How are homogeneous mixtures and heterogeneous mixtures similar?
How are pure substances and mixtures different?
This graph shows the effect of temperature on the time it takes salt to dissolve in water.

In what temperature of water does salt dissolve the fastest?
Salt water is a homogenous mixture. Can it be separated physically?
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Gold is an element. What is true about gold?
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Tea with milk is made of two or more substances and has the same properties throughout the whole mixture. What is tea with milk?
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This is calcium carbonate.

What is calcium carbonate?
This is kachumbari. People eat it in East Africa.
Is kachumbari an element, compound, homogeneous mixture (solution), or heterogeneous mixture? Why?
Kachumbari is a _____________________ because _________________________________.
How do you know what calcium carbonate is?