All elements are made up of very tiny particles called

A student finds an interesting substances in a jar in the garage. He uses the internet to see if he can find out what it is, based on his observations of the unknown substance. How is the student using the scientific method?

Atoms of 2 or more elements can combine to form what?

Which of the following is an example of a chemical property of water? It

Is the following a mixture or a compound? Sand

The scientific discovery of the chemical and physical properties of atoms took place over several centuries. Why was it important for scientists for find out about the properties?

A student puts out fire on the stove by dumping baking soda on the flame. How has the student used scientific knowledge in his daily life?

Which of the following is an example of a physical property of hydrogen? It

Freezing point and melting point are examples of

Which of the following is true of chemical properties? They

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