Fizz+and+chips

7F Bubbles, bangs and burning

State that carbon dioxide is given off when acids react with limestone. Know that word equations can be used to describe chemical changes. Solve simple word equations.
 * Objectives (what you will learn this lesson)**


 * Starter**
 * Review homework from last lesson

> media type="file" key="ES7_Fb081_02ani.swf" width="450" height="450" > - the general equation > - the answer to the chemical equations asked in the videos > media type="file" key="ES7_Fb081_08vvv.flv" > metal + acid --> salt + hydrogen > - write down the equation in your exercise book > - look back at the hydrogen tests you carried out in fizzy pop > - see if you can write down the correct word equation for each one
 * Activities**
 * 1) Read through p81 of Exploring Science 7
 * 2) Watch the animation showing a how carbonates react with acids
 * 1) Add some acid to a few marble chips in a test tube. What do you see happening? Feel the bottom of the test tube. What happens when you put a lit splint into the test tube (in the air, not the acid)?
 * 2) Answer the Qs from p81 of Exploring Science 7
 * 3) Watch the video on limestones and acids. Write down:
 * 1) The general equation for how acids react with metals is:
 * 1) Extension: complete [|Does it contain a carbonate?]. Print your work and put it in your book
 * 2) Extension: try to complete the word equations your teacher writes on the board

Review completed classwork / key term quiz
 * Summary**

Download [|Fizz and chips] complete the gapfill, print-off and stick into your exercise book
 * Homework**