11/20 & 11/21 - 7th Grade Agenda Learning Objective: Learn about nonvascular & vascular plants Collect HW: Reading & Notetaking p.175 – 177 Pass out graded HW, Test & Grade Printout. Textbook Reading 370 - 374 HW: Reading & Notetaking p.178 – 179 HW: Signed Grade Printout Reminder HW: Science Fair Topic due 12/2 & 12/3 (10 Points)

Reflection Prompt: What are two differences between nonvascular and vascular plants? (write in complete sentences)

Why does the lemon looks yellow and leaves look green? Because lemon reflects yellow light Plant leaves reflect green light.

Which color of light is absorbed by chlorophyll? Chlorophyll absorb blue and red light

Why do leaves turn red and yellow in the autumn? Chlorophyll masks the color of most accessory pigments during most of the year In cool temperatures, chlorophyll breaks down and the colors of accessory pigments can be seen.

What are the characteristics of Nonvascular Plants? Mosses, Liverworts, Hornworts Low growing Can pass materials only from one cell to the next Cell walls provide support They get water directly from their surroundings.

Gametophyte & Sporophyte

Moss Reproduction Video

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.

What are the functions of roots? Anchor plants in the ground Absorb water and nutrients from the soil Store food.

Science Fair Project (85 Points) Science Fair Topic & Hypothesis due 12/2 & 12/3 Final Project due 2/24 & 2/25 Need to come up with a question and hypothesis. Next, you need to conduct an experiment and publish results.

Nature of Inquiry uestions municate pothesis periments onclusions Posing a q________ uestions Forming a Hy________ municate Com__________ pothesis Design an Ex________ periments Collect and Int_________ data onclusions Draw C__________ erprete

Scientific Inquiry stigate anations Scientific Inquiry refers to the diverse ways in which scientists inve_______ the natural world and pose expl__________ based on the evidence they gather. stigate anations

1st Step: Posing Questions Scientific Inquiry often begins with a problem or question about an obse_________. rvation

2nd Step: Hypothesis anations Hypothesis is a possible expl_______ for a set of observation or answer to a scientific question anations

3rd Step: Design an Experiment An experiment in which only one var______ is manipulated at a time is called a controlled experiment Why is only one variable manipulated? iable

4th Step: Collecting and Interpreting Data Data are the facts, figures, and other evi_______ gathered through observations. It is usually a data or a chart dence

5th Step: Drawing Conclusions A conclusion is a summary of what you have lea_____ from an experiment. rned

6th Step: Communicating Communicating is sharing of ideas and experimental findings with others through writing and sp______. eaking