Question

1. Observation and experimentation are important aspects of the ______ methods .
2. The study of substances is called ______.
3. A substance that is made up of one or more substances is called a ______.
4. Lighting a match is an example of a ______ ______.
5. The form of chemistry that was practised in olden days is called ______.
Please, give the correct answers​

Answer 1

Answer:

1. Observation Methods

Controlled Observations.

Naturalistic Observations.

Participant Observations.

2.Chemistry is the study of substances

3. chemical compound

4. a chemical change

5. "alchemy "

Chemistry, from the ancient Egyptian word "khēmia" meaning transmutation of earth, is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms, such as molecules, crystals, and metals.

Explanation:

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