Every August, science teachers walk back into their classrooms carrying a mix of excitement, nerves, and a very long to-do list. It does not matter if this is your first year teaching or your thirty-first. A new school year always has a way of reminding us that we still have things to learn.
After many years in the classroom, I can tell you this with complete confidence: good science teaching is not just about knowing the content. It is also about building a safe environment and routines, preparing your lab, managing materials, planning ahead, developing relationships, and learning how to keep your enthusiasm alive even on the hard days.
These are the science teacher tips I wish every new teacher could hear before the first day of school. They are also the tips experienced teachers need to remember when August rolls around and the lab, the paperwork, the meetings, and the never-ending to-do lists begin to weigh us down.
Some of these tips are about science lab safety. Some are about classroom organization. Some are about becoming the kind of teacher students can trust. All of them will help you start the school year with more confidence and finish it with fewer regrets.
Start With a Safe Science Lab
1. Safety first. Safety always.
Nothing matters more than student safety. Before you teach the first lab, before students touch the first piece of equipment, and before anyone lights a burner or opens a chemical bottle, your students need to know your safety expectations.
Teach lab safety during the first week of school, and then keep reinforcing it all year long. Safety is not a one-day lesson. It is a routine, a mindset, and a classroom culture.
If you need a complete first-week safety resource, my Science Lab Safety Rules Unit Bundle includes safety rules, student activities, quizzes, safety contracts, and everything you need to build a strong safety foundation from the beginning of the year.
2. Inspect your lab before students arrive.
Before back-to-school begins, do a full inspection of your science lab and classroom. Open every cabinet. Check every sink. Look behind equipment. Inspect your chemical storage area. Remove anything that is broken, outdated, unsafe, or unusable.
And yes, clean everything. You never know what you'll find after your classroom has been sitting empty all summer.
If you want a more organized system for preparing your lab before students return, my Back-to-School Science Lab Setup Workbook walks you through lab organization, safety equipment checks, supply planning, repair logs, technology checks, and classroom setup before the first day of school.
You may also want to read Returning to Your Lab After Summer for a more detailed back-to-school lab preparation plan.
3. Check your safety equipment often.
Have you flushed your eyewash station? When was the last time the safety shower was tested? Is the fire extinguisher fully charged? Is the first aid kit stocked? Is the fire blanket easy to access?
These are not things we should check once and forget. Lab safety equipment needs regular attention.
4. Stay on top of repairs.
Turn in work orders for leaky faucets, stopped-up gas jets, broken outlets, wobbly stools, burned-out lights, and anything else that creates a safety concern. Then follow up.
Do not assume someone else will notice the problem. You are the person who knows your lab best.
5. Treat custodians and plant managers with respect.
Your custodians, maintenance staff, and plant managers can become some of your greatest allies. Treat them well. Show appreciation. Communicate clearly. They will save you many times during the school year.
For more lab safety ideas, visit my post on laboratory safety for science teachers. If you want students to review lab safety in a hands-on way, my Lab Safety Chat gives students 10 lab stations to practice safety rules, equipment, and classroom expectations.
Plan Ahead Before the Lab Begins
6. Never do a lab with students until you have tried it yourself.
You can never fully predict what will happen in a lab until you do it yourself. Directions that seem clear on paper may not work smoothly in real life. Supplies may be missing. Timing may be off. A procedure may need to be simplified.
If you are seeing a lab unfold for the first time while students are doing it, that is a recipe for trouble.
Before students ever begin, walk through the lab yourself. Try the procedure. Check the timing. Identify possible problems. Decide where students may need extra guidance.
If you want a simple planning tool for any investigation, my Pre-Lab Worksheet for Any Science Lab helps students think through the purpose, materials, variables, procedures, and safety concerns before they begin.
You may also want to read Taking Students to the Laboratory: 15 Questions I Ask Before Every Science Lab for more lab planning help.
7. Keep a running lab inventory all year long.
Do not wait until May to figure out what needs to be ordered for next year.
Keep a lab notebook, binder, spreadsheet, or inventory form nearby and update it throughout the year. When supplies run low, write them down immediately. When equipment breaks, record it. When you realize you need more of something, make a note right away.
By the time the end of the year arrives, your lab order will practically write itself.
My Science Teacher Planner Binder includes forms, organizers, and planning pages that can help you manage classroom information, supplies, schedules, and lab planning throughout the year.
8. Do not leave school until tomorrow is ready.
This is a hard one because teachers are exhausted at the end of the day. But if you can manage it, prepare tomorrow before you leave today.
Set up the lab. Copy the handouts. Return the phone calls. Straighten your desk. Put materials where they belong.
If you wait until morning, something will happen. The copier will break. Your principal will ask for a meeting. A student will come in with a question. The teacher next door will need to talk. The bell will ring before you are ready.
Future-you will always be grateful when today-you takes a few extra minutes to prepare.
9. Keep your classroom neat and orderly.
This sounds simple, but it matters. Student behavior is affected by the environment they walk into.
A wise teacher once told me to straighten the desks after every class period before the next class enters. I tried it, and she was right. A room that feels organized helps students settle more quickly. A room that feels chaotic invites more chaos.
