Physical Science Chapter 1 Intro to Science

Which of the following is not a branch of biology?

• Ecology

• Botany

• Geology

• Medicine

Technology can best be defines as

• New inventions

• Science that uses computers

• Applied science

• The use of lenses and microscopes

Tags

NGSS.HS-PS4-5

Pure science is best defined as the

• Use of science to solve human problems

• Study of the makeup of living things

• Application of scientific knowledge

• Continuing search for new knowledge

Tags

NGSS.HS-LS3-1

Scientific theories can be changed or replaced when

• New discoveries are made

• New technology is invented

• Scientists make models of events or objects

• Scientists decide to work on different problems

Tags

NGSS.HS-PS4-3

The first step in the scientific method is usually

• Forming a hypothesis

• Collecting data

• Making an observation

• Testing a hypothesis

What does it mean to say that "no experiment is a failure"?

• All experiments yield the desired results

• All experiments give scientists work to do

• All experiments involve manipulating variables

• All experiments are observations of real events

which instrument has been used the detect the oldest, most distant objects in the solar system?

• light telescope

• spectroscope

• particle accelerator

• radio telescope

Tags

NGSS.HS-PS4-5

which questions cannot be answered by and experiment?

• does penicillin kill Salmonella bacteria?

• is rabies caused by a virus?

• did a comet impact kill the dinosaurs?

• can radiation cause cancer?

the force with gravity pulls on quantity of matter is referred to as

• mass

• length

• volume

• weight

Tags

NGSS.HS-PS2-4

a precise measurement is one that

• contains the correct number of significant figures.

• contains at least three significant figures.

• is close to the truevalue

• is as exact as possible