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Ski Lifts and Simple Machines
Ski Lifts and Simple Machines
5002![](/Assets/img/blank.gif)
![Ski Lifts and Simple Machines screenshot](/Assets/img/blank.gif)
Lesson Materials
Student Exploration Sheet
Exploration Sheet Answer Key
Assessment Questions
Teacher Guide
Vocabulary Sheet
![Screenshot of Cell Energy Cycle Gizmo](/Assets/img/blank.gif)
Cell Energy Cycle
Explore the processes of photosynthesis and respiration that occur within plant and animal cells. The cyclical nature of the two processes can be constructed visually, and the simplified photosynthesis and respiration formulae can be balanced.
Learn Moreabout Cell Energy Cycle![Screenshot of Flower Pollination Gizmo](/Assets/img/blank.gif)
Flower Pollination
Observe the steps of pollination and fertilization in flowering plants. Help with many parts of the process by dragging pollen grains to the stigma, dragging sperm to the ovules, and removing petals as the fruit begins to grow. Quiz yourself when you are done by dragging vocabulary words to the correct plant structure.
Learn Moreabout Flower Pollination![Screenshot of Growing Plants Gizmo](/Assets/img/blank.gif)
Growing Plants
Investigate the growth of three common garden plants: tomatoes, beans, and turnips. You can change the amount of light each plant gets, the amount of water added each day, and the type of soil the seed is planted in. Observe the effect of each variable on plant height, plant mass, leaf color and leaf size. Determine what conditions produce the tallest and healthiest plants. Height and mass data are displayed on tables and graphs.
Learn Moreabout Growing Plants![Screenshot of Plants and Snails Gizmo](/Assets/img/blank.gif)
Plants and Snails
Study the production and use of gases by plants and animals. Measure the oxygen and carbon dioxide levels in a test tube containing snails and elodea (a type of plant) in both light and dark conditions. Learn about the interdependence of plants and animals.
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