Index of Problem Titles by Approximate Grade Band
Grades 3 to 5
Fun with Gears and Fractions
RBSP - A New Belt for the Van Allen Belts!
Hinode Observes a Solar Eclipse From Space
Curiosity -Telling Time on Mars
SDO-Solar Flares and the Stormy Sun Working with Areas of Rectangles and Circles
Grades 6 to 8
Landsat - Exploring Water Use in Kansas
RBSP Spacecraft Hears Dawn Chorus in Space - I
RBSP Spacecraft Hears Dawn Chorus in Space - II
RBSP Spacecraft Hears Dawn Chorus in Space - III
SDO Sees Coronal Rain - Estimating Plasma Speed
A Mathematical Model of Magnetic Field Lines - I
A Mathematical Model of Magnetic Field Lines - II
InSight � The Seismographic Station - Wave Arrival Times
Planck Mission Sees Ancient Universe Clearly
Curiosity Discovers an Ancient Mars River - Elementary
Hubble Extreme Deep Field - Counting Galaxies
Grail Spacecraft Create New Craters on the Moon
Space-X Exploring the Launch of the Falcon 9
Fermi Observatory and the Origin of Cosmic Rays
The Frequency of Large Meteorite Impacts
Kepler - Alpha Centauri Bb - A Nearby Extrasolar Planet
Curiosity Rover on the Move!
Curiosity - Exploring Gale Crater
Hubble - The Expanding Gas Shell of U Camelopardalis
Exploring Density, Mass and Volume Across the Universe
Hubble - A Distant Supernova Remnant Discovered
Landsat - NASA Satellite Takes Pictures of the Salton Sea
Scheduling Events in Time for Launch
Exploring a Possible InSight Landing Area on Mars
Comparing the InSight Landing Area to a City Block!
Exploring Temperature Change in Earth's Outer Crust
Exploring the InSight Lander Telemetry Data Flow
Seeing the Martian Surface with IDC
Telling Time on Mars - Earth Days and Mars Sols
The InSight Seismographic Station Solar Power System
The Work Area In Front of the Lander
Solar Electricity for a New Spacecraft
Investigating Juno's Elliptical Transfer Orbit
The Launch of the Juno Spacecraft
The Launch of the Juno Spacecraft - Ascent to Orbit
The MMS Satellites and Solar Power
Some Facts About the MMS Atlas Rocket
Launching the MMS Satellite Constellation into Orbit
The MMS Launchpad at Cape Canaveral
Stacking Four MMS Satellites Inside the Atlas Nosecone
Volume and Surface Area of an Octagonal MMS Satellite
The MMS Payload Up Close
The Acceleration Curve for the MMS Launch
The Orbit of the MMS Satellite Constellation
The RBSP Satellite - Working with Octagons
Radiation Belts Storm Probes - Telemetry Math
Exploring Gas Density in Space
Electricity from Sunlight
Exploring the Outer Atmosphere - Gas Density
Graphing a Snowflake Using Symmetry
The Surface Area of a Snowflake
Snowflake Growth Rates and Surface Area
Snow to Water Ratios
Snow Density and Volume
Snow Density, mass and Roof Failure
Exploring Energy and Temperature
Exploring Temperature and States of Matter
What is a Snowball's Chance on Mars?
Grades 9 to 12
Chandra - Giant Gas Cloud in System NGC 6240
Fermi - The Remarkable Gamma Ray Burst GRB 130427A
Hubble - Exploring the Most Distant Galaxies
Grail Satellites Create a Gravity Map of the Moon
Curiosity Uses X-Ray Diffraction to Identify Minerals
Hubble - An Enormous Stellar Spiral Pattern in Space
Curiosity Discovers an Ancient Martian River - Advanced
Hubble - Pluto's Fifth Moon
The Radioactive Dating of a Star in the Milky Way
Marsquake Energy and the Moment Magnitude Scale
Exploring Logarithms and the Richter Magnitude Scale
The Distance to the Martian Horizon
Exploring the Interior of Mars with Spheres and Shells
Exploring the Mass of Mars
Exploring Impacts and Quakes on Mars
Comparing the Heat Output of Mars and Earth
Exploring Heat Flow and Insulation
Radio Communications with Earth -The Earth-Sun Angle
Estimating the Mass of a Martian Dust Devil!
The InSight Seismographic Station - Wave arrival times
Solar Energy and the Distance of Juno from the Sun
The Speed of the Juno Spacecraft
Investigating the Elliptical orbit of Juno Around Jupiter
Investigating the Radiation Belts Around Jupiter
The Orbit of the MMS Satellite Constellation - Advanced
Measuring the Mass of Earth with the RBSP Satellites
Exploring the Donut-Shaped van Allen Belts
Estimating the Total Mass of the van Allen Belts
Measuring Earth's Magnetic Field in Space
Exploring the Density of Gas in the Atmosphere
How Clouds Form - Working with Rates of Change
Cloud Cover and Solar Radiation
Cloud Cover, Albedo, Transmission and Opacity
Calculus:
The Close Encounter to te Sun of Barnards Star
The Volume of a Lunar Impact Crater
How to Grow a Planet or a Raindrop!
A Mathematical Model of a Magnetic Field Line - III