This ExploreLearning Gizmo allows the user to examine the characteristics of covalent chemical bonds. The orbits of shared electrons in single, double, and triple covalent bonds can be observed and the completed molecules compared to the corresponding Lewis diagrams. The resource includes an exploration guide and assessment questions.
This resource allows students to explore the differences between ionic and molecular compounds in "show" and "explore" modes. In the "show" mode, students observe the differences in composition and properties of ionic and molecular compounds; they also learn how experiments on solubility and conductivity can help determine these differences. In the "explore" mode, students are provided with an opportunity to apply what they have learned by formulating conclusions on whether four compounds are either ionic or molecular. Their conclusions are based on an examination of the periodic table; experiments of solubility and conductivity; and observation of the state of matter.
This ExploreLearning Gizmo allows the user to simulate ionic bonds between a variety of metals and non-metals to discover how the electron arrangement of atoms determines their ability to form bonds. The type, number, and arrangement of atoms, and the speed of electron transfer, may be manipulated to achieve a stable molecular structure. The effect of transfer on charge may also be observed and the resultant chemical formula displayed. Ionic Bonds includes an exploration guide and assessment questions.
This resource explores the chemistry of solutions. Three sodium thiosulfate solutions are made: an unsaturated solution, a saturated solution, and a supersaturated solution. A seed crystal is added to each to explore the empirical (operational) definition for each type of solution. A seed crystal is used with the supersaturated solution to grow a stalagmite of crystal. The resource includes a video with explanatory and inquiry audio tracks, a lesson, extension activity, and answers.
This ExploreLearning Gizmo allows the user to discover how the physical properties of a solvent depend on the number of solute particles present. The boiling point, freezing point, osmotic pressure, and vapour pressure of solutions may be determined by varying the type of solute, solute concentration, and temperature in the experiment. Colligative Properties also includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to explore the connections among distance, velocity, and the slope of a line by interpreting distance-time and velocity-time graphs for two sprint runners. The animated simulation supports understanding of the meaning of different slopes and intersecting line graphs. The resource also includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to explore the connections among distance, velocity, and the slope of a line by interpreting distance-time graphs for two sprint runners. The animated simulation supports understanding of the meaning of different slopes and intersecting line graphs. The resource also includes an exploration guide and assessment questions.
This resource presents a virtual science laboratory that allows students to explore the relationship between concentration and reaction rate. Using chemistry laboratory supplies, students investigate the reaction rates of varying concentrations of sulfuric acid combined with magnesium metal. Students record their findings in a data table and graph the results.
This resource presents a virtual science laboratory that allows students to explore the relationship between particle size and reaction rate. Using chemistry laboratory supplies, students investigate the change in reaction rate when varying sizes of zinc particles are reacted with sulfuric acid. Students record their findings in a data table and graph the results.
This resource presents a virtual science laboratory that allows students to explore the relationship between temperature and reaction rate. Using chemistry laboratory supplies, students can investigate the effect that the temperature of water has on the reaction rate of antacid tablets. Students record their findings in a data table and graph the results.
This ExploreLearning Gizmo allows the user to explore how mass and force affect acceleration. The simulation features a cart onto which masses and fans may be placed. The fans exert a constant force when switched-on. The total mass on the cart, the fans' direction, and the initial velocity can be altered. Position, velocity, and acceleration data may be analyzed according to Newton's Laws of Motion. The resource includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to observe evolution in a fictional population of bugs. The background can be set to any colour, and the process of natural selection can be seen taking place. Mutations occur at random, and probability of capture by predators is determined by the insect's camouflage. The resource includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to observe evolution in a fictional population of bugs. The background can be set to any colour, and the processes of natural and artificial selection can be compared. The way in which mutation rate affects adaptation and evolution can be determined by manipulating the mutation rate. The resource includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to study species populations in an ecosystem and food chain consisting of hawks, snakes, rabbits, and grass. Disease can be introduced for any species, and the number of animals can be increased or decreased at any time. The resource includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to observe the population of rabbits in an environment over many years. Weather conditions and the land available to the rabbits can be adjusted in order to compare the effects of urban sprawl and unusual weather on wildlife populations. The resource includes an exploration guide and assessment questions.
This ExploreLearning Gizmo allows the user to explore the relationships among velocity, mass, friction, and momentum. The roller coaster hill height, car mass, and track friction are adjusted and the results observed. The force required to break an egg at the end of the track may be analyzed with dynamic line graphs displaying variables of motion including potential, kinetic, and total energies, and the x and y components of position, velocity, and acceleration for each trial. The resource includes an exploration guide and assessment questions.
This video explores causes of successional events in communities and ecosystems. The program analyzes data on population and community change, examines the impact of human activity on various ecosystems and presents new ideas on the concept of succession. (BiologiX 41)
This ExploreLearning Gizmo allows users to examine the four main types of pollution present in the environment, and then look at a variety of examples as they try to determine what type of pollution is represented by each situation. The resource also includes an exploration guide and assessment questions.