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Hajra

Plan better.
Teach better.Help every student understand science.

Create age-appropriate, interactive science lessons for Grades 3–8 with lesson plans, activities, experiments, assessments and printable resources in one platform.

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General Science for Grades 3–8. Works on a phone, a tablet or a slow connection.

Evaporationheat turns water to vapourCondensationvapour cools into dropsPrecipitationrain, snow, hailCollectionrivers, lakes, the sea
  1. Day 1Engage
  2. Day 2Explore
  3. Day 3Explain
  4. Day 4Apply
  5. Day 5Assess

From a blank week to a taught week in six steps

The first three take under a minute. From the dashboard, choose Plan new week, pick a grade and a topic, and the plan is ready to review, print or assign.

  1. 1

    Select grade

    Grades 3 to 8. The grade sets the reading level, the pace and the kind of activity.

  2. 2

    Select topic

    Pick from the curriculum for that grade, or add your own.

  3. 3

    Generate weekly plan

    Five days, each with its own objective, activities, materials and assessment.

  4. 4

    Customize

    Reorder blocks, change the length, swap an experiment, add your own notes.

  5. 5

    Teach

    Present the lesson live: one activity at a time, a timer, answers hidden from students.

  6. 6

    Assess

    Quizzes mark themselves and show which ideas each student needs to revisit.

One topic, gravity, taught to two different ages

The platform never produces the same kind of lesson for Grade 3 and Grade 8. Vocabulary, sentence length, the number of new ideas, the type of activity and the way understanding is checked all follow the grade.

Grade 3, ages 8–9

Why do things fall?

Opening question
Hold up a ball. What will happen if I let go?
Key words
gravity A pull that brings things down to the ground.fall To move down when nothing holds you up.
Main activity
The teacher drops a ball and a feather. Children say what they see, then sort pictures into "falls fast" and "falls slowly".
Check for understanding
Thumbs up or down: "A ball falls up when you let go."
  • 12 wordslongest sentence
  • 2 ideasper lesson
  • 40%teacher talk
  • 10%independent work

Grade 8, ages 13–14

Gravitational force, mass and acceleration

Opening question
Why does an astronaut weigh less on the Moon while their mass stays the same?
Key words
weight The gravitational force on an object, W = mg, measured in newtons.gravitational field strength The force per kilogram at a point: about 9.8 N/kg at Earth's surface.
Main activity
Students time a falling object from several heights, plot distance against time squared, and use the gradient to estimate g.
Check for understanding
Evaluate the claim "heavier objects fall faster" using your data and the relationship F = ma.
  • 34 wordslongest sentence
  • 5 ideasper lesson
  • 25%teacher talk
  • 50%independent work
And every grade in between
GradeAgesLessonExperimentsQuizNew skills
38–940 minTeacher demonstrates5 questions, recallobserving, naming, sorting
49–1045 minGuided step by step6 questions, describeguided observation, classifying, cause and effect
510–1145 minGuided step by step8 questions, explainhypothesis, comparison, simple evidence
611–1250 minStructured, with variables8 questions, applyvariables, fair testing, tables and graphs, conclusions from evidence
712–1350 minPlanned by students10 questions, analyseindependent investigation, data analysis, scientific models
813–1460 minPlanned by students10 questions, evaluatescientific argument, model evaluation, quantitative relationships

Everything a science teacher prepares, in one place

Grade-adaptive learning
A Grade 3 lesson uses stories, pictures and sorting. A Grade 8 lesson uses data, models and argument. The rules are yours to edit.
Interactive lessons
Mind maps, matching, sorting, labelling, sequencing and virtual labs that work with a tap or a keyboard.
Teacher planning
A week planner you can drag lessons around in, copy from last term, and hand to a class.
Science experiments
Twenty classroom-safe experiments with materials, safety level, method and a results table.
Printable resources
Lesson plans, worksheets, answer keys, quizzes and vocabulary cards as clean A4 pages or PDF.
Student assessments
Diagnostic checks, knowledge checks and weekly quizzes. Students never see an answer key.
Progress tracking
Mastery by topic and by concept, with revision recommended for whatever scored low.

See a whole week: the water cycle, Grade 4

A rain picture and a puddle story on Monday, an evaporation race on Tuesday, the science on Wednesday, a water cycle in a bag on Thursday, a quiz and a labelled diagram on Friday.

Open the demo lesson
  1. Day 1: Engage

    Where does rain come from?

    Rain picture, Zara's puddle story, a class vote.

  2. Day 2: Explore

    The evaporation race

    Two dishes, sun and shade. Predict, measure, record.

  3. Day 3: Explain

    How the water cycle works

    Mind map, four key words, label the diagram.

  4. Day 4: Apply

    Build your own water cycle

    A zip bag on a sunny window becomes a model.

  5. Day 5: Assess

    Show what you know

    Weekly quiz, diagram labelling, reflection.