Simulate bicycle, cart, and wagon structures with adjustable wheel sizes. Adjust wheel dimensions to match each structure for accurate movement. Test mechanical relationships between wheel size and structural design.
Star balls horizontally to create matches of three or more same-colored stars. Use a rotation button to resolve deadlocks. Erase stars to accumulate star power and save a star.
Use a virtual microscope to examine samples and identify tissue types. Cut samples from succulent, onion, celery, and elodea plants. Recognize xylem, phloem, sclerenchyma, collenchyma, parenchyma, apical , stomata, and cuticle.
