Science worksheets
This page has 157 free printable science worksheets covering Kindergarten to Grade 8. Each one comes with an answer key, prints cleanly or saves as a PDF, and needs no login. Browse by grade below.
Kindergarten
All Kindergarten worksheets →Grade 1
All Grade 1 worksheets →Grade 2
All Grade 2 worksheets →ScienceSolar SystemParts of a PlantParts of a FlowerPlant Life CycleButterfly Life CycleFrog Life CycleWater CycleHuman BodyFive SensesSkeleton and BonesAnimal GroupsHabitatsFood ChainsWeather and SeasonsStates of MatterMagnetsDay and NightHealthy HabitsLiving vs Non-LivingPush and PullEveryday MaterialsLight and SoundHeat and TemperatureScience Inquiry SkillsScience Investigation Planner
Grade 3
All Grade 3 worksheets →Solar SystemParts of a FlowerPlant Life CycleButterfly Life CycleFrog Life CycleWater CycleHuman BodySkeleton and BonesAnimal GroupsHabitatsFood ChainsWeather and SeasonsStates of MatterSimple MachinesMagnetsDay and NightPush and PullEveryday MaterialsLight and SoundHeat and TemperatureRocks and SoilsClassifying Living ThingsScience Inquiry SkillsHow Science WorksHow Science Works (Reading)Science Investigation Planner
Grade 4
All Grade 4 worksheets →Solar SystemWater CycleHuman BodyAnimal GroupsFood ChainsStates of MatterSimple MachinesMagnetsDay and NightEveryday MaterialsHeat and TemperatureRocks and SoilsAdaptationsClassifying Living ThingsReversible and Irreversible ChangesLight, Shadows and ReflectionElectricity and EnergyScience Inquiry SkillsHow Science WorksHow Science Works (Reading)Science Investigation Planner
Grade 5
All Grade 5 worksheets →Solar SystemWater CycleFood ChainsStates of MatterSimple MachinesDay and NightRocks and SoilsAdaptationsClassifying Living ThingsReversible and Irreversible ChangesLight, Shadows and ReflectionElectricity and EnergyExtreme Weather and Earth ChangesScience Inquiry SkillsHow Science WorksHow Science Works (Reading)Science Investigation Planner
Grade 6
All Grade 6 worksheets →Grade 7
All Grade 7 worksheets →Grade 8
All Grade 8 worksheets →Cells and OrganellesOrgan SystemsPlate TectonicsThe Rock CycleEnergy Forms and TransfersElements, Compounds and MixturesPhysical and Chemical ChangeContinental Drift (Reading)Ozone and the Montreal Protocol (Reading)Discovering Cells (Reading)Variables and Fair TestsReading Results TablesMethod Steps and Equipment
Frequently asked questions
Are these science worksheets free?
Yes. Every worksheet on ChalkBee is free to view and print or save as a PDF, with no login required. Pro unlocks the printable answer key and removes the watermark.
Do the worksheets have answer keys?
The answers are computed in code from the exact questions on each sheet. The printable answer key is available with Pro.
What grades are the science worksheets for?
This page has 157 science worksheets spanning Kindergarten to Grade 8, sorted by grade.
How do I print or download them?
Open any set, then use your browser's print option to print it or to save it as a PDF. The pages are laid out to print cleanly on standard letter or A4 paper.