Dvojjazyčné příručky angličtiny · od A1 po maturitu
Star-Spangled EnglishStar-Spangled Englishm46 · 4-01 Maturita Vocabulary
Chemistry, Laboratory Work and Food Production. Part 1: Laboratory and safety.
a laboratory
a lab coat
safety glasses
gloves
a test tube
a beaker
a chemical
a hazard symbol
to measure
to mix
to spill
an emergency shower
to follow instructions
to handle
an element
an atom
evaporate
condense
shelf life
an allergen
Useful phrases.
Always wear a lab coat, gloves, and safety glasses in the laboratory.
Read the label before you open a chemical container.
If you spill a chemical, tell the teacher or supervisor immediately.
Chemistry, Laboratory Work and Food Production. Part 2: Substances and reactions.
a substance
a mixture
a solid
a liquid
a gas
to change state
an acid
an alkaline substance
a reaction
to react
to heat
to dissolve
a solution
a molecule
a compound
freeze
melt
fermentation
yeast
Useful phrases.
Water changes from a liquid to a gas when it is heated.
Salt dissolves in water and makes a solution.
An acid can react with an alkaline substance.
Chemistry, Laboratory Work and Food Production. Part 3: Measurement and analysis.
a sample
a scale
scales
a thermometer
volume
mass
a pH meter
a microscope
a result
accurate
to record
data
to compare
a control sample
a formula
a flask
neutral
an indicator
freezing
canning
Useful phrases.
First, weigh the sample and write down its mass.
The pH meter shows whether a liquid is acidic or alkaline.
We compare the result with a control sample.
Chemistry, Laboratory Work and Food Production. Part 4: Food production and preservation.
a raw material
an ingredient
food processing
a production line
to pasteurize
pasteurise
preservation
a preservative
an additive
packaging
a label
an expiration date
use-by date
storage conditions
a pipette
a burner
a base
oxygen
dairy processing
bakery production
Useful phrases.
The milk is pasteurized to make it safer for customers.
Food labels show ingredients and storage conditions.
Packaging protects food during transport and storage.
Chemistry, Laboratory Work and Food Production. Part 5: Quality hygiene and careers.
quality control
hygiene
contamination
bacteria
a batch
to trace
HACCP
a quality standard
an inspector
a lab technician
a production supervisor
to meet a standard
customer safety
to prevent
a funnel
a filter
hydrogen
carbon
meat processing
best before
Useful phrases.
Quality control checks every batch before it leaves the factory.
Good hygiene helps prevent contamination by bacteria.
A lab technician can test food samples and record the results.