING. a. Make observations by using the 5 senses to perceive objects/events. b. Collect DATA by measuring.
Chapter 1 Introduction to Science. What is Science? Science is what scientists do Science is what scientists do Science is trying to explain the world.
Chapter 14: Usability testing and field studies. The aims: Explain how to do usability testing through examples. Outline the basics of experimental design.
The Internal Assessment Your turn to experiment!.
Instructions for Setting up Your Lab Notebook. FIRST Open your lab notebook to the very first page. On the top line write, Table of Contents Count front.
Probability and Statistics Representation of Data Measures of Center for Data Simple Analysis of Data.
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