Scientific Theory

Which of these explain how a natural phenomenon works or happens?

• theory

• law

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

NGSS.HS-LS4-2

NGSS.HS-PS1-2

NGSS.HS-PS2-1

Posing a question is the first part of_____________Inquiry.

• Deciding

• Balancing

• scientific

• hypothesis

Tags

NGSS.MS-LS1-5

When you create a Hypothesis you are

• Testing a theory

• Making a prediction

• Making an prediction so you can test your theory

Tags

NGSS.MS-PS1-2

If you are basing your reasoning on facts and science you are using________reasoning.

• subjective

• objective

• analytical

Tags

NGSS.HS-LS4-1

In order to test a previous claim scientist will often ___________an experiment.

• delete

• change

• replicate

Tags

NGSS.HS-PS1-3

Which incorrect idea in Bohr’s understanding of the atom was replaced by later theories?

• Atoms cannot be divided.

• An atom is mostly empty space.

• In an atom, electrons orbit the nucleus like planets orbit the sun.

• An atom includes electrons embedded in a sphere of positive charge.

Ernest Rutherford discovered that atoms were mostly _________________. 

• negatively charged

• positively charged

• electrons

• empty space. 

A scientific theory provides and explanation for how or why an event occurred.

• True

• False

Check all the statements that apply to a scientific theory.

• States that an event will occur

• A repeatable pattern in nature

• Can be rejected or modified

• Based on repeated observations

• Explains how or why an event occurred

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

Scientific theories and scientific laws can both be rejected or modified.

• True

• False

Tags

NGSS.HS-PS4-3