Science Demonstrations

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categories
demonstrations
3d_magnetic_field
12v_car_battery_dissection
ac_vs_dc_with_a_bicolor_led
acceleration_due_to_gravity_with_a_ticker_timer
acetylene_from_calcium_carbide
acid_base_calorimetry
acid_in_the_eye
action_of_salivary_amylase_on_starch
aerobic_respiration_in_plants
aerobic_vs_anaerobic_yeast_respiration
afterimage_illusion
agar_cubes_diffusion
air_cannon_smoke_rings
air_pressure_breaks_ruler
air_track_demonstrations
alarm_clock_in_vacuum
alka_seltzer_balloon_inflation_race
alkaline_battery_dissection
allotropes_of_sulfur
aluminum_and_copper_chloride_redox_reaction
ammonia_and_hydrogen_chloride_diffusion
ammonia_fountain
ammonium_dichromate_volcano
amphoteric_aluminium
angle_of_repose
angle_of_sunlight_and_energy_distribution
annealing_and_quenching_bobby_pins
archimedes_principle
asch_conformity_experiment
asexual_propagation_in_plants
asexual_reproduction_of_onion
atomic_spectra_with_diffraction_grating
baking_soda_and_vinegar_volcano
baking_soda_vinegar_balloon
balance_6_nails_on_1
balancing_a_hammer_with_a_ruler
ball_and_ring_expansion
ballistic_car
balloon_bed_of_nails
balloon_expanding_universe
balloon_hovercraft
balloon_powered_car
balloon_rocket
balloon_syringe_boyles_law
balloon_volume_temperature
barber_pole_effect
bell_jar_breathing_model
bernoullis_principle_blowing_bag
bernoullis_toilet_paper
bicycle_gears
bicycle_wheel_gyroscope
big_dry_ice_bubble
bimetallic_strip_thermostat
bird_beak_adaptations_game
bite_mark_analysis
biuret_test_for_protein
black_light_fluorescence
black_vs_silver_can_cooling
black_vs_white_can_heating
blind_spot
block_and_tackle_broomsticks
blood_flow_and_artery_constriction
blood_model_in_a_bottle
blood_spatter_patterns
blowing_balloon_in_flask
blue_bottle_experiment
boiling_cold
boiling_water_at_room_temperature
boiling_water_in_a_vacuum_chamber
boiling_water_with_ice
borax_crystal_snowflakes
bottle_rocket
bread_model_of_ground_pollution
breaking_glass_with_sound
brine_shrimp_hatching_and_growth
brownian_motion_in_a_smoke_cell
bubbling_lava_lamp
bubbling_plants_quantifying_photosynthesis
bubbling_slime
buchner_filtration
build_a_cell
build_a_model_lung
build_a_phylogenetic_tree
bullroarer_from_string_and_ruler
bunsen_burner_operation
bunsen_burner_soot
buoyancy_and_floating_cups
burning_magnesium_ribbon
burning_paper_with_a_convex_lens
burning_paper_with_colliding_steel_balls
burning_paper_with_ice
burning_steel_wool_increase_mass
burning_steel_wool_with_a_9_volt_battery
burning_sulfur_to_simulate_acid_rain
butane_molecular_mass
can_ripper
candle_and_rising_water
candy_bar_plate_techtonics
candy_camouflage
candy_chromatography
candy_classification
cannon_fire_reaction
carbon_dioxide_equilibrium_in_water
carbon_dioxide_extinguisher
carbon_dioxide_greenhouse_jar
carbon_dioxide_in_breath
carbon_sugar_snake
carbonated_drink_shake_up
cartesian_diver
catch_a_falling_dollar
celery_capillary_action
center_of_gravity_balance_test
center_of_gravity
centripetal_force_marble
centripetal_force_with_bucket
cerebrospinal_fluid_egg_experiment
change_blindness
changing_albedo
chemical_chameleon
chemical_reactions_in_red_white_and_blue
chemical_sunset
chemical_traffic_light
chemical_weathering
chicken_wing_dissection
chladni_plates
chromate_dichromate_equilibrium
class_member_classification
