Laboratory Work
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EN: Use 'Welcome to' followed by a place to greet someone arriving at a specific location.
Welcome to our home.
EN: In academic and professional settings, it is common to use a person's first name (Hana) after a greeting to build rapport, while students often address professors by their title and last name (Prof. James).
EN: Use 'I am + adjective' to describe how you feel right now.
I am happy!
EN: In academic settings, it is common and respectful to address instructors by their title (Prof. or Dr.) followed by their last name.
EN: Use 'That is + adjective' to react to good news or a positive situation.
That is great news!
EN: In academic settings, professors often use encouraging language like 'wonderful' or 'excellent' to build students' confidence during their first practical tasks.
EN: The past tense of 'read' is spelled the same but pronounced like the color 'red'. It is used for actions that happened at a specific time in the past, like 'last night'.
I read that book last week.
EN: In academic and professional settings, showing that you have done your 'homework' or background reading before a meeting or experiment is highly valued as it shows respect and preparedness.
EN: Use 'need to' followed by a base verb to express a necessity or something that is important to do.
We need to buy some milk.
EN: In Western laboratory and industrial settings, a 'safety briefing' is a standard and essential procedure before any work begins, reflecting a strong culture of workplace safety.
EN: Use 'should' to ask for advice or information about what is necessary or correct to do.
What should I wear to the party?
EN: In a learning or professional environment, asking 'What should I know?' shows that you are proactive and care about following rules or doing things correctly.
EN: Use 'Always' at the beginning of a sentence to give a strong command or important rule that must be followed every time.
Always wash your hands before eating.
EN: In Western science labs, safety protocols are strictly enforced. Using 'Always' emphasizes that there are no exceptions to this rule for anyone's protection.
EN: The word 'pair' is used for items that consist of two identical parts joined together, such as glasses, shoes, or scissors.
I need a new pair of shoes.
EN: In science labs, bringing your own safety gear (like glasses) shows that you are well-prepared and take safety protocols seriously.
EN: Use 'Never' at the beginning of a sentence to give a strong command or warning about something you should not do.
Never open the door to strangers.
EN: In Western laboratory or professional settings, asking for permission before handling expensive or dangerous tools is a sign of respect and safety awareness.
EN: Use 'will' followed by the base form of a verb to talk about a promise or a decision made at the moment of speaking.
I will call you later.
EN: 'Got it' is a common informal way to say 'I understand.' In a professional or academic setting like a lab, it shows you are ready to follow instructions.
EN: Use 'let me + verb' to offer help or to tell someone what you are about to do.
Let me help you with your bags.
EN: In a classroom or lab setting, 'let me' is a polite way for a teacher or professor to transition to a new topic or instruction.
EN: Use 'will' to talk about future plans or actions that are going to happen soon.
What will we eat for dinner?
EN: In a learning or professional environment, using 'Great' or 'Wonderful' shows enthusiasm and a positive attitude toward the task.
EN: Use 'will' followed by a base verb to talk about future plans or actions that are about to happen.
I will call you later.
EN: In a lab setting, instructions are often given using 'We will' to show collaboration between the professor and the student.
EN: Use 'Do' at the beginning of a sentence to ask a question in the simple present tense when the subject is 'I', 'you', 'we', or 'they'.
Do you have a pen?
EN: In academic and scientific settings, starting with a 'hypothesis' is a standard part of the Scientific Method. Asking this shows that the student is following logical procedures.
EN: Use 'will' followed by a base verb to talk about things that happen in the future or to make a prediction.
The weather will be sunny tomorrow.
EN: In scientific contexts, a 'hypothesis' is a formal prediction. Using 'will' shows the expectation of a specific outcome in an experiment.
EN: Use 'What + noun' to ask for specific information about a category of things.
What food do you like?
EN: In English, 'cool' is a very common informal way to say something is good, interesting, or impressive.
EN: Use 'and' to connect two or more items in a list. When listing items, we usually put 'and' before the last item.
I have a pen and a book.
EN: In a lab setting, precision is key. Using specific numbers like 'two' and 'one' is important for following experimental protocols correctly.
EN: Imperative sentences are used to give commands or instructions. Starting with 'Please' makes the request more polite.
Please open the window.
EN: In a laboratory setting, instructions are often given using the imperative form to ensure clarity and safety, even between a professor and a student.
EN: Use 'will' to talk about a decision you just made or a promise to do something in the future.
I will help you with your homework.
EN: In a professional or educational setting like a lab, using 'Okay' followed by a statement of action shows that you have understood the instructions and are ready to comply carefully.
EN: Imperative sentences are used to give instructions or orders. They start with a verb and do not need a subject (like 'you').
Open the window.
EN: In a lab or classroom setting, teachers often use 'Very good' or 'Excellent' to encourage students before moving to the next step of an instruction.
EN: Present Continuous Tense (be + verb-ing) is used to describe an action or change happening right now.
The water is boiling.
EN: In English-speaking science classrooms, students are encouraged to express excitement and curiosity during hands-on experiments using phrases like 'Oh wow!'
EN: When the subject is singular (The result), we add an 's' to the verb (matches) in the present tense.
The key opens the door.
EN: In academic and scientific settings, 'Excellent' is a common way for professors to encourage students when they achieve a correct or expected result.
EN: Use 'better than' to compare two things when one is of higher quality or more enjoyable.
Eating fresh fruit is better than eating candy.
EN: In English-speaking learning environments, students are encouraged to express enthusiasm for hands-on learning (like experiments) compared to passive learning (like watching videos).
EN: Use 'please' followed by a base verb to make a polite request or command.
Please open the window.
EN: In academic and scientific settings, 'please' is commonly used by professors to give instructions to students, maintaining a professional yet respectful tone.
EN: Use 'Should I...?' to ask for advice or to check if something is necessary.
Should I bring an umbrella?
EN: In academic and scientific settings, 'hypothesis' is a common term. Asking for clarification on what to record shows a student's diligence and attention to the scientific method.
EN: Imperative sentences start with a verb to give instructions or orders. The subject 'you' is understood and omitted.
Open the door and look inside.
EN: In a lab setting, 'hypothesis' and 'result' are standard terms used in the scientific method to encourage structured thinking.
EN: Use 'will' to talk about a decision you just made or a promise to do something immediately.
I will open the door for you.
EN: In academic settings, it is respectful to address professors using 'Prof.' or 'Dr.' followed by their last name, rather than just their first name.
EN: Use 'did' + 'well' to praise someone's performance or actions in the past.
He did very well on the test.
EN: In English-speaking academic or professional settings, it is common for professors or supervisors to give direct positive feedback to encourage students.
EN: Use 'Can we...?' to ask for permission or to make a suggestion for a future activity.
Can we watch a movie tonight?
EN: In a learning environment, asking 'Can we...?' is a polite way for a student to show enthusiasm and interest in learning more from a teacher or professor.
EN: Use 'See you' followed by a time expression (like 'later', 'tomorrow', or 'next Tuesday') to say goodbye when you expect to meet the person again.
See you tomorrow morning!
EN: In English-speaking cultures, 'See you next...' is a common way to end a conversation when a recurring appointment or class is scheduled. It reinforces the commitment to the next meeting.
Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
To combine two or more substances so that they become one.
Strong glasses worn to protect the eyes from dust, chemicals, or metal.
When the results of an experiment are the same as what was predicted.
To be consistent with or correspond to a predicted value or statement.
To undergo a chemical or physical change into a different state or color.