Nature of Science

Front

Why is it important for scientists to frequently repeat the experiments of other scientists?

Back

Replication of experiments helps to confirm and verify results.

Front

Difference between repetition and replication in scientific experiments.

Back

Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.

Front

What step does every scientific experiment begin with?

Back

question/problem

Front

A series of steps used by scientists to solve a problem or answer a question.

Back

scientific method

Front

How does Newton’s third law of motion differ from a theory?

Back

A theory explains a set of well tested observations; a law describes a pattern in nature.

Front

In which statement does the word theory mean scientific theory? Options: In theory, the experiment will work as planned. , She has a theory about why the storm arrived later than predicted. , The atomic theory explains that material objects are made up of atoms. , The doctor’s prescription for curing a cold is based on his best theory or guess. 

Back

The atomic theory explains that material objects are made up of atoms.

Front

Why do scientists use the scientific method?

Back

To make sure their results are valid and can be performed by other scientists.

Front

All matter is made of _________.

Back

atoms

Front

What is at the center of every atom?

Back

A nucleus

Front

What does the nucleus of an atom contain?

Back

Protons and neutrons