Eureka! Using the clay boats made in the previous lesson, learners investigate the idea of buoyancy and water displacement to finish the last installment of five in a Floaters and Sinkers unit. Their observations during the activity...

Students investigate the science behind hot air balloon flight. In a lecture and demonstration, they observe how helium-filled balloons are affected by the wind. Using basic household items such as newspaper, paper cups, and balloons,...

Students examine whether objects will sink or float.  In this buoyancy activity students bring in objects and experiment to see if they sink or float.

Learners use the internet to research Archimedes' principle of buoyancy. In groups, they summarize the principle and share it with the class. They also participate in experiments in which they test the principle and share their results...

Learners observe earth science by examining results from an experiment. In this buoyancy lesson, students practice floating different items in two different liquids and identify why certain objects will float and others sink. Learners...

Students explore the concept of density and buoyancy. In this physics lesson plan, students discover the different factors that affect an object's density and buoyancy in water. Students conduct several investigations to further...

Students will make a lava lamp. For this density lesson, students will combine water and oil and make observations, then add salt to the oil and observe the oil sink, then float again when the salt dissolves in the water.

In this density worksheet, students review how to calculate density and how to apply Archimedes' Principle, Boyle's Law, and Charles' Law. This worksheet has 10 matching, 13 short answer, and 6 fill in the blank questions.

Students examine a density demonstration involving ice cubes and beakers of water and alcohol. After observing how one ice cube floats in water and sinks in alcohol, they determine which mixture of the two would suspend the ice cube in...

Fourth graders examine the ecosystem of the Great Salt Lake in this two-part instructional activity, completing a KWL chart before and after the field trip to the site. While there, they draw and write about their observations. To test...

Third graders recognize that different materials have different properties which can be observed such as texture and bouyancy, and compare and contrast, through observation, ability of some objects to float because of action of...

Second graders discuss why some objects float while others sink. They examine various objects and predict whether or not they will sink or float. Students discover the properties needed for objects to float.

Students discover how salt water makes a pencil float better than freshwater by measuring and comparing the lengths of the portion of the pencil that floats above the water surface. They then determine if an unknown water sample is...

Students read the Adventure Team journal about scuba diving and discuss the gear used in the sport. Working in groups, they examine how different pieces of equipment work. Students then reconvene as a class and glue pictures of their...

Students will perform experiments to examine if debris will float, or blow in the wind. They discuss the effects of these characteristics on marine debris.