1. A CAMPAIGN TO SAVE H2O

2. INTRODUCTION Hi, in this blog we are goingtotalkabout a campaigntosave h20 thisbooklet can answeallyourquestion. I HOPE YOU LIKE IT!!!

3. WhatisExcretion? Excretion is the process of eliminating waste products of metabolism and other non-useful materials. It is an essential process in all forms of life.

4. PRIOR KNOWLEDGE Excretion is when a living thing get rid. In few days it can disappear. There are 6 types of animal that do different Excretion or could be the same. Types of animals: Amphibians, Birds, Fish, Insects, Mammals and Reptiles.

5. Excretion: H2O -H2O Is a liquid. -Excretionis a solid. Similarities: without h2o excretory system can’t work, because the water makes the excretion have a better digestion.

6. MATTER: Matteriseverythingthattakes up spaceiseverythingthatitsaroundyou. 1.Physical changes can becausedwith: a.Motion, temperature, color. b.Temperature, liquid,energy. C.Pressure,motion,temperature. D.Molecules,atoms, pressure. 2.Acoording tothereadingtherehavealwaysexistedfiovestçates of matter. Trueor false. 3.States of matter are examples of : A.Chemicalschanges. B.Physicalchanges. C.Non of theabove. D.A and B.

7. 4.If weaddenergyto a gas wewillhave:A.Solid.B.Plasma.C.Liquid.D.Non of theabove.5.The states of matternamed in thetext are:A.Solid, liquid , gases atoms,molecules.B.Solid,liquid,gasesplasma,boseensteincondensates.C.Solid, liquid, gases, mass, atoms.D.Nonopftheabove.6.Chemical changesarevrelatedto :A.Changes in themolecules.B.Change sin states.C.Changes in thetemperature.D.Changes in density.

8. 7.A drop of waterchangesitschemicalpropertieswhenitfreezes. Trues orfalse. 8.Say ifthestatementis true or false: 1-Gases fill up theshapeof a container(false) 2-Solids have a definitevolume(true) 3-Gases have a definetevolume(false). 4-Liquids have a definityshape.(false) 9.Which oneiseasiertocompress? A.Solid. B.Liquids. C.Gases. D.Non of theabove. 10.When youcompresssomething : A.Youforcetheatomsclosertogether. B.Youtake a certainamountand forceitintosmallerspace. C.All of theabove. D.Non of theabove.

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