| house is basically a structure that has been designed | | | | that they can grow radishes and conduct experiments |
| to capture and retain the heat from the sun. It is used | | | | on the radish plants during times of the year that are |
| to grow plants when the climate does not want to | | | | not normally conducive to gardening. Radish projects |
| cooperate. Greenhouses can be used in a number of | | | | can look at a number of things. For example, students |
| science fair projects and can be used to test | | | | can try to cross pollinate radishes with another root |
| concepts from a variety of fields of sciences including | | | | vegetable like carrots, they can attempt to grow |
| engineering, physics, botany and biology. | | | | radishes in sand or they can try to manipulate the size |
| Project #1 — Capturing Heat Energy | | | | of the radish by exposing the plant to 20 hours of light |
| In this project the students will be designing a | | | | per day. |
| greenhouse that captures heat energy from multiple | | | | Project #3 — Engineering Greenhouses |
| sources. They will be capturing heat energy from the | | | | For students that are interested in engineering, |
| sun and geothermal heat energy from the ground. This | | | | greenhouse science fair projects can be developed |
| project will require the student to learn about heat | | | | with an engineering focus. For example, students can |
| extraction techniques related to solar energy and | | | | try to develop a greenhouse using nothing but |
| geothermal energy. | | | | materials that are normally thrown out or recycled, |
| Sample hypotheses that can be tested with this | | | | such as cans, bottles and plastic containers. Students |
| project include: | | | | will not only need to design and build their greenhouse, |
| (1) The thickness of the plastic used for enclosing the | | | | but they will also need to test the effectiveness their |
| greenhouse impacts the amount of heat conservation | | | | greenhouse has in regards to collecting and conserving |
| in the greenhouse; | | | | heat energy. |
| (2) The opaqueness of the material used for enclosing | | | | Project #4 — Studying Solar Energy |
| the greenhouse impacts the amount of heat | | | | Applications |
| conservation in the greenhouse; | | | | The final project option will be an application project. |
| (3) The depth of the insulation on the floor of the | | | | Students will be learning about solar energy and how |
| greenhouse impacts the amount of geothermal heat | | | | to use this knowledge to harness the sun’s |
| conservation in the greenhouse. | | | | energy to heat a greenhouse. For this project students |
| Project #2 — Growing Radishes | | | | will design and build a greenhouse that maximizes the |
| In this project the student will build a greenhouse so | | | | energy delivered by the sun. |