Chapter 1 Vocab

Question 1

Matter

Answer 1

is “stuff” that has mass and takes up space

Question 2

Inquiry

Answer 2

The process of inquiry starts with asking questions, and proceeds by comparing possible answers to what is known and what is newly discovered

Question 3

Hypothesis

Answer 3

a tentative explanation or conclusion about the physical world

Question 4

Theory

Answer 4

A comprehensive and well tested explanation of a natural or physical phenomenon

Question 5

Pseudoscience

Answer 5

describes ideas that are often presented as scientific but are not supported by scientific evidence

Question 6

scientific method

Answer 6

the formal, logical thought process of science

Question 7

experiment

Answer 7

a controlled situation created specifically to collect scientific evidence by observing what happens

Question 8

variable

Answer 8

something that can be measured or changed in an experiment

Question 9

experimental variable

Answer 9

the variable that is changed

Question 10

control variable

Answer 10

variables that are unchanged or kept constant during an experiment

Question 11

measurment

Answer 11

is a specific kind of information that describes a physical quantity with both a number and a unit

Question 12

mass

Answer 12

measure how much matter is in an object

Question 13

kilogram

Answer 13

mass uses the unit kilogram (kg) and gram (g)

Question 14

weight

Answer 14

the force of gravity acting on mass

Question 15

density

Answer 15

how much mass is in a given volume of a material

Question 16

energy

Answer 16

measures the capacity for change

Question 17

joule

Answer 17

the fundamental unit of energy