In this Activity, students learn about a demonstration and activity that they could use with elementary students. The demonstration uses an effervescent antacid tablet such as Alka Seltzer with water to blow up a balloon. The activity also uses the tablet with water, this time in a film canister.
In this Activity, students use written clues to determine the identities of 12 chemical compounds. They write the name and chemical formula for each compound, and find a consumer product in which each compound is present. This Activity increases student awareness of the presence of a variety of chemical compounds in a range of common consumer products.
In this Activity, students study a structure made from Lego blocks and then attempt to build the structure from memory. During a second examination of the structure, students write building instructions. The instructions are then given to another student who attempts to recreate the structure without looking at the original.
In this Activity, students collect data outdoors on a rainy day using plates and paper towels and use the information to calculate the rate of rainfall. This Activity reinforces ideas about density, mass, volume, area, length, and units.
In this Activity, students make their own toothpaste and use various tests to compare its properties with those of commercial toothpaste. This includes testing its ability to remove stains from the dyed shells of hard-boiled eggs. The Activity allows students to discover more about a cleaning product they use every day.