The activities are as follows: Weeds in agricultural fields cost farmers $28 billion per year in just the United States alone. When fields are full of weeds the crops do not grow as well. Sometimes weeds even grow better than the crops in the same field. This may make you wonder, how do weeds grow so
Data Nugget
Hold on for your life! Part II
In Part I the data showed that, after the hurricanes, anole lizards had on average smaller bodies, shorter legs, and larger toe pads. The patterns were clear and consistent across the two islands, indicating that these traits are adaptations shaped by natural selection from hurricanes. At this point, however, Colin was still not convinced because
Hold on for your life! Part I
The activities are as follows: On the Caribbean islands of Turks and Caicos, there lives a small brown anole lizard named Anolis scriptus. The populations on two small islands, called Pine Cay and Water Cay, have been studied by researchers from Harvard University and the Paris Natural History Museum for many years. In 2017, Colin, one of the
All washed up? The effect of floods on cutthroat trout
The activities are as follows: Streams are tough places to live. Fish living in streams have to survive droughts, floods, debris flows, falling trees, and cold and warm temperatures. In Oregon, cutthroat trout make streams their home. Cutthroat trout are sensitive to disturbances in the stream, such as pollution and sediment. This means that when trout
Can biochar improve crop yields?
The activities are as follows: Teacher Guide Student activity, Graph Type A, Level 3 Student activity, Graph Type B, Level 3 Student activity, Graph Type C, Level 3 PowerPoint of images Grading Rubric If you walk through the lush Amazon rainforest, the huge trees may be the first thing you see. But, did you know there
Beetle, it’s cold outside!
The activities are as follows: Teacher Guide Student activity, Graph Type A, Level 2 Student activity, Graph Type B, Level 2 Student activity, Graph Type C, Level 2 PowerPoint of images and chill coma video Grading Rubric Digital Data Nugget on DataClassroom Éste Data Nugget también está disponible en Español: Actividad para estudiantes, Tipo de gráfica
Alien life on Mars – caught in crystals?
The activities are as follows: Teacher Guide Student activity, Graph Type A, Level 2 Student activity, Graph Type B, Level 2 Student activity, Graph Type C, Level 2 PowerPoint of images Grading Rubric Is there life on other planets besides Earth? This question is not just for science fiction. Scientists are actively exploring the possibility of
Clique wars: social conflict in daffodil cichlids
The activities are as follows: Teacher Guide Student activity, Graph Type A, Level 4 Student activity, Graph Type B, Level 4 Student activity, Graph Type C, Level 4 Grading Rubric Digital Data Nugget on DataClassroom Have you ever thought about what it would be like to live completely alone, without contact with other people? Nowadays, humans are
Tree-killing beetles
The activities are as follows: Teacher Guide Student activity, Graph Type A, Level 2 Student activity, Graph Type B, Level 2 Student activity, Graph Type C, Level 2 Grading Rubric A beetle the size of a grain of rice seems insignificant compared to a vast forest. However, during outbreaks the number of mountain pine beetles can
Are forests helping in the fight against climate change?
The activities are as follows: Teacher Guide Student activity, Graph Type A, Level 3 Student activity, Graph Type B, Level 3 Student activity, Graph Type C, Level 3 PowerPoint of images and diagrams Grading Rubric Digital Data Nugget on DataClassroom As humans drive cars and use electricity, we release carbon in the form of carbon dioxide