02. Introduction to Physical Science

Science has the general purpose of trying to gain ___ about the world around us.

• hypothesis

• energy

• experiments

• knowledge

The two major branches of physical science are:

• physics and biology

• geology and chemistry

• biology and chemistry

• physics and chemistry

The branch of science that studies living things is

• chemistry

• biology

• physics

• Earth science

Tags

NGSS.MS-LS1-4

NGSS.MS-LS1-5

Applied science provides

• an explanation

• a benefit

• an answer

• knowledge

What do scientists who do pure science do?

• They look for ways to benefit society.

• They develop new uses for scientific knowledge.

• They do experiments to find out about the world.

• They improve existing technology.

A scientific law is

• the same as a hypothesis

• a description of a natural fact

• an explanation of a scientific observation

• the conclusion of a scientific experiment

When a hypothesis provides an explanation and has been proven, it becomes

• an experiment

• a law

• a theory

• a conclusion

The speed of light is approximately 3 x 10 ⁸ m/s. How would this be written in conventional notation?

• 300,000 m/s

• 3,000,000 m/s

• 30,000,000 m/s

• 300,000,000 m/s

Science measurements are made using the __ system.

• Spanish

• Kelvin

• English

• Metric

A test of a hypothesis is

• an observation

• an experiment

• a conclusion

• a scientific method