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- 1. Multiple Choice
What do we call something from nature that humans use?
natural resource
synthetic material
unlimited resources
steady materials
- 2. Multiple Choice
What is true about the chemical symbol H2O? Select all that apply!
"H" stands for "hydrogen".
"O" stands for "oxygen".
"H2O" is the chemical symbol for water.
There are two hydrogen atoms and one oxygen atom in every molecule of water.
- 3. Multiple Choice
Something not found in nature, but made by people is called....
natural resource
synthetic material
unlimited resources
steady materials
- 4. Multiple Choice
Which of the following are TRUE about synthetic materials? Select all that apply.
They are made from natural resources
They are made by humans through chemical reactions
A chemical change doesn't need to occur to make a synthetic material
Physical changes to natural resources can make synthetic materials.
- 5. Multiple ChoiceChemical change or physical change?
Chemical Change
Physical Change
- 6. Multiple ChoiceChemical change or physical change?
Chemical Change
Physical Change
- 7. Multiple ChoiceChemical change or physical change?Chemical ChangePhysical Change
- 8. Multiple ChoiceChemical change or physical change?Chemical ChangePhysical Change
- 9. Multiple Choice
What's a sign that a chemical change has occurred? Select all that apply.
The substance is torn in two.
Bubbles have formed
There is a chance in color or temperature.
A precipitate has formed
- 10. Multiple Choice
Which of the following are TRUE about synthetic materials? Select all that apply.
They can be useful to society.
Some could stick around in the environment as pollution.
Some can be biodegradable, which means they break down naturally and safely in nature
All synthetic materials are harmful and only scientists with years of training can make them.
- 11. Multiple Choice
What is the difference between natural and synthetic resources?
Natural are man-made, synthetic are found in nature
Natural occur in nature, synthetic are man-made
There is no difference
We don't use natural resources but we use synthetic resources
- 12. Multiple ChoiceIs hammering wood together to build a house a chemical or physical change?chemicalphysical
- 13. Multiple Choice
What kind of change is squeezing juice out of an orange?
- 14. Multiple Choice
What kind of change is cutting paper?
- 15. Multiple Choice
What kind of change is freezing water into ice cubes?
- 16. Multiple Choice
What kind of change is mixing vinegar & baking soda?
- 17. Multiple Choice
Which of the following are TRUE about chemical changes? Select all that apply
Substances are changed at the atomic level in chemical changes
A color or temperature change is a good sign a chemical change has occurred.
Melting or freezing of water is an example of a chemical change.
A nail rusting is an example of a chemical change.
- 18. Multiple Choice
Do synthetic materials require chemical changes to be made?
Yes
No
Sometimes
- Answer choicesTagsAnswer choicesTags