End of School Year Science

We did it!  We all made it through another school year!  As we all know, the end of the school year is for fun and celebration.  In that spirit, we've gathered a few fun (and science-y) activities you can do with your class or at home.  Enjoy!

Bubble Geometery
Materials
Four pipe cleaners
Strong bubble mix
Deep bucket
Somewhere you can get wet!

Process
1. Make a cube out of your pipe cleaners.

• Fold two of the pipe cleaners separately into squares. 
• Cut one of the remaining pipe cleaners into three parts.
• Wind each of the cut pieces into the corners of the square pipe cleaners.  Connect the two squares together using the smaller pipe cleaner pieces.
• Use the final pipe cleaner to complete the cube, leaving a small amount hanging off of the cube to use as a handle.

2. Carefully pour the bubble mix down the side of the bucket to avoid making small bubbles.
3. Dip the cube into the bucket and carefully withdraw it a few times.  Can you make a cube shaped bubble form on the inside of the frame?
4. If you have more pipe cleaners, try again with other 3-D shapes!

Fizzy Lemonade
Materials
Lemons
Sugar
Baking Soda
Water

Process
1. Boil a couple of cups of water on the stove.
2. Add two tablespoons of sugar per cup and stir to dissolve.  Let the mixture cool.
3. Squeeze lemon juice into cups.  It takes about one lemon per glass of lemonade.
4. Add the sugar water to the cups with lemon juice.
5. Add 1/4 tsp of baking soda to the lemonade.  Enjoy your fizzy lemonade!

Homemade Sundial
What you need
1 paper plate (or a circle cut out of cardstock or cardboard)
1 straw (or a pencil, chopstick or skewer)
1 pointed object (like a sharpened pencil)
Rocks (optional)
Sidewalk chalk (optional)
Compass (optional)

Process
1. Use a pointed object, like a sharpened pencil, to carefully poke a hole through the center of a paper plate. If you don’t have a paper plate, you can cut out an 8-inch-diameter circle on a piece of thick cardstock.
2. Place the straw or pencil in the hole you made.
3. Write the number 12 at the edge of your sundial for 12 p.m. (noon).
4. Take your sundial outside to a sunny spot that doesn't get shady shortly before noon.
5. Rotate your sundial until the straw's shadow aligns with the number 12.  Your sundial will now look like a clock!
6. Slightly angle the straw or pencil in the direction of the shadow so it points north.  (Use your compass to confirm the direction.)
7. Secure your sundial in place using rocks.
8. Return in an hour and check the position of the shadow.  Has it moved?  Write the number 1 at the edge of the plate where you see the shadow.
9.  Continue to record data on the edge of your plate each hour.