classification_card_sorting
classification_with_finger_puppets
cleaning_floor_with_liquid_nitrogen
cloud_chamber
cloud_in_a_bottle
cobalt_chloride_equilibrium
coin_toss_genetics
collect_and_observe_fingerprints
color_changing_flowers
color_changing_walking_water
color_changing_water
color_mixing_and_shadows
color_swirling_milk
color_temperature_stars
colour_subtraction_with_filters
comparing_evaporation_rates
compost_in_a_bottle
compressing_solids_liquids_gases
conduction_of_different_materials
conservation_of_mass_baking_soda_and_vinegar
convection_among_friends
convex_lens_mirror_imaging
cookie_mining
cooking_an_egg_without_heat
cooling_rate_and_crystal_size
copper_chloride_equilibrium
copper_complex_equilibrium
copper_electroplating
copper_extraction_using_carbon
copper_oxide_and_zinc_displacement_reaction
copper_plating_iron
copper_sulfate_blue_crystals
coriolis_effect_balloon
cornstarch_and_water
cornstarch_dancing_on_speaker
cow_eye_dissection
cracking_an_egg_underwater
cracking_apart
cracking_hydrocarbons
crash_test_dummy
crayfish_dissection
crayons_rock_cycle
create_a_sundial
creating_an_electromagnet
crumple_zones_egg_car
culturing_bacteria
custard_powder_explosion
cutting_rope_with_rope
cylinder_puzzle_model_of_scientific_inquiry
dart_drop_accuracy_precision_and_uncertainty
demo_template
density_tower
detecting_fake_blood_with_luminol
diamagnetism_of_water
dichromate_breathalyzer
diffusion_in_hot_and_cold_water
disappearing_coin
disappearing_glassware
disappearing_ink
disappearing_x
disc_vs_ring_moment_of_inertia
dissolving_styrofoam_in_acetone
distribution_of_earths_water
diy_centrifuge
diy_robot_hand
dna_extraction_from_kiwi_fruit
dna_paper_model
dollar_bill_inertia_challenge
dominance_and_recessiveness_food_coloring
door_knobs_and_handles
doppler_ball
doppler_effect_with_water_waves
double_slit_experiment_with_light
double_slit_experiment_with_water_waves
drinking_bird
dropping_balls_from_same_height
dropping_coin_and_feather_in_vacuum
dropping_ruler_reaction_time
dry_ice_balloon
dry_ice_bubble_tower
dry_ice_bubbles
dry_ice_carbonated_ice_cream
dry_ice_comet
dry_ice_detergent_bubbles
dry_ice_film_canister_rocket
dry_ice_flame_extinguisher
dry_ice_fog
dry_ice_frozen_bubbles
dry_ice_jack_o_lantern
dry_ice_ph_colour_change
dry_ice_rainbow_colors
dry_ice_singing_spoon
earthquake_shake_table
earths_tilt_and_seasons
earthworm_dissection
easy_heart_pump_model
ebbinghaus_illusion
ecosystem_in_a_bottle
eddy_currents_and_magnetic_damping
edible_candle
effect_of_concentration_acid_and_marble_chips
effect_of_particle_size_acid_and_marble_chips
effect_of_particle_size_on_solubility
effect_of_ph_on_catalase_enzyme_activity
effect_of_temperature_acid_and_marble_chips
efficiency_of_bouncing_balls
egg_drop_inertia
egg_in_bottle
egg_spinning_inertia
egg_yolk_cell_membrane
elastic_band_universe
electrolysis_of_brine
electrolysis_of_molten_zinc_chloride
electrolysis_of_water
electromagnetic_induction
electromagnetic_shielding_with_faraday_cage
electromagnetic_survey_with_magnets_and_compass
electromagnetic_train
electrostatic_deflection_of_a_water_stream
electrostatic_deflection_of_polar_vs_nonpolar_liquids
electrostatic_floating_rings
electrostatic_smoke_precipitation
elephants_toothpaste
endothermic_exothermic_dissolving
energy_in_food
energy_stick_human_circuit
