CK-12 Foundation
Oblique Asymptotes: Rational Functions and Asymptotes
Examine the connection between rational functions and their graphs. Individuals use an online manipulative to sort equations with horizontal and oblique asymptotes. They focus on the degree of the numerator and denominator.
CK-12 Foundation
Horizontal and Vertical Asymptotes: Rational Functions
Play with the graph of a rational function to discover the asymptote patterns. Young scholars use the interactive lesson to discover the relationship between the asymptotes and the function. As they manipulate the function, the graph...
CK-12 Foundation
Inverse Variation Models: Speedometer for Inverse Variation Models
Model inverse variation while solving a real-world problem. Young scholars use the interactive lesson to discover the pattern of inverse variation data. They then use that discovery to write and analyze an equation.
Space Awareness
Valleys Deep and Mountains High
Sometimes the best view is from the farthest distance. Satellite imaging makes it possible to create altitude maps from far above the earth. A three-part activity has your young scientists play the role of the satellite and then use...
LABScI
The Separation Lab: Candy Colors
There's no better motivator than candy! An engaging activity has pupils explore methods for separating mixtures. A two-part lab first explores methods of separation based on size and magnetism. The second activity introduces learners to...
LABScI
Surface Tension: Liquids Stick Together
Use science to help you walk on water! Young scientists explore the properties of liquids including cohesion, adhesion, and surface tension. They use graphs to compare different liquids and make predictions about their molecular attraction.
LABScI
Electrolysis: Splitting Water
Explore the chemical components of water through an electrolysis reaction. Scholars use a battery to divide various water solutions into different gases. As they collect the gases, they measure the volume and make a comparison to the...
LABScI
The Rutherford Atomic Model: Hidden Obstacles
Historically, scientists had to be creative to study subatomic structure. Scholars step into their minds to recreate the procedure Rutherford used to create his atomic model. Learners identify the creative efforts of early scientists...
CK-12 Foundation
Model Rocket
Acceleration, velocity, mass, and gravity all play a role in the motion of a rocket. Young scientists explore the connection among these components using an interactive tutorial. They adjust the mass and thrust force to experiment with...
CK-12 Foundation
Irwin and Ruthie
Learners compare acceleration to displacement through an interactive tutorial that permits them to adjust the running strategy of two robots and watch them race. A graph displays the robot's velocity over time and another shows their...
CK-12 Foundation
Butterfly Stroke
Swimmers improve their times by understanding the physics of their sport. As a swimmer moves through the water, the efficiency of motion affects the resulting velocity. Through an interactive simulation, pupils change the level of motion...
CK-12 Foundation
Tire Pressure
Learners use an interactive simulation to explore the connection between force and air pressure. They adjust the mass of a vehicle and air pressure in its tires and predict the result. As the vehicle's mass increases, the tire pressure...
CK-12 Foundation
Portrait Gallery
An interactive lesson explores the effect of force angles on resulting forces. Learners adjust angles of strings supporting hanging portraits and watch the effects on the resultant force. Vector diagrams provide a visual representation...
CK-12 Foundation
Newton's Cannon
Gravity does more than keep our feet on the ground — it holds a satellite in orbit, too. Help learners understand the effects of gravity on an orbiting object through a simulation activity. Individuals adjust a launch speed and watch as...
CK-12 Foundation
Bobsled
Bobsled riders' safety depends on skill ... and physics! Learners use a simulation to understand the physics behind the sport. They manipulate the speed, mass, and/or turn radius of the sled and watch the effects on the centripetal force.
CK-12 Foundation
Irwin 2D
Learners explore two-dimensional motion through visual modeling with an interactive lesson that allows them to control the path of a robot. Graphs show both the horizontal and vertical motion as the robot continues through its entire route.
CK-12 Foundation
At the Crossroads
Young scientists investigate methods of comparing standard and metric units with a technology-enhanced lesson that builds a connection between conversion ratios and the corresponding units. The simulation allows learners to manipulate...
CK-12 Foundation
Cassegrain Telescope
How does a telescope magnify images? Learners first watch a tutorial explaining the basic construction of a telescope. Then they interact with a simulation that allows for changes in the location and diameter of the reflecting mirrors....
NOAA
Off Base
How does carbon dioxide affect the world's oceans? The final installment in a series of six lessons has pupils research ocean acidification, then conduct an experiment to witness the delicate balance that exists in our seas. Materials...
NOAA
History's Thermometers
How is sea coral like a thermometer? Part three of a six-part series from NOAA describes how oceanographers can use coral growth to estimate water temperature over time. Life science pupils manipulate data to determine the age of corals...
Space Awareness
Transforming Water Into Acid ... And Back
Greenhouse gases affect marine wildlife in life-threatening ways. Through experimentation, your classes explore the acidification of water from the main greenhouse gas carbon dioxide. As they introduce carbon dioxide to water, a pH...
Space Awareness
Ocean Acidification
Learn the science behind ocean acidification and its effects on ocean wildlife. Young scientists conduct a laboratory investigation that monitors the acidity level of water. While burning a candle, learners capture the carbon dioxide in...
Space Awareness
A View From Above
Analyzing and interpreting satellite data takes knowledge and patience. Through a detailed lab investigation, young scholars learn the process of analyzing this data. They use technology to create color images and maps from real...
LABScI
Acids and Bases: Cabbage Juice pH Indicator
Explore the range of pH using an assortment of household liquids. Scholars create their own pH indicators from cabbage and determine the pH of several liquids. To further their exploration, individuals use the same liquids to create...