Focus+on+hydroponics

9C On the farm

Focus on hydroponics
Identify mineral salts and recall what they do.
 * Outcomes (what you will be able to do by the end of this lesson) **


 * Starter **
 * Review homework and completed work from last lesson
 * Key term quiz - there are lots of key terms in this unit

> media type="custom" key="22363078" > > media type="file" key="ES9_Cc038_05vco.flv" width="640" height="480" > a. What are NPK fertilisers? > b. What does NPK stand for? > c. For each mineral in the NPK fertiliser: > i. state why it is needed by the plant, i.e. what it is used for. > ii. describe what would happen to the plant if it did not get the required mineral. > d. Before we could make NPK fertiliser what did we use to increase the minerals available to crop plants? > e. If soils are not fertilised where do the mineral needed by plants come from? > f. Extension: what mineral is needed by plants to make the pigment chlorophyll? >
 * Activities **
 * 1) What is hydroponics? Watch this video about a chef in NYC who grows his own vegetables
 * 1) What are fertilisers? Discuss what fertilisers are and what they provide to plants. Next watch this video to see a farmer's perspective
 * 1) Research and find out the answers to the following questions (some answers can be found by reading your textbook). Record your answers in your exercise book.
 * 1) Complete Q1-5 from p38 of Exploring Science 9


 * Summary **
 * Review completed classwork / key term quiz


 * Homework activity options **

Skoool tutorials on:
 * Help and review**
 * Plant mineral requirements
 * Water and mineral salt uptake (how roots absorb them)


 * Useful extras**