Spontaneous Generation

Front

What is spontaneous generation?

Back

The theory that living organisms can arise from non-living matter.

Front

Who conducted the famous experiment that disproved spontaneous generation using decaying meat?

Back

Francesco Redi.

Front

What was the main conclusion of Francesco Redi's experiment?

Back

Decaying meat does not turn into flies.

Front

What are the steps of the scientific method?

Back

1. State the problem 2. Research 3. Formulate a hypothesis 4. Test the hypothesis 5. Analyze data and draw conclusions.

Tags

NGSS.MS-PS1-2

Front

What is the fourth step of the scientific method?

Back

Test hypothesis.

Front

What did Lazzaro Spallanzani and Louis Pasteur use in their experiments to test spontaneous generation?

Back

Broth water and microbes.

Front

What was the significance of Louis Pasteur's experiment with broth?

Back

It demonstrated that microorganisms in the air were responsible for contamination, supporting the idea that life does not spontaneously generate.

Front

Why do some scientists believe that life may have originated from meteorites?

Back

Meteorites contain organic compounds, including nucleic acids and amino acids.

Tags

NGSS.HS-LS1-6

Front

What are nucleic acids?

Back

Biomolecules essential for all known forms of life, including DNA and RNA.

Front

What are amino acids?

Back

Organic compounds that serve as the building blocks of proteins.

Tags

NGSS.HS-LS1-6