Pure substances and mixtures
Storyboard Text
- School bell: RINNGG!
- GET TO CLASS GIRLS!
- Cement is a mixture. Cement has lime water sand and lots of other minerals in it.
- Science class
- Mixture example
- Cake has a bunch of ingredients with lots of different atoms.
- Pure substance example
- Diamond is just made up of coal atoms, and no other atoms.
- Baking soda has a constant composition of sodium carbonate.
- okay kiddos. Turn in your homework, you should have listed as many mixture and elements as you could.
- Oh NO! It seems like the boy in the green hat didn't do his homework!
- I'm just gonna copy the girl in front of me
- HES CHEATING!
- Mud is soil silt or clay, which is a bunch of elements and molecules.
- Mixture example
- Air is a mixture because it has oxygen and nitrogen, so it has more than one atom.
- Seawater is a mixture because it has salt and fish residue and water in it.
- Mixture example
- Brass has two elements that don’t bond together proportionally and can connect in any order.
- That's all you got?
- let me name a few.
- Chlorine is made up of just chlorine atoms.
- Pure substance examples
- sulfur is an element only made up of sulfur atoms
- Gold is made up of just gold atoms.
- If you needed help you should have asked me. That's okay ill give everyone some answers!
- Gunpowder is a mixture. Its made up of more than one atom, it has potassium nitrate, charcoal, and sulfur. water is pure, It’s a pure compound and was made as a new substance.
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