Question

Indicate whether each of the following statements about Joseph Priestley’s experiment is an observation or an inference.
The candle stayed lit longer because the plant gave off oxygen.
The candle went out when it was placed in a closed jar.
The candle stayed lit longer in closed jar when a plant was present.

Answer 1

Answer:

Inference  — The candle stayed lit longer because the plant gave off oxygen.

Observation — The candle went out when it was placed in a closed jar.

Observation — The candle stayed lit longer in closed jar when a plant was present.

Explanation:

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Answer 2

Answer:

1) Inf.

2) Observation

3) Observation