Sundial
Fri, Nov 30, 2012Make a sundial. Mark which direction is north. Mark the shadow every hour. Can you use it to show time? more...
Fill plastic tubing with water. Secure syringes on each end. Use this hydraulic system to move an object. more...
Make a spring scale and use it to weigh your halloween candy. Swing it around and measure force. more...
Add dry ice and dish soap to warm water. Pop the soapy bubbles and watch 'smoke' escape. more...
Hold an inflated balloon containing a hex nut. Shake it so the hex nut spins around. What do you hear? more...
Soak the stems of celery or carnations in colored water. Do the plants change color? more...
Make paper airplanes. Fly them. Adjust them and fly them again. How did they fly? more...
Stretch rubber bands around a cup. Strum rubber bands. What sounds can you make? more...
Go to bridge at IH35/McNeil at 8pm. Look for bats. Listen to them. Watch them fly away. more...
Combine breakfast cereal in a cup. Shake the cup. Where do different kinds of cereal settle? more...
Launch different kinds of rockets by squeezing or stomping on launchers. Where do the rockets travel? more...
Heat air inside a 2L bottle and watch balloon expand. Cool the air inside the bottle. Will it contract? more...
Partially freeze a water balloon. Pop the balloon. What was inside the balloon? more...
Coat your hand with bubble solution. Blow a bubble on your hand. How long can you hold the bubble? more...
Cover flashlights with different color cellophane. Shine on same surface. What colors do you see? more...
Use pipettes to transfer colored water into small clear trays. Mix colors. What colors can you create? more...
Red cabbage juice can be blue. Add lemon to make it pink. Add baking soda to make it purple. more...
Place beans against wet paper towel and leave them in sunlight. How do they change over time? more...
Partially submerge root vegetables in water, for a few weeks. Do they sprout leaves? more...
Soak orbs in water. Watch them grow into squishy, bouncy, marble-size balls. How do they feel? more...
Tape together two water bottles, with a washer in between. Flip it over. Can you see a water vortex form? more...
Add water to a film canister. Drop in Alka Seltzer. Cap it and flip it over. Where does it travel? more...
Use a stick to knock away the bottom block in a tower. Does the tower fall? more...
Use vacuum to blow air through a funnel, from a 2L bottle. Place ball in the funnel. Does ball fly away? more...
Squirt color gel in a baggie. What happens when you squish the colors together? more...
Fill a cup with water. Cover with an index card. Flip cup over. Does water spill out? more...
