3 0 obj Sugar 5. 4 different food colourings e.g. 2 0 obj The cup with only two red Skittles doesn’t have as much sugar as the cup with ten purple Skittles, but they both have the same amount of water.
Carefully layer some green sugar solution above the blue liquid. 5 glasses or jars 2. stream e��A�p59=�� p�K��L <>
%PDF-1.7 endobj 4 0 obj When you add hot water to them, the sugar dissolves and the coloring on the shell of the Skittles turns the water different colors. Rainbow in a Glass Experiment This is a fun experiment where we explore water density by making a rainbow in a glass. Rainbow in a Glass Edit. The red water is less dense than the purple water, so it will float on top of the purple water. 1 0 obj endobj Access to a tap 4. Do not look directly at the sun or at the reflection of sun in a mirror. blue, green, yellow and red 3. This experiment has been tried and but we can't say that we trust this one.
<>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 595.32 841.92] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Fill the last glass about one-fourth full of the blue sugar solution. x��[[s�6~�����7��č$v2�i.���촵w���mS�6�t��=�,�"RJ"���2�| �sp.���_�|��{H�������e�����ӓ��$��3#`qz"e�R�n�?7h���о�wZ��������A���L&9@����3 �1LJ�A��?.�i���~==���_��3v~�sQM! Warning: Adult supervision is vital in experiments involving sunlight. Materials Water A mug 5 separate cups A Tablespoon A clear glass A dropper or pipette Instructions: Separate the Skittles into the cups, in these amounts: 2 red, 4 orange, 6 yellow, 8 green, and 10 purple. This activity will expose students to the concept of density and hypothesizing. The amount of matter packed into a certain amount of space is called the density of the material.
f\-h8�f�P)���WS|��'v�v��vqz�)���U��G�UP�ż�k��W?��|@ѿvK}�T�_���lQV�D��Ї�z�L��o8+�j�Y�z�P)f�*�� i���j��-v�Q�ɕ2�X֭.X��U|&��8�f�j��P�:�I�E�����2�їXE���>�O��#�ޕ+�I��'f?�&rߚ���^j�M�"W���;Ym�N�����C��zF(�8���� �����"TqM�� ᯊ��r������WKE0�ӯ��l�9I�3�y�4�X*,�t��4=����^;�%g�yVҔ4R��Y��sC���e���֦��R��t��s,���g8����ͧ�'���3*���w6ly�����Z�����G�.��t��J������e��ŬA�#�u~+��̻��^V��"u�����}v( k����ޡ; Now are you ready to make some rainbows? Rainbow Experiment. 1. Do this by putting a spoon in the glass, just above the blue layer, and pouring the green solution slowly over the back of the spoon.
Now let's make a rainbow using the different density solutions. endobj <> Watch Scientist Joe conduct the experiment here! *����q7�?�y�qZ��3�U��� Materials Edit. Heat a mug of water in the microwave for a minute and a half (or long enough that the water is hot, but not boiling). Skittles are mostly made of sugar. <>/Metadata 150 0 R/ViewerPreferences 151 0 R>> A straight straw or syringe (if you need to buy straws Set up time: 10 minutes Wait time: None What do you need? Here are 3 easy ways to make your own rainbows at home. %����
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