Phys Sci Ch 1 Question Preview (ID: 15787)

a) a clock with only one hand to measure the hour

b) a clock with only one hand to measure the minutes

c) a clock with a hand to measure the hour and a hand to measure minutes

d) with a hands for hour, for minutes, and for seconds

a) 55 s

b) 55.2 s

c) 55.25 s

d) 55.254 s

a) 600 meters

b) 6/10 of a millimeter

c) 60 millimeters

d) 600 millimeters

a) 1,660,000 watts

b) 1,660,000 kw

c) 16,600,000 watts

d) 166,000 kw

a) 69x10^-5

b) 6.9x10^4

c) 0.69x10^-3

d) 6.9x10^-4

a) 1000m/1 km

b) 1 km/1000 m

c) 100 m/1 km

d) 1 km/100 m

a) tying back long hair and loose clothing

b) eating or drinking from lab glassware

c) touching hot objects with your bare hands

d) testing an odor by directly inhaling the vapor

a) never work with chemicals

b) always use unbreakable glassware

c) Always follow your teacher's instructions and textbook directions exactly

d) never do expeirments that involve flames or hot objects

a) They prove scientific theories

b) They help visualize things that are very complex, very large, or very small

c) They make it harder to understand things

d) They never change

a) a theory

b) a hypothesis

c) a model

d) a scientific law

a) a scientific law

b) a fact

c) a scientific theory

d) a hypothesis

a) scientific theories become scientific laws

b) they are never proven

c) they become hypotheses

d) they summarize patterns found in nature.

a) The scientist gives up and starts an investigation on a new topic

b) The data must be incorrect and are thrown out

c) The hypothesis is revised

d) The data are altered so that they suppot the original hypothesis

a) forces

b) atoms

c) magnetic fields

d) kinetic and potential energy

a) drawing conclusions

b) making observations

c) analyzing data

d) revising a hypothesis

a) The universe is very old and very large.

b) Forces cause changes in motion

c) Energy can be transferred from one form to another but never destroyed

d) One of the main branches of natural science is biology.

a) It involves the study of Earth's rocks

b) It involves the study of systems that include living organisms

c) It involves the study of the composition of matter

d) It does not overlap with life science

a) life science

b) earth and space science

c) physical science

d) social science

a) technology is a branch of natural science

b) science is a branch of technology

c) advances in science may lead to advances in technology and vice versa

d) science and technology are not related

a) science

b) technology

c) measurement

d) curiosity