Nature of Science

Question 1

Chemicals that are flammable should not be around this

Answer 1

fire/flames

Question 2

the first thing to do if something goes wrong in the lab

Answer 2

tell the teacher

Question 3

beakers, pipettes, and graduated cylinders all measure this

Answer 3

volume

Question 4

instrument used to measure mass

Answer 4

balance

Question 5

type of graph that shows percentages

Answer 5

pie graph/chart

Question 6

air bubbles on a slide can be removed by

Answer 6

gently tapping coverslip

Question 7

disadvantage of light microscopes

Answer 7

cannot view tiny cell parts, molecules

Question 8

disadvantage of electron microscope

Answer 8

cannot view living things

Question 9

Which gives a wider field of view: low or high power?

Answer 9

low

Question 10

adjusts the amount of light in a microscope

Answer 10

diaphram

Question 11

the total magnification for a 10X ocular and 40X objective

Answer 11

400X

Question 12

the manipulated variable

Answer 12

independent variable

Question 13

the responding variable

Answer 13

dependent variable

Question 14

this variable is plotted on the X-axis (horizontal axis)

Answer 14

independent/ manipulated variable

Question 15

this variable is plotted on the Y-axis (vertical axis)

Answer 15

dependent/ responding variable

Question 16

factor that is kept the same for all groups in an experiment

Answer 16

constant, controlled variable

Question 17

an inactive substance used as a control

Answer 17

placebo

Question 18

a testable, possible explanation for a set of observations

Answer 18

hypothesis

Question 19

a well-tested explanation that unifies a broad range of observations and experimentation

Answer 19

theory