Which action will result in a product with new chemical properties?

Sterling silver is a combination of silver and copper. Which of the following is also a combination of two or more metals?

A metal spoon was left in a pot of boiling soup. The cook burned a finger by touching the spoon. Why did the finger get burned?

A scientist needs to take a picture of the well ordered arrangements of the atoms and molecules within a substance. Which of the following would be best for the scientist to use?

Which of the following is a property of CO2 gas?

All living things contain which element?

Which of the following systems breaks food into nutrients that can be used by the body?

Which list gives the correct order of food traveling through the digestive system after it is swallowed?

Which organ removes cell waste from the blood?

Which of the following best explains how stems transport water to other parts of the plant?

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