enthalpy_of_combustion_of_alcohols
epsom_salt_crystals
ester_synthesis_isolation_and_purification
estimating_populations_using_quadrats
ethanol_purification_by_distillation
evaporating_seawater
evaporative_cooling_with_liquids
evaporative_cooling_with_water_vs_alcohol
exothermic_zinc_copper_sulfate_reaction
exploding_seed_pod_model
exploring_infrared_radiation_with_a_heat_lamp
exploring_pond_water_with_a_microscope
extrapolation_and_interpolation_with_spaghetti
eye_dominance_test
factors_affecting_seed_germination
falling_rhythm
false_memories
fetal_pig_dissection
film_canister_rocket
find_centre_of_ruler
fire_bubbles
fire_tornado
fireproof_balloon
fish_dissection
flame_tests
flaming_gummy_bear
flammable_citrus_peel
floating_and_sinking_grapes
floating_coin_on_water
floating_egg
floating_needle_compass
floating_paper_clip
floating_ping_pong_ball
floating_soap_bubble_on_carbon_dioxide
flocculation_cleaning_water
flower_dissection
flying_optical_illusion
flying_tea_bag
focal_length_of_a_concave_lens
focal_length_of_a_convex_lens
foil_boat_vs_foil_ball_buoyancy
fold_mountains_with_towels
food_test_for_fats_and_oils
force_table_vector_addition
forensic_fiber_analysis
fractional_distillation_of_crude_oil
franklins_bells_with_van_de_graaff_generator
franklins_bells
freeze_a_beaker_to_a_board
freeze_antifreeze_with_liquid_nitrogen
freeze_thaw_weathering
freezing_flowers_with_dry_ice_and_alcohol
friction_block_on_inclined_plane
frog_dissection
frog_natural_selection_similation
froth_flotation
fruit_dissection
fuse_with_steel_wool
gallium_and_aluminium_can
gear_ratios
geiger_counter_and_radiation_shielding
gelatin_volcano_model
genetic_inheritance_in_brassica_rapa
genetic_traits_survey
genie_in_a_bottle
genie_in_the_bottle_rope_trick
geological_timeline_with_toilet_paper
giant_pendulum
globe_and_heat_lamp_seasons_model
glow_sticks_temperature
glowing_oobleck
glowing_pickle
glowstick_dissection
golden_rain
gram_staining
grasshopper_dissection
gravitropism_in_seedling_stalks
gravity_filtration
gravity_visualized
greenhouse_analogy_with_chocolate
grow_egg_geodes
growing_alum_crystals
growing_bismuth_crystals
growing_crystals_on_string
gummy_bear_osmosis
hair_sample_analysis
halloween_clock_reaction
halogen_displacement
handgrip_strength_test
handshake_activity_disease_transmission
handwriting_analysis
happy_and_sad_balls
hardy_weinberg_bead_simulation
harmonic_knives
harvard_step_test
hearing_frequency_test
heart_rate_recovery
home_made_electroscope
homemade_electrophorus
homemade_hot_air_balloon
homemade_lightning_with_a_pie_pan
homemade_water_purifier_model
hot_and_cold_hand_test
hot_water_condensation
how_heat_sings
how_salt_affects_freezing_of_water
human_arm_third_class_levers
human_cheek_cells_under_microscope
human_reflexes
hydrogen_balloon_explosion
hydrogen_fuel_cell
hydrogen_mini_rocket
hydrogen_oxygen_exploding_bubbles
hydrophobic_coatings
ice_cube_on_a_string
impact_craters
inattentional_blindness
inclined_plane_spring_scale
inertia_hat
inertia_which_string_breaks
inseparable_books
instant_snow_polymer
interactive_food_web_game
inverse_square_law_of_radiation
inverse_square_law_with_balloon
inverse_square_law_with_light
investigating_law_of_reflection
investigating_plant_growth
investigating_refraction_and_snells_law
iodine_clock
iodine_vapor_fingerprints
ionic_cut_and_match
iron_and_sulfur_compound_formation
