Power point assignment for science

1. Water Water is a mixture and also homogenous, the reason it is a mixture is because it has different compounds that make it water. The reason it is homogeneous is because you are not able to see the compounds.

2. Table Sault Table Sault is a compound and a pure substance. The reason it is a compound is because it is made up of two elements or more two of those elements being sodium and chlorine. It’s pure because it is only made up of elements.

3. Pepsi Pepsi is a mixture and it is homogenous. It is a mixture because it is made up of many compounds. And it is homogenous because you can’t see what it is made of.

4. MY Hand My hand would be a mixture and a homogenous. The reason it would be these things it because My hand is made up of several compounds and you can’t see them.

5. Brass Trumpet This is a compound and a pure substance. The reason it is a compound is because it is made up of two elements Zink and Copper so it is also a pure substance, because they are elements.

6. Kitchen Fork The fork is made out of stainless steal which is a compound. It is made out of many elements and two of those elements are Fe (Iron) and Cr (Chromium).

7. Remote control computer car. This item would be a mixture because all of the complex hard drives and wires are made out of compounds. It is homogenous because you can’t see the compounds in this.

8. Air Air is a mixture and it is homogenous, the reason it is a mixture is because it is made up of different compounds and elements. It is homogenous because you are not able to see the compounds it is made out of.

9. Metal Polish This item is a mixture and a homogenous. The polish is a mixture because it has different compounds in it to make it metal polish. It is homogenous because you are not able to see these compounds.

10. Slide oil This slide oil is a mixture and a homogeneous. It is a mixture because it has the compounds mixed up together to make it slide oil, it is homogeneous because you can clearly see in the picture that you can’t see the compounds it is made out of.