Matter classification assignment 7A
Texte du Storyboard
- Hello, Today we are going to talk about matter classification.
- What are pure substances?
- What is matter, you ask? There is 2 types of matter. Pure substances and mixtures.
- A compound is made out of 2 or more elements.
- Salt and Distilled water are Compounds.
- Iron, Silver and Gold are Elements.
- Here are some examples in my fridge; Gold , salt, distilled water and Iron.
- A Pure Substance is a substance made out of 1 type of atoms or molucules. A pure substance is also made out of elements and compounds.
- Mike isn't sure if lead is a compound or a element, what do you think?
- I'm here with my friend Mike today, I asked him if lead is an Element or Compound. Let's see what he says.
- I think lead is a compound. But i'm not sure.
- A mixture has 2 or more atoms. There are 2 types, Homogenous and heterogenous. Here are some examples of Homogenous mixtures.
- A homogenous mixture is an evenly mixed mixture. For example, Mixing water completely in water and it disolving evenly is a homogenous mixture.
- Here are some examples of heterogeneous mixtures.
- A heterogeneous mixture is a uneven mixture of atoms.
- So what do think, is mixed tea with sugar a Homogenous or Heterogenous mixture.
- Clara says that she thinks it’s a Homogenous mixture. What do you think?
- I think it’s Homogenous mixture.
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