iron_in_cereal
iron_thiocyanate_equilibrium
jumping_coin_with_bernoullis_principle
kettle_power
kidney_dissection
lactase_breakdown_of_lactose
lake_stratification_overturn_in_jar
land_vs_water_heating
laser_microscope
lava_flow_races
leach_mining
lead_iodide_precipitation
lead_storage_battery
leaf_chromatography
leaf_classification
leaf_disk_photosynthesis
learning_curves_in_sports_skills
learning_new_skills_mirror_maze
led_color_change_in_liquid_nitrogen
led_photocell
lemon_juice_invisible_ink
length_of_digestive_system
lenzs_law_tubes
levers_in_action
levitating_tinsel
light_a_match_with_superheated_steam
light_refraction_arrow_changes_direction
limewater_test_for_carbon_dioxide
limiting_reactant
limp_celery
liquid_nitrogen_banana_hammer
liquid_nitrogen_freezing_bouncy_ball
liquid_nitrogen_freezing_fruit
liquid_nitrogen_freezing_marshmallows
liquid_nitrogen_hot_water
liquid_nitrogen_hovercraft
liquid_nitrogen_ice_cream
liquid_nitrogen_shrinking_balloon
liquid_nitrogen_smashing_flowers
liquid_nitrogen_teapot
liquid_nitrogen_volcano
living_or_not
lizard_dissection
lost_volume
luminol_chemiluminescence
luminous_powder_germ_spread
lung_capacity_test
lung_dissection
lycopodium_powder_fireball
lying_on_a_bed_of_nails
lynx_hare_population_cycle_game
magdeburg_hemispheres_with_suction_cups
magic_sand
magnesium_and_steam_reaction
magnetic_fields_with_iron_filings
magnetic_force_and_separation_distance
magnetic_levitation_with_pyrolytic_graphite
magnetic_separation_of_sand_and_iron_filings
magnetic_shielding
make_a_barometer
make_a_thermometer
make_molecular_models
make_rainbow_with_a_cd
make_vacuum_cleaner
making_bakelite
making_casein_plastic
making_chlorine_gas
making_esters_in_test_tube
making_ferrofluids
making_fossils
making_light_by_rubbing_quartz
making_marshmallow_molecules
making_nitrogen_dioxide
making_poo
making_rayon_fiber
making_silicon_from_sand
making_slime
making_soap
making_yogurt
marshmallow_catapult
marshmallow_in_syringe
marshmallow_in_vacuum
mass_or_air
measure_the_earth
measuring_background_radiation
measuring_oxygen_use_by_germinating_seeds
measuring_parallax_distance
measuring_radioactivity_with_a_geiger_counter
measuring_speed_of_light_with_microwave
measuring_the_gravitational_constant
measuring_the_speed_of_sound_with_a_drum
meissner_effect
melting_gallium_in_your_hand
melting_ice_and_rising_sea_levels
melting_ice_on_different_surfaces
melting_ice_on_warm_and_cold_plates
melting_vs_dissolving
mentos_and_diet_coke
metal_rod_conduction
methanol_flame_colors
microwave_hot_spots_with_marshmallows
microwaving_grapes_to_create_plasma
milgrams_obedience_to_authority
milk_of_magnesia_colors
mitosis_in_onion_root_cells
model_electric_bell
modeling_dna_with_pipe_cleaners
modeling_rotation_and_revolution
modeling_sea_level_rise_in_google_earth
modeling_solar_and_lunar_eclipses
modeling_stem_cell_development
modelling_faults_with_layered_clay
molar_volume_of_hydrogen
mold_growth_on_bread
mouse_dissection
mousetrap_muscle_contraction
mousetrap_nuclear_fission
muscle_fatigue
music_box_on_bench
musical_bottles
naked_egg_osmosis
naked_egg
natural_selection_with_paper_airplanes
needle_through_a_balloon
nerve_speed_relay
neutralization_of_acid_and_base
newton_disc
newtons_cradle
nichrome_wire_kettle
nitinol_shape_memory_alloy
nitrogen_dioxide_dinitrogen_tetroxide_equilibrium
