Biology 1 Ch 1-3 1st Sem. test

Front

What is a Control Group?

Back

A group in an experiment that is kept under the same conditions as the experimental group, except for the independent variable being tested.

Front

What property of water molecules allows hydrogen bonds to form?

Back

The polarity of the molecule, which involves a slightly negative oxygen atom and slightly positive hydrogen atoms.

Front

Which level of a pyramid of energy contains organisms that perform photosynthesis?

Back

Level D, which typically represents producers like plants.

Front

What is an inference?

Back

A logical interpretation of an observation.

Front

What does science involve?

Back

Collecting and organizing data about the natural world.

Front

What is an Experimental Group?

Back

The group in an experiment that receives the treatment or condition being tested.

Front

Define Constants in an experiment.

Back

Factors that remain the same throughout an experiment to ensure that the test results are valid.

Front

What is a hypothesis?

Back

A proposed explanation for a phenomenon, which can be tested through experimentation.

Front

What is the difference between a scientific theory and a hypothesis?

Back

A scientific theory is a well-substantiated explanation of an aspect of the natural world, while a hypothesis is a testable prediction.

Front

What is the significance of the scientific method?

Back

It provides a systematic approach for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.