h2o and the excretory system sofia

H2o and the excretory system

By sofia idarragaTo: t.angel nestor wattler

Introduction!!

Hi in this power point im going to talk about what is excretion what is h20 and h2o and the excretory system what are they about and in what they are common.

I HOPE YOU LIKE IT!!

WHAT IS EXCRETION??

Is the process by wich the body gets rid and eliminate the waste products that we dont need in our body!!

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H2O excretion-H2O Is a liquid.

-Excretion is a solid.

Similarities: without h2o excretory system can’t work, because the water makes the excretion have a better digestion.

MATTER:

Matter is everything that takes up space is everything that its around you.

1.Physical changes can be caused with: a.Motion, temperature, color. b.Temperature, liquid,energy. C.Pressure,motion,temperature. D.Molecules,atoms, pressure.

2.Acoording to the reading there have always existed fiove stçates of matter.

True or false.

3.States of matter are examples of : A.Chemicals changes. B.Physical changes. C.Non of the above. D.A and B.

4.If we add energy to a gas we willhave:A.Solid.B.Plasma.C.Liquid.D.Non of the above.

5.The states of matter named in the text are:A.Solid, liquid , gases atoms,molecules.B.Solid,liquid,gases plasma,bose enstein condensates.C.Solid, liquid, gases, mass, atoms.D.Non opf the above.

6.Chemical changes arev related to :A.Changes in the molecules.B.Change sin states.C.Changes in the temperature.D.Changes in density.

7.A drop of water changes its chemical properties when it freezes. Trues or false.

8.Say if the statement is true or false: 1-Gases fill up the shape of a container (false) 2-Solids have a definite volume(true) 3-Gases have a definete volume(false). 4-Liquids have a definity shape.(false)

9.Which one is easier to compress? A.Solid. B.Liquids. C.Gases. D.Non of the above.

10.When you compress something : A.You force the atoms closer together. B.You take a certain amount and force it into smaller space. C.All of the above. D.Non of the above.

END!!