We began our first investigation of our chemistry unit this week. Our focus was on how can we make a mixture and how can we separate the components of a mixture. We used the substances earth material, powder, and kosher salt to observe what happens when we add water to create a mixture. Then we developed strategies for separating the substances from the water. We had to use a screen to separate the earth material from the water. We used a coffee filter to separate the powder from the water. Finally, we set out the salt and water mixture to allow the water to evaporate over the weekend in order to separate the water from the salt.