In this black holes worksheet, students use a formula for time dilation which causes delays in events that occur near the black hole. They solve 6 problems using the equation.

In this black holes and tidal forces worksheet, students solve 5 problems in which they find the tidal acceleration and answer questions about spaghettification.

In this black hole worksheet, students use the equation for time dilation to solve 8 problems including determining the time it takes to receive a GPS signal from space, the time delay for the GPS-Earth system, the distance a radio...

Carve out some time to learn about space-time. Young scientists use a remote learning resource to read up on the relationship between space and time. They consider the idea of relativity, see how objects with a large mass can bend space...

Here is an interesting resource which describes different kinds of wood and their uses. There is a table with six different types of furniture wood listed, and the number of worm holes found in each one. Based on the information in the...

Study the properties of soil and water absorption with a science activity. Based on a paragraph with background knowledge on sandy soil, silt, and clay soil, third graders choose which illustration represents a bottle full of sandy soil....

Take a walk through nature with a science experiment about leaves. Third graders use a branching diagram to group attributes of certain kinds of leaves, such as oak, pine, and chestnut. For extra practice, they can collect leaves and...

Harper Lee's classic tale of Scout Finch's experience with prejudice and racism, To Kill a Mockingbird, provides the text for a 23-clue crossword puzzle.

The question posed for the class to consider; What would decay and what would not? They read the short passage on decomposition and microbes, then mark the items that would decay after a two-week period. A scientific investigation idea...

An incredible interactive site with a wealth of well-organized information about black holes. Take a simulated journey to a black hole or try one of the interactive experiments in the Black Hole Encyclopedia to see if you can safely...

Use this site to find out what is a black hole in space and try an experiment.

Explore some of our most fundamental questions about space exploration with this research overview collected by scientists at the National Science Foundation. Additionally, experience deep space first-hand with telescope interactives.