Color Changing Milk Kitchen Science Experiment for Kids

[{"selector":"#anim-8b4b0f33-1c98-438e-b2a9-9400e9838c35 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-119.31900855204866%, 0%) scale(4)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":800,"fill":"forwards"}] SIMPLE KITCHEN SCIENCE SIMPLE KITCHEN SCIENCE EXPERIMENT

[{"selector":"#anim-4ef5c708-37ff-4c55-b7ea-c838372efc4d","keyframes":{"transform":["translate3d(-167.74194%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":200,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-703da2f2-b970-449d-8f26-17d19f6d0515","keyframes":{"transform":["translate3d(-131.91488%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":200,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b304251e-eccd-4aa6-90f7-7bbe04644857","keyframes":{"transform":["translate3d(-131.91488%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":250,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dc859e2b-89ec-45cb-9555-73094c463640","keyframes":{"transform":["translate3d(-159.43775%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":250,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6b7b11e3-df00-424b-80b9-6cdd27c91d0d","keyframes":{"transform":["translate3d(-130.85105%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a2c32e77-6293-4a48-82e4-56e8dedd812f","keyframes":{"transform":["translate3d(-165.19823%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":300,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a5d441d3-d9da-4aef-b33d-13eee9087439","keyframes":{"transform":["translate3d(-130.85105%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":350,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5cee1c67-78fc-4b9c-bfbd-2033bd500087","keyframes":{"transform":["translate3d(-175.89743%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":350,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Milk Liquid Food Coloring Liquid Dish Soap Q-Tip SUPPLIES

[{"selector":"#anim-efc4ced4-ee6e-4018-9e40-c9ee8d20821b","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Pour milk into a shallow dish covering the bottom. STEP 1

[{"selector":"#anim-9677fcf0-79d0-41a1-88ef-581089bb0447","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Squeeze food coloring drops onto the milk. STEP 2

[{"selector":"#anim-d1531f5d-9c3f-445e-998c-0f4bd802c32b","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Cover a cotton swab tip with liquid dish soap. STEP 3

[{"selector":"#anim-33f51223-20f0-4716-bd50-08684215672a","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Dip that soap-soaked tip into the colorful milk. STEP 4

[{"selector":"#anim-a51fe94b-1e49-46eb-8cdb-319495eb2c4f","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Let's watch that again! STEP 5

[{"selector":"#anim-c57ce415-c8d7-44d5-af0e-6235764bd8f4","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Surface tension happens because molecules that are alike stick together. Milk sticks to milk. Food dye to food dye. WHY?

[{"selector":"#anim-363764ae-7fa7-4435-bc18-55dc2b5ae0c9","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Dish soap is a surfactant which can reduce the surface tension of a liquid. This is why soap helps get rid of dirt! WHY?

[{"selector":"#anim-3e70fe55-ef3c-404f-b2b8-a5f08031062c","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] The dish soap can cut through the fat of the milk decreasing the surface tension -- it's ability to stick together. WHY?

[{"selector":"#anim-70d9f63a-daed-445c-b706-9081e8f5e659","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Because the food dye is less dense, it remains on the surface of the milk and does not get mixed in unless stirred. WHY?

[{"selector":"#anim-3438189f-f23a-41a3-9b84-5072124a3d39","keyframes":{"opacity":[0,1]},"delay":100,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Get more information about this experiment at Kids Activities Blog. MORE