Diffusion.

Slides:

Advertisements

Similar presentations

Kinetic Molecular Theory,

Advertisements

States of Matter, Kinetic Molecular Theory Read Ch 13 1.Are there larger attractive forces between molecules of gases, liquids, or solids? Explain.

Diffusion and Osmosis.

Ch 23 Section 1 Notes.

Kinetic Energy and Phase Changes. Diffusion Diffusion is the process by which molecules will move randomly in order to fill the space that they are in.

Elements and their Combinations

Section 3 The Nature of Matter.

Properties and characteristics All matter is classified as one of three physical states of matter. SOLID LIQUID GAS.

Physical & Chemical Change. Physical Change: a change in which no new substance is produced e.g.

MOVEMENT INTO AND OUT OF CELLS

Diffusion D. Crowley, Diffusion To understand, and be able to explain diffusion Saturday, May 16, 2015.

The particle theory What is a crystal made up of? Crystal.

Movement In and Out of Cells

The particle nature of matter: revision. You should be familiar with the characteristic properties of solids, liquids and gases from your junior science.

Aseel Samaro Exploring diffusion.  Diffusion is a process in which particles move and spread out.  Unsurprisingly, gas particles diffuse much faster.

Mix and separate Kiera W. What is a mixture? A MIXTURE is made of two or more pure substances mixed together. Examples of mixtures include: Air, soft.

Water Phase Change Graph

Shrinking balloons hydrogen air After 1 week Shrinking balloons The balloons have got smaller so some of the gas they contain has escaped. This means.

Mixtures And Solutions

What factors effect diffusion ?

Diffusion & Osmosis.

Heat-Energy on the Move

Aim: What is the difference between solids, liquids, and gases?

 A bottle of perfume is opened in the room why can we smell it after a while  This is called diffusion  Diffusion is when particles move from a high.

States of Matter. Targets... Today we will be: Developing our knowledge and understanding of solids, liquids and gases – I can give examples of solids,

 Matter is made up of tiny particles (atoms)  Particles  Matter  Solids  Liquids  Gases  Particles  Matter  Solids  Liquids  Gases.

“water decomposes to form hydrogen gas and oxygen gas” H 2 O (l) -> H 2 (g) + O 2 (g) 2 H 2 O (l) -> 2 H 2 (g) + O 2 (g) Can you guess which tube holds.

Solids & Liquids - small distance between particles - slow moving particles.

Changes of State. Is the change of a substance from one physical form to the other All changes of states are physical changes, this means that the identity.

Changing States 3.5C Changing States Vocabulary matter gas solid liquid heat temperature conductor insulator freezing melting evaporating.

Matter Tommy Jenkins Hello. Pay attention. It does MATTER!

Unit 1 Revision S. C. Fordwhalley. Solids, Liquids, Gases 1. Which state of matter is hard, cannot be poured and does not take the shape of a container?

1.7 Cells in their Environment Read p. 22 to 23. As you read, think about how nutrients enter cells.

Water is made up of molecules. Water changes state (gas, liquid, solid) when it’s molecules are heated or cooled.

Particulate Model of Matter What Matter is Made Up of What is matter made up of? Ancient Greek philosophers thought that matter was made up of fire,

Heat-Energy on the Move

8K Light Chemistry States of Matter Today’s learning objective is to: Level 3 - Describe some everyday effects of diffusion Level 4 - Describe the process.

Convection. Learning objectives Demonstration We are going to do an experiment to see how heat (thermal energy) moves through a liquid. We will put potassium.

How does the potassium permanganate move?. DIFFUSION OF GASES flickr.com Nitrogen dioxide diffusing.

When can you smell the deodorant? Put your hand up when you can.

TESTS FOR GASES & WATER.

HEAT ENERGY AND ITS TRANSFER. 2. HEAT TRANSFER BY CONVECTION.

Chapter 2 Chemistry Lesson 2 Changes of State Essential Questions: 1.) What happens to particles of a solid as it melts? 2.) What happens to particles.

GAS Gas Gas: is matter that does not have its own shape. Gases take the shape of whatever container they are in. Example: The air all around us is a.

Waid Academy Science Particles: Solids, Liquids & Gases.

Lakshay Gangwal Roll no. – 804 Class - IX.  As we look at our surroundings, we a large variety of things with different shapes,sizes and textures. Everything.

P Matter & Temperature Study Questions: Can you answer these? Did you write these in your notes?

Potassium permanganate crystals Filter paper soaked in salt solution.

Movement in and out of cells. You need to learn this definition:  Diffusion is the net movement of molecules from a region of their higher concentration.

Solids, Liquids, & Gases Chapter 3.

How Cold Is Cold? I Bet It’s Colder Than You Think.

Models of Matter.

Mixtures And Solutions

dissolving KMnO4 crystal

Heat-Energy on the Move

Lesson Starter Write a sentence explaining why solids are difficult to compress Can liquids be compressed? Explain your answer. Why are gases easy to.

1st Year Science – Chemistry

Materials Students Lined paper Room 17 Pencil crayons Dixie cups

States of Matter.

States of Matter LO: I know what is meant by the three states of matter.

Practical We are going to do an experiment to see how particles of one substance move through a liquid.

Solids, liquids and gases

States of Matter Section 3.1.

Diffusion D. Crowley, 2007.

Presentation transcript:

Diffusion

Moving particles… gas in a gas Why can someone on the other side of the room smell the aerosol? Why does the smell disappear?

Moving particles… gas in a gas Damp litmus paper Boiling tube Cotton wool dampened with ammonia Heat proof mat

What are the particles doing? This process of spreading out is called diffusion

Diffusion in Gases http://www.youtube.com/watch?v=H7QsDs8ZRMI

Moving particles… solid in a liquid Potassium permanganate crystals

Moving particles… is it gravity? Potassium Permanganate Jelly Potassium Permanganate

Moving particles… Liquid in a solid Coloured gel Clear gel

Moving particles… liquid in a liquid What happens when you add diluting juice or food colouring to water?

Predication? Why do you think that? Gummy Bear in Water Predication? Why do you think that?

Diffusion Interactive http://www.echalk.co.uk/Science/physics/diffusion/diffusion.html

Diffusion Animation http://www.brainpop.com/science/matterandchemistry/diffusion/