In this section of the site, learners get a chance to engage directly with scientific and mathematical concepts through hands-on, playful, and visual tools. Instead of passively reading about theory, users can experiment, explore, and visualize ideas in real time.
Use this projectile motion calculator to explore how launch speed, launch angle, starting height, and gravity affect the path of an object. The interactive diagram shows the trajectory, range, time of flight, maximum height, and velocity components. How to use the projectile motion tool 1 Set the launch speed Choose the initial speed v0. A … Read more
Use this interactive seasons simulator to learn why seasons change. Drag Earth around the Sun, adjust the axial tilt, spin the globe, and compare solstices, equinoxes, sunlight angle, and day length. How to use the interactive seasons simulator 1 Drag Earth Move Earth around the Sun or use the orbit slider. Watch the axis stay … Read more
Use this multi-shape volume calculator to find the volume of a cube, cuboid, cylinder, cone, sphere, or hemisphere. Each answer includes a diagram, formula, cubic units, and step-by-step calculation. How to use the volume calculator 1 Choose a shape Select cube, cuboid, cylinder, cone, sphere, or hemisphere. 2 Enter measurements The input fields change automatically … Read more
Explore spherical coordinates with an interactive 3D-style diagram. Drag point P, compare spherical and Cartesian coordinates, and learn how rho (ρ), theta (θ), and phi (φ) describe a point in space. How to use the spherical coordinates interactive tool This activity extends the idea of polar coordinates into 3D space. Instead of only radius and … Read more
Use this thermal expansion visualizer to heat and cool different materials, compare real length changes, and discover why small expansions matter in bridges, rails, glass, and metal strips. How to use the thermal expansion visualizer 1 Choose a material Pick aluminum, brass, copper, steel, glass, concrete, or invar. Each one has a different expansion coefficient. … Read more
Use this daily calories estimator to learn how much energy you need daily. Young learners can compare broad kcal ranges and adult EER calculations while exploring how activity level and body measurements affect an estimate. How to use the daily calories estimator 1 Choose a mode Use basic learner mode for broad age-group ranges or … Read more
Use this equations of motion calculator to find missing velocity, acceleration, time, or displacement values for straight-line motion with constant acceleration. How to use the equations of motion calculator 1 Choose a positive direction Decide which direction is positive. Enter velocity, acceleration, and displacement in the opposite direction as negative values. 2 Enter three values … Read more
Explore polar coordinates by moving a point around a circular grid. See how radius and angle describe its position, connect polar coordinates to x- and y-coordinates, and practice conversions with worked steps. How to use the polar coordinate interactive tool The activity combines a movable point with a coordinate converter. Start on the graph, then … Read more
Use this interactive echo simulator to change the distance to a wall, air temperature, and reflecting surface, then observe the outgoing sound and its returning reflection. How to use the echo simulator 1 Choose the distance Move the distance slider to place the reflecting wall from 1 to 100 metres away. 2 Set the air … Read more
Explore the Cartesian coordinate plane by moving two points on the graph. The interactive tool calculates the slope, midpoint, distance, and equation of the line in real time, helping learners connect each formula to a visual result. How to use the Cartesian coordinate tool Start with points A and B on the coordinate plane. Every … Read more