Lab safety & word parts

If you don't know a direction or part of a procedure

Ask the teachers first

Any non-lab materials (ex: textbook, backpacks) should be

Off the lab benches and kept at a safe area so nobody trips

Examples of safety equipment in the lab

Fire extinguisher, fire blanket, eye wash station, safety shower

Any chemicals leftover from a lab that are NOT water should be

Disposed of properly and NOT poured down a sink

Washing hands involves

Soap and water; not just rinsing with water

Examples of protective lab wear

Safety goggles, aprons, disposable gloves

Few important rules on clothes/accessories in the lab

1) Try to avoid loose or baggy clothing

2) Remove loose jewelry

3) Close toed shoes only

Once you see an accident happen in the lab,

Tell teacher ASAP

If a chemical gets onto your skin or eyes,

Immediately flush with running water

Wafting

The proper way of smelling chemicals in the lab. You move your hand in the direction of your nose to smell, NOT sticking your nose into the beaker or bottle!

Unused chemicals in a lab must

NOT be put back into their containers, but properly disposed of

Broken glass must be placed

In a specific glass waste container, NOT the regular trash

Don't use glassware that's

Chipped, cracked, or dirty

How are heated glass or or metals handled

Since they stay hot for a long time, you leave them aside until cool and pick them up with tongs or heat-resistant gloves

Carry these lab items away from your body

Chemicals & sharp objects

How else can glassware break in a lab besides dropping it

Adding hot glassware into cold water

When unplugging something,

Hold the plug, NOT the cord

aero-

air

Lactase, sucrase, lipase are examples of

Enzymes (end in -ase)

Which of these enzymes involves fats: lactase, sucrase, lipase

Lipase (lip/o means fat)

Translate the word 'autolysis'

"To break one's self"- cells actually do this and self-destruct

Translate the word 'anaerobic'

"Lacking air"- bacteria in our gut are anaerobic

Putting an 'a' in front of the word 'biotic' means

That something is not living since 'a' means without or lacking

Translate the word chlorophyll

'Green leaf'

Word parts meaning together or with

co-, syn-, sym-

Translate the env science word symbiosis'

'Together life'- organisms that live together throughout their lives, like us and bacteria

Chlor-

greem

Word parts for in or within

en-, endo-, intra-

Word parts for single or one

hap-, uni-, mono-

Difference between exo- and endo-

Exo means out of or away from; endo means inside or within

Word parts for same

homo-. homeo-

Word parts meaning above, equal, or below

hyper (above), iso (equal), hypo (below(

As humans, we are [autotrophs/heterotrophs]

Heterotrophs (heter/o = different ; -troph = nourishment)

Word parts that mean more than one

Di (two), tri (three), poly & multi (many)

Translate the word 'morphology'

The study of how something changes

Difference between lip/o and glyc/o

Lip/o means fat, glyc/o means sugar

Opposite of prefix micro-

macr- or macro-

Difference between a molecule that is hydrophobic vs hydrophilic

"Fears" or does not like water (-phobic) ; "loves" or is attracted to water (-philic)

Word parts meaning 'sugar'

sacchar- & -ose

Fructose, glucose, maltose are examples of

sugars (end in -ose)

Translate the word 'chloroplast'

Green (chloro) mold/shape (-plast)

The study of skin

Dermatology

Translate the word 'hemolysis'

The breaking of blood

Translate the word 'homeostasis'

Same standing or place

Translate the word phototroph

'Light food'- an organism that uses light for food & energy

Organisms like plants and humans that are aerobic need this to survive

oxygen

Liposuction removes _ from the body

fat

Word parts meaning 'change'

mut-, morph

Translate the word endocytosis

Something within (endo) the cell (cyt/o)

Translate the word exoderm

Outside skin