Billy Bell What is meant by 3D learning? What is 3D learning? 3D Learning moves the focus of the science class to environments in which students use core disciplinary ideas, intersecting concepts with scientific practices to explore, examine, and explain how and why phenomena occur and design solutions to problems. What is 3D learning? 3D learning refers … Read more
How do you graph the inequality with one variable? How do you isolate a variable in an inequality? To isolate the variable, subtract from both sides of the inequality. Then multiply by 3 so that the coefficient in front of the parentheses is 1. Then subtract 3 from both sides. What does a linear inequality … Read more
What is the size of the electron microscope? Optical microscopes allow us to look at objects as small as a millimeter (10-3 m) in size and as small as 0.2 μm (0.2 thousand millimeters or 2 x 10-7 m), while the most powerful electron microscopes allow us to see things as small as an atom … Read more
What does a stratovolcano look like? A stratovolcano is a tall, cone-shaped volcano consisting of a single layer of solid lava, tephra and volcanic ash. These volcanoes are characterized by an acute appearance and periodic eruptions. The lava that flows from it is very viscous, and it cools and solidifies before spreading very far. What … Read more
Why are the tides stronger? Often between 6-8 times a year, a new moon or full moon closely coincides in time with perigee – the point at which the moon is closest to the Earth. These events are often called an ‘oceanic spring tidal’. You guessed it: The gravitational force they exert is even stronger, … Read more