nitrogen_triiodide
non-burning_money
nylon_rope_trick
observing_plant_transpiration
observing_yogurt_bacteria
ocean_acidification
oh_deer_population_game
ohms_law
oil_and_water_emulsification
oil_slick_cleanup
oil_spill_cleanup
olfactory_adaptation
onezoom_tree_of_life_explorer
onion_root_tip_mitosis
opposable_thumbs_adaptation
optical_activity_of_sugar
origami_dna_model
oscillating_clock_reaction
osmosis_and_diffusion_with_dialysis_tubing
owl_pellet_dissection
pangaea_puzzle
panning_for_gold
paper_recycling
pascals_principle_with_syringes
pavlov_in_the_classroom
peeling_apple_biosphere_model
pen_ink_chromatography
pencils_through_bag
pendulum_period_investigation
pepper_and_water_surface_tension
peppered_moth_simulation
pepsin_digestion_of_protein
performing_a_titration
ph_indicator_easter_eggs
ph_paper
ph_rainbow_tube
phases_of_the_moon
phototropism_plant_light_maze
phylogenetic_game
picture_wall_of_the_kingdoms
pieces_of_the_story
pig_heart_dissection
pigeon_dissection
pineapple_enzymes_and_geletin
ping_pong_ball_lipid_bilayer
ping_pong_funnel_blow
ping_pong_vacuum_cannon
pinhole_camera
pizza_box_solar_oven
polar_bear_blubber_adaptations
pollination_role_play
ponzo_illusion
popsicle_bridge
potato_battery
potato_catalase_hydrogen_peroxide_decomposition
potato_inertia
pouring_water_down_string
preparing_and_testing_hydrogen
preparing_and_testing_oxygen
production_of_ammonia_gas
production_of_ethylene
products_of_combustion
projectile_motion_range
properties_of_covalent_ionic_metallic_substances
ptc_genetic_taste_test
pythagoras_cup
radiometer
rainfall_simulator
ramp_collision_energy_experiment
rat_dissection
reaction_time_under_fatigue
red_cabbage_indicator
red_cabbage_rainbow_ph_indicator
regular_and_diet_coke_cans_in_water
rock_candy
rock_testing_and_classification
rollback_can
roller_coaster_efficiency
rolling_a_soda_can_with_static
rope_loop_electric_circuit
rotating_chair_with_dumbbells
rubber_band_powered_car
rubber_band_stretch
rubber_chicken_bones
rubber_hand_illusion
rubens_tube
ruler_vibration_pitch
rusting_and_prevention
rutherford_scattering_analogue
salt_crystal_garden
salt_water_purifier
scale_model_solar_system
scattering_of_light_with_milk
screw_ramp_around_rod
seafloor_spreading_model
second_class_levers
sediment_sorting
sedimentary_rock_snacks
see_convection_currents
see_saw_lever
seed_dispersal
seesaw_scales
separating_white_light_into_colors
serial_position_effect
series_and_parallel_circuits
shaken_soda_can_race
shark_dissection
sheep_brain_dissection
shoeprint_identification
shoot_the_monkey
short_term_memory
shrink_potato_with_osmosis
silo_of_salt
silver_nitrate_christmas_tree
simple_accelerometer
simple_compound_pulleys
simple_electric_motor
simple_heat_conduction_experiment
simple_machines_in_zipper
simple_pulley_system
simulate_a_sneeze
simulated_blood_typing
simulating_a_tsunami
simulating_an_epidemic_with_glogerm
simulating_radioactive_decay_with_dice
simulating_virus_transmission
singing_crystal_glass
singing_rod
sinking_ice_cube
sinking_orange_floating_peel
slinky_seismic_waves
slinky_waves
smelly_balloons
snake_dissection
snowstorm_in_a_jar
sock_meiosis
sock_mitosis
soda_can_crusher
sodium_acetate_crystallization
sodium_alginate_worms
sodium_in_water_explosion
sodium_in_water
soil_analysis
soil_erosion_model
soil_field_capacity
soil_liquefaction_and_earthquakes
