Science Test Study - 9/26/2022

Digital Balance Function:

Used to measure mass (of different objects, etc)

Safety Goggles Function:

Used to protect your eyes (from different chemicals, etc)

Graduated Cylinder Function:

Used for measuring precise volume of substances (etc).

Forceps Function:

Used for picking up and holding small objects

Gloves Function:

Used for protecting hands (from different chemicals, etc).

Eye Wash Station Function:

To wash chemicals out of your eyes when they're there (or anything harmful out of your eyes, etc).

Eye Wash Station Location:

By lab sinks. Also in between lab sink and cabinet.

Safety Shower Function:

To wash harmful things off your skin/body.

Safety Shower Location:

In Mr. Aerts room

Fire Blanket Location:

Mr. Aerts room.

Fire Blanket Function:

To extinguish fires (in the lab, etc)

What question do you ask yourself when finding the independent variable?

What is changing in an experiment?

What question do you ask yourself when finding the dependent variable?

What is being measured in the experiment?

What are controlled variables?

Controlled variables are things or factors that always stay the same in an experiment.

The more time people spend using social media, the less books they read - independent variable

the time people spend using social media.

The more time people spend using social media, the less books they read - dependent variable

the amount of books that are being read.

The more time people spend using social media, the less books they read - controlled variable

the same # of pages in the books (around the same), skill level of reader (etc).

Drinking energy drinks makes people more aggressive - independent variable

the fact of drinking energy drinks (or not, etc).

Drinking energy drinks makes people more aggressive - dependent variable

aggressiveness of people drinking energy drinks (etc).

Drinking energy drinks makes people more aggressive - controlled variable

same portion of energy in drinks, the same group of people (you can't do this experiment with a kid and a adult, etc).

Eating breakfast in the morning increases the ability to learn in school - independent variable

whether you eat breakfast in the morning or not.

Eating breakfast in the morning increases the ability to learn in school - dependent variable

ability to learn in school

Eating breakfast in the morning increases the ability to learn in school - controlled variable

same time breakfast is eaten, what is being learned (etc).

Are students who are involved in school sports more likely to have higher grade point averages? - independent variable

whether a student/students are involved in sports (etc).

Are students who are involved in school sports more likely to have higher grade point averages? - dependent variable

grade point averages (if they're higher or not, etc).

Are students who are involved in school sports more likely to have higher grade point averages? - controlled variable

same grade in school (etc).

Are fishermen who use live bait more likely to catch fish than those who use artificial bait? - independent variable

type of bait (live or artificial)

Are fishermen who use live bait more likely to catch fish than those who use artificial bait? - dependent variable

if live bait is more likely to catch fish than artificial bait (etc).

Are fishermen who use live bait more likely to catch fish than those who use artificial bait? - controlled variable

same type of fish, same lake/ocean (etc).

Length definition:

distance between 2 points

Length SI Units:

meter (m); long distance kilometers (km)

Length Equipment Used:

meter stick, ruler, etc.

Volume definition:

Amount of space occupied by an object

Volume SI Units:

Liters (l); milliliters (mL)

Volume Equipment Used:

graduated cylinder, beaker, etc.

Mass definition:

amount of matter in an object

Mass SI Units:

Grams (g); large mass = Kilograms (kg)

Mass Equipment Used:

electronic digital balance

Time Definition:

a measured period in which an action persists.

Time SI Units:

seconds (s)

Time Equipment Used:

stopwatch, timer, etc

temperature definition:

measurement of hotness and coldness in an object/in something (etc).

Temperature SI units:

Kelvin (K)

Temperature Equipment Used:

Thermometer

What piece of equipment would best be used to measure volume accurately?

Graduated Cylinder because it's precise measurement (for volume, etc).

Claim definition

an answer to a question

Evidence definition

data collected in a lab or research

Reasoning definition

a logical connection between the evidence and the claim (using scientific rules or definition, etc).

sultan - s

scale

sultan - u

units

sultan - l

labels

sultan - t

title

sultan - a

accuracy

sultan - n

neatness

Bar graph shows....

comparison

Line graph shows....

changes over short and long periods of time

Controlled variable also known as ---

constant/constants