ATI TEAS 7: Scientific Measurements & Tools Key Concepts

0.0(0)
studied byStudied by 0 people
0.0(0)
full-widthCall with Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/27

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced
Call with Kai

No study sessions yet.

28 Terms

1
New cards

Measurement

A number plus a unit

<p>A number plus a unit</p>
2
New cards

Accuracy

How close a measurement is to the true value

<p>How close a measurement is to the true value</p>
3
New cards

Precision

How close repeated measurements are to each other

<p>How close repeated measurements are to each other</p>
4
New cards

Accuracy vs Precision

Accurate = correct; Precise = consistent

<p>Accurate = correct; Precise = consistent</p>
5
New cards

SI System

Standard metric system used in science

<p>Standard metric system used in science</p>
6
New cards

Length (SI unit)

Meter (m)

<p>Meter (m)</p>
7
New cards

Mass (SI unit)

Gram (g)

<p>Gram (g)</p>
8
New cards

Volume (SI unit)

Liter (L)

<p>Liter (L)</p>
9
New cards

Temperature (SI unit)

Degrees Celsius (°C)

<p>Degrees Celsius (°C)</p>
10
New cards

kilo-

1,000

<p>1,000</p>
11
New cards

centi-

1/100

<p>1/100</p>
12
New cards

milli-

1/1,000

<p>1/1,000</p>
13
New cards

Metric conversion tip

Move the decimal left or right

<p>Move the decimal left or right</p>
14
New cards

Tool to measure length

Ruler or meter stick

<p>Ruler or meter stick</p>
15
New cards

Tool to measure mass

Balance or scale

<p>Balance or scale</p>
16
New cards

Tool to measure liquid volume

Graduated cylinder

<p>Graduated cylinder</p>
17
New cards

Tool to measure temperature

Thermometer

<p>Thermometer</p>
18
New cards

Tool to measure time

Stopwatch

19
New cards

Tool used to view small objects

Microscope

<p>Microscope</p>
20
New cards

Tool used to transfer small liquid volumes

Pipette

<p>Pipette</p>
21
New cards

Meniscus

Curved surface of a liquid in a container

<p>Curved surface of a liquid in a container</p>
22
New cards

How to read a meniscus

Read at the bottom of the curve

<p>Read at the bottom of the curve</p>
23
New cards

Independent variable

Variable that is changed (x-axis)

<p>Variable that is changed (x-axis)</p>
24
New cards

Dependent variable

Variable that is measured (y-axis)

<p>Variable that is measured (y-axis)</p>
25
New cards

Low microscope power

Larger field of view

26
New cards

High microscope power

Smaller field of view, more detail

<p>Smaller field of view, more detail</p>
27
New cards

Common measurement mistake

Reading the top of the meniscus

28
New cards

Mass vs Weight

Mass = amount of matter; Weight = force of gravity

<p>Mass = amount of matter; Weight = force of gravity</p>