World of Chem 1

Question 1

Chemistry

Answer 1

The science that studies the behavior of matter and changes it undergoes

Question 2

Science

Answer 2

Study of physical universe and all of its things. And wanting to understand it

Question 3

Matter

Answer 3

Is anything that has mass or volume

Question 4

Balance

Answer 4

Weighs stuff. Mass can be measured by it

Question 5

Weigh

Answer 5

Measure of amount of mass and earth’s gravitational pull

Question 6

Weight

Answer 6

a body’s relative mass or the quantity of matter contained by it
What they use in real life

Question 7

Newton

Answer 7

Used in science to measure weight

Question 8

Atoms

Answer 8

The smallest part of an element that retains all properties of the element

Question 9

Pollutant

Answer 9

Any material that is harmful in air, water or soil

Question 10

Aquatic

Answer 10

Pertaining to water

Question 11

Toxin

Answer 11

Type of poison

Question 12

Biodiesel

Answer 12

Biofuel, fuel from a living organisms

Question 13

Chemical

Answer 13

Any substance ( element or compound ) that has a definite composition ex ( if you take a 2 portions of the same thing it will always have the same portion of the material its made of)

Question 14

Sunscreen

Answer 14

Mixture of chemicals that absorb uv radiation

Question 15

Ozone hole

Answer 15

Thinning of ozone layer

Question 16

Radiation

Answer 16

Rays and particles that are emitted by radioactive materials

Question 17

Collaboration

Answer 17

To work with others

Question 18

Scientific method

Answer 18

Way of learning that focuses on observation and experimentation

Question 19

Observation

Answer 19

Act of gathering info, act of taking notice

Question 20

Qualitative data

Answer 20

Info that describes an observation such as color etc

Question 21

Quantitative data

Answer 21

Info that uses numbers and units, it’s numerical

Question 22

Microscopic

Answer 22

Things that are so small that can’t be seen without a microscope

Question 23

Macroscopic

Answer 23

Can be seen with the naked eye

Question 24

Falsifiable

Answer 24

Somebody can test your hypothesis and prove it to BE WRONG

Question 25

Hypothesis

Answer 25

Tentative interpretation of an explanation for what has been observed

Question 26

Experiment

Answer 26

Set of controlled observations that try to validate or invalidate a hypothesis

Question 27

Variable

Answer 27

A quantity that can be more than one value, always changing

Question 28

Independent variable

Answer 28

A variable that has changed

Question 29

Dependent variable

Answer 29

The variable affected by the change ex plant growing from the amount of water that was given

Question 30

Control

Answer 30

A standard for comparison, example no plants having fertilizer

Question 31

Conclusion

Answer 31

A judgment based on the data obtained in the experiment

Question 32

Model

Answer 32

A visual, verbal, and/or mathematical explainstion of an experiment

Question 33

Theory

Answer 33

An explanation or hypothesis that has been supported by many experiments

Question 34

Scientific law

Answer 34

a statement that describes an observable occurrence in nature that appears to always be true.

Question 35

Pure research

Answer 35

Is done to gain knowledge for the sake of knowledge itself

Question 36

Applied research

Answer 36

Research undertaken to solve a scientific problem

Question 37

Technology

Answer 37

Practical use of scientific information by which society gives its members the things they want and need

Question 38

Segway

Answer 38

2-wheeled powered vehicle. Used by mall cop