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- 1. Multiple Choice
Lead is an element. What word below describes an element?
pure substance
compound
heterogenous mixture
homogenous mixture
- 2. Multiple Choice
What kind of substance is table salt (NaCl)?
compound
homogenous mixture
heterogenous mixture
pure substance
- 3. Multiple Choice
Sugar, water and Kool-Aid mix together in a way where each substance can not be seen. What type of mixture is this?
compound
heterogenous mixture
homogenous mixture
pure substance
- 4. Multiple Choice
All of the ingredients can be seen and physically separated. Which type of mixture is vegetable soup?
heterogenous mixture
compound
pure substance
homogenous mixture
- 5. Multiple Choice
You can find Oxygen on the Periodic Table. What type of substance is Oxygen?
pure substance
homogenous mixture
compound
heterogenous mixture
- 6. Multiple Choice
The elements Hydrogen and Oxygen chemically combine to make water. What type of substance is water?
pure substance
compound
heterogenous mixture
homogenous mixture
- 7. Multiple Choice
Gold is an element. What would be another name you could call Gold?
compound
pure substance
heterogenous mixture
homogenous mixture
- 8. Multiple Choice
The ingredients in Mountain Dew are uniformly distributed, meaning you can not see each individual ingredient. What type of mixture is Mountain Dew?
compound
homogenous mixture
heterogenous mixture
pure substance
- 9. Multiple Choice
The chemical symbol for Iron is Fe. What type of substance is Iron?
pure substance
compound
heterogenous mixture
homogenous mixture
- 10. Multiple Choice
The chemical combination of Iron and Oxygen combine to make the compound rust (Fe2O3). What type of substance is rust?
compound
heterogenous mixture
homogenous mixture
pure substance
- 11. Multiple Choice
Dirt, grass, rocks can all be seen in soil. What type of mixture is soil?
compound
heterogenous mixture
homogenous mixture
pure substance
- 12. Multiple Choice
Which elements are in baking soda (NaHCO)?
Na, H, C, O
NA, h, c, o
na, hco
homogenous mixture
- 13. Multiple Choice
Where would the reactants in a chemical reaction be located?
Left of the Arrow
Right of the Arrow
The entire equation are reactants
there are no reactants, only products
- 14. Multiple Choice
A baseball being thrown by a pitcher is an example of what type of energy source?
potential energy
kinetic energy
- 15. Multiple Choice
What are the products in this chemical equation?
Vinegar and baking soda
Water and Carbon Dioxide
Vinegar and water
Carbon Dioxide and Baking soda
- 16. Multiple Choice
Two clear solutions are mixed together in a beaker. Which would most likely indicate a chemical change had occurred?
separation of the two liquids within the beaker
increase in mass of the liquid in the beaker
increase in volume of the liquid in the beaker
change of color of the liquid in the beaker
- 17. Multiple Choice
Which indicates a physical change?
change in state (solid, liquid and gas)
formation of a precipitate
release of heat
formation of a new substance
- 18. Multiple Choice
Which is an example of a chemical change?
boiling water
burning wood
freezing water
chopping wood
- 19. Multiple Choice
Which is an example of a physical change?
burning paper
baking a cake
cutting paper
a bicycle rusting in the rain
- 20. Multiple Choice
baking soda and vinegar chemically combine. Physical or chemical change
physical
chemical
- 21. Multiple Choice
roasting a marshmallow. Physical or chemical
physical
chemical
- 22. Multiple Choice
chocolate melting. physical or chemical?
chemical
physical
- 23. Multiple Choice
How are compounds different from mixtures?
Mixtures are not chemically combined
Mixtures are heterogenous and elements are homogenous
Compounds do not contain elements. Only mixtures contain elements
Compounds are chemically combined with mixtures to create elements
- 24. Multiple Choice
Which mixture is heterogenous?
- 25. Multiple Choice
Which mixture is homogenous?
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