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12/9 & 12/10 - 7th Grade Agenda Collect HW: Chap 10 Reading Guide Section 1 Collect Signed Grade Printout Video: Science Fair Project Video: Private Lives of Plants (Flowering) Textbook Reading 377 – 383 HW: Workbook p.183 – 186 Reminder: Bring a flower on 12/14 & 12/15 for flower dissection lab. ( 5 Points) Reminder: Science Fair Proposal Due 12/16 & 12/17 (10 Points) Reflection • Prompt: Give 2 reasons why flowers are important. What is the difference between pollen and seeds. Reminder Homework for 12/14 & 12/15 HW: Bring a large flower in a plastic bag w/ your name on it. that we will observe in class: Best to bring a Lilly Next best is to bring a large flower where you can see the pistil and stamen. You can go to a florist and ask them of any old flower that they are going to throw away 5 Points What is a seed plant? • All have vascular tissues • Most plants are seed plants (10 to 1) • Seed plants use seeds to reproduce • All seed plants have roots, leaves and stems • In plants what you see are the sporophyte stage. Parts of Seeds • Embryo • Stored Food • Seed Coat. What do seeds need to develop into a new plant? • Light • Water • Nutrients. How can seeds be scattered? • • • • Animals Water Wind Shooting out of plant. What is Germination? • Early Growth Stage of Embryo What role do leaves play in plant? • Leaves capture the sun’s energy and carry out the food making process of photosynthesis Structure of leaf What are the functions of stems? • • • Carry substances between the leaves and roots Support the plant and hold up the leaves Store food. Vascular Tissues: Xylem vs Phloem • Food flows down the _________ Phloem Vascular Tissues: Xylem vs Phloem • Water travels up the _________ Xylem What are the functions of roots? • Anchor plants in the ground • Absorb water and nutrients from the soil • Store food. What are Gymnosperms? • A gymnosperm is a seed plant that produce naked seeds. Life Cycle of Gymnosperm • Most Gymnosperms produce two types of cones: Male cones and female cones Angiosperm Review • Q: What is a plant that produce seeds that are enclosed in a fruit called? • A: Angiosperm What is the reproductive structure of angiosperms? • Flower What are the two characteristics of angiosperms? • 1. Produce Flowers • 2. Produce Fruits Structure of Flower Science Fair Project (85 Points) • Science Fair Topic & Hypothesis due 12/16 & 12/17 • Final Project due 2/22 & 2/23 • Need to come up with a question and hypothesis. • Next, you need to conduct an experiment and publish results. Nature of Inquiry Posing a q________ uestions municate Com__________ Forming a Hy________ pothesis Design an Ex________ periments onclusions Draw C__________ Collect and erprete data Int_________ 1st Step: Posing Questions • Scientific Inquiry often begins with a problem or question about an obse_________. rvation 2nd Step: Hypothesis • Hypothesis is a possible expl_______ anations for a set of observation or answer to a scientific question 3rd Step: Design an Experiment • An experiment in which only one var______ iable is manipulated at a time is called a controlled experiment • Why is only one variable manipulated? 4th Step: Collecting and Interpreting Data • Data are the facts, figures, and other dence gathered evi_______ through observations. • It is usually a data or a chart 5th Step: Drawing Conclusions • A conclusion is a summary of what you rned from have lea_____ an experiment. 6th Step: Communicating • Communicating is sharing of ideas and experimental findings with others through writing and sp______. eaking Science Fair Video Drawing of flower p.393 • • • • Draw the flower (Don’t trace) label it. Write the description Don’t Color