TBB8_23-24

Front

What is the difference between a theory and a law in science?

Back

A theory explains a natural event, while a law describes it.

Front

In an experiment on plant growth, what is the dependent variable?

Back

Plant growth.

Front

What type of organism is algae?

Back

Algae is an autotroph.

Front

Which organelle is responsible for photosynthesis?

Back

Chloroplast.

Front

What is an organism that cannot make its own food called?

Back

Heterotroph.

Front

What is a theory in scientific terms?

Back

A theory is a well-substantiated explanation of an aspect of the natural world.

Front

What is a scientific law?

Back

A scientific law is a statement based on repeated experimental observations that describes some aspects of the universe.

Front

What is the role of chloroplasts in plants?

Back

Chloroplasts are responsible for photosynthesis, converting light energy into chemical energy.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs can produce their own food, while heterotrophs cannot.

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or controlled in a scientific experiment.