That does not mean your classroom has to be perfect. Science labs get messy. But students should be able to enter the room and immediately understand that the space is ready for learning.
Know Your Content and Teach It Well
10. Study. Study. Study some more.
Never teach a lesson that you are not prepared to teach. Science is complex, and it is always changing.
Students do not expect you to know everything, but they can tell when you are unprepared. They know when you are winging it. If you stumble through the content and cannot explain what you are teaching, they will notice.
Take time to review the content before you teach it. Work the problems. Read the background information. Look for common misconceptions. Make sure you understand the why behind the lesson, not just the steps in the activity.
If you teach biology and want help seeing how a full year can be organized, you can download my free 189-page Biology Curriculum Teacher Guide. I also wrote more about it in this post: Free Biology Curriculum Teacher Guide and Implementation System.
11. Make science fun, but make it educational.
Science classes can be so much fun. We get to use interesting equipment, explore big questions, investigate living things, build models, collect data, and watch students discover things they did not understand before.
But fun is not enough by itself.
If students are making slime, building models, mixing solutions, or doing a lab investigation, they should know what science concept they are learning. A fun activity becomes powerful when students understand the purpose behind it.
12. Challenge your students.
Go as deep into the subject matter as your students can handle. There is a fine line between too easy and too hard, and neither one should be the goal.
Students are often capable of more than we think. Determine where they are, then push them to the next level. The students you teach this year will be different from the students you teach next year, so adjust as needed.
Teaching students to think like scientists takes practice. These posts may help: 5 Skills Your Science Students Need and Teaching Students to Read Science Textbooks.
13. Do not be afraid to say, “I don’t know.”
All of us, even the best prepared teachers, will be asked questions we do not know how to answer.
It is okay to say, “I don’t know.” In fact, it can be a powerful moment. Students need to see that learning does not stop when you become the teacher.
But here is the important part: come back with the answer. Look it up. Ask a colleague. Research it. Then tell your students what you found. They will appreciate that you cared enough to follow through.
Build Strong Classroom Relationships
14. Know your limitations.
Work hard. Do all you can for your students. Be prepared. Be professional. Be the teacher they need.
But also know that you cannot do everything.
Do not take on more than you can handle, and do not be afraid to say no when you need to. A burned-out teacher cannot give students their best.
15. Find a mentor.
Find an amazing teacher you trust and respect. Talk with that person often.
Someone in your building has already dealt with the problem you are facing. Someone has already figured out how to organize lab supplies, handle difficult parent conversations, manage makeup labs, pace a hard unit, or survive the week before a long break.
A good mentor can save you time, frustration, and many unnecessary mistakes.
16. They are your students, not your friends.
Build strong relationships with your students. Know their interests. Celebrate their successes. Attend a game, concert, play, or competition when you can. Let them know you care about them and want them to succeed.
But remember that you are the teacher and they are the students. A healthy boundary must be maintained.
17. Respect must be earned.
Always treat your students with respect and dignity. Be the role model for the behavior you want to see in your classroom.
Students are watching how we respond when we are frustrated, tired, rushed, or disappointed. The lessons we teach in citizenship, responsibility, kindness, and respect matter just as much as the science lessons we teach.
18. Call parents before they call you.
If you know there is a problem, make contact early. When you initiate the conversation, you have a better chance of keeping the tone calm, helpful, and solution-focused.
If the parent is calling you first, they may already be upset. A quick email or phone call before things escalate can make a big difference.
Take Care of Yourself and Keep Your Enthusiasm
19. Take home the work, but not the problems.
Teachers know that some work comes home. Papers need grading. Lessons need planning. Materials need prepping.
But try not to take home every problem and frustration from the day. If you have an issue with a student, colleague, or administrator, deal with it as professionally and quickly as you can. Do not let it follow you home and steal your evening, your weekend, or your peace of mind.
This is easier said than done, but it matters.
20. Your enthusiasm is contagious.
You have to love your subject and let students see that you love it. If you are excited about what you are teaching, your students are much more likely to be excited too.
Not every lesson has to be flashy. Not every lab has to be dramatic. But students can tell when their teacher genuinely enjoys the subject.
When you walk into class eager to explore a new concept, solve a problem, test an idea, or watch an experiment unfold, students pick up on that energy.
Final Thoughts for Science Teachers
Teaching science is demanding work. You are managing content, safety, equipment, supplies, student behavior, parent communication, grading, planning, and a room full of curious students who may or may not follow directions the first time.
But it is also some of the most rewarding work you can do.
I hope these tips help you begin the school year with confidence, build safer routines in your science lab, and remember that you do not have to figure everything out at once.
Prepare well. Keep learning. Take care of yourself. And remember... have fun teaching!
Helpful Back-to-School Science Teacher Resources
Back-to-School Science Lab Setup Workbook
Science Lab Safety Rules Unit Bundle
Science Teacher Planner Binder
If you enjoy using hands-on learning in your science classroom, you may also like this post: Lab Stations: How to Make Them Work for You.
