Romans wore togas and other questions about Rome / I wonder why.Romans wore togas and other questions about Rome / Horses wear shoes and other questions about horses / I wonder why romans wore togas and other questions about ancient rome Columbus crossed the ocean and other questions about explorers / Soap makes bubbles and other questions about science / Leaves change color and other questions about plants Zippers have teeth and other questions about inventions / I wonder why.I sleep and other questions about my body / I wonder why stars twinkle and other questions about space /