Simple Kids Crafts is a video blog dedicated to reviving the old art of handicrafts for people of all ages. How do oil spills affect aquatic plants? A Miniature Solar Panel Fire Water Balloon Make Clouds in a Bottle Secret Messages Make a Rocket Make a Hovercraft Make an Anemometer Make a Sundial Make a Radio Make an Electroscope Make a Stethoscope Make a Telescope Make a Periscope Make a Camera Bending a stream of water with a comb Lighting a bulb without electricity Simple Motor Cotton Ball Rocks? Salt-Absorbing Art and Science Color Changing Glue Art Baking Soda Clay Oil Sun Catcher Grow a Pineapple Plant! Bead Bowls Wow, what an Air-Gun Funny Diver ! Water boils without fire Ice with Boiling Water Water that boils instantly Water boils in a Paper Pot Soap-driven Boat Pulse Moves Pin Pretty Garden—without Plants Picture made by Fire Magic Pictures Dancing Doll Smoke Goes Down The Dancing Coupl The Umbrella Dance Magic Butterfly Colorful ...
Stating the Problem - The Big Question How does a seismograph record the magnitude of an earthquake? Materials * Scissors * Ruler * String * Masking Tape * 5-oz (150-ml) Paper Cup * Adding-machine Paper *Black Marking Pen * 5 ounces (150 ml) small rocks * Modeling Clay * Sharpened Pencil *Cardboard Box, measuring about 12 inches (30 cm) on each side * Adult Helper Planning the Procedure 1. Ask an adult to prepare the box as follows: *cut the lid off the box, then turn the box on its side so that the opening faces outward. *Cut a 2-inch (5-cm)-diameter hole in the center of the top of the box. *Cut two t-by-4-inch (1.25-by-1O-cm)slits in the box. Make the first slit in the center of the bottom, near the opening. Make the second slit, in line with the first slit, in the back of the box. 2. Cut a 24-inch (60-cm) section of adding-machine paper. 3. Thread the strip of paper through the slits in the box so that about 2 inch...