soil_water_holding_capacity
solar_system_mass_distribution
solid_lead_nitrate_and_potassium_iodide
solubility_of_salts
solubility_rules
sound_localization
speed_of_sound_with_a_resonance_tube
spinning_convection_snake
split_flame_with_gauze
ssimple_and_choice_reaction_time_tasks
stacked_ball_drop
stand_on_balloons_without_popping
static_electricity_balloons
steel_wool_and_vinegar_exothermic_reaction
sticky_rice_friction_lift
stingray_dissection
stirling_engine
stoichiometry_in_combusion_of_acetylene
stomp_rocket
straw_reed_instrument
straw_siphon
straw_through_a_potato
strawberry_dna_extraction
strength_of_paper_columns
string_telephone
strobe_light_circular_saw
strobe_light_fan
strobe_light_guitar_strings
strobe_light_water_drops
stroop_effect
sublimation_of_iodine
sublimation_of_naphthalene
sugar_and_sulfuric_acid_carbon_snake
sugar_cube_rock_cycle
superabsorbent_polymers_in_diapers
surface_area_alka_seltzer
surface_friction
surface_tension_boat
sweet_cracker
sympathetic_resonance_tuning_forks
taste_and_smell_connection
teaching_hand_washing_with_uv_light
temperature_and_solubility_of_salt_vs_sugar
termite_guts
tesla_coil_wireless_lighting
test_for_hard_water
test_for_starch_in_leaves
testing_foods_for_reducing_sugars
testing_for_starch_in_food
testing_insulation_materials
testing_material_properties
testing_ph_indicators
testing_rock_hardness
the_bystander_effect
the_daniell_cell
the_jar_test_soil_texture_analysis
the_mcgurk_effect
the_spacing_effect
the_spinning_can
the_tablecloth_trick
thermal_decomposition_of_ammonium_chloride
thermal_decomposition_of_copper_carbonate
thermite_spheres
thermite
thermochromic_materials
three_energy_systems_in_the_body
three_polarizing_filters
ticker_timer_car_on_ramp
tollens_test_silver_mirror
tool_mark_identification
toppling_bottles
tornado_in_a_bottle
total_internal_reflection_in_water_stream
tragedy_of_the_commons_fishing_simulation
traveling_flame
triple_point_of_water
tug_of_war_vector_addition
tuning_fork_and_ping_pong_ball
tuning_fork_in_water
tuning_fork_on_bench
tuning_fork_resonance_with_ping_pong_ball
tuning_forks_beats
turning_copper_coins_silver_and_gold
turntable_paradox
two_balloons_experiment
two_falling_coins
two_point_discrimination
uncrushable_egg
upside_down_water_glass
use_of_laboratory_balances
use_of_volumetric_pipette
using_a_burette
using_a_measuring_cylinder
using_a_microscope
using_a_separating_funnel
using_volumetric_flasks
uv_beads_and_sunscreen_test
vacuum_power
van_de_graaff_and_soap_bubbles
van_de_graaff_candle
van_de_graaff_confetti
van_de_graaff_fluorescent_bulb
van_de_graaff_flying_ball_silver_snake
van_de_graaff_hair_raising
van_de_graaff_human_chain
van_de_graaff_levitating_foil
van_de_graaff_making_sparks
van_de_graaff_pie_tins
vanadium_oxidation_states
viewing_onion_cells
virtual_oscilloscope
viscosity_with_marbles
visual_and_auditory_reaction_time
visualizing_sound_waves_with_an_oscilloscope
visualizing_the_mole
vortex_rings_liquid_nitrogen
wafting_demonstration_with_ammonia
watching_yeast_make_bubbles
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winogradsky_column
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witches_cauldron_with_dry_ice_fog
writing_with_fire
yeast_and_bread_fermentation
yeast_fermentation_and_temperature
yeast_fermentation
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