Did You Know That Without Photosynthesis, Earth would Be Devoid of Life? Are you curious about how plants produce their own food? Our printable worksheets on photosynthesis for students in grades 3-7 will help you answer these questions and many more. These worksheets include vibrant charts that illustrate the photosynthesis process and the equation of photosynthesis. They also contain precise definitions of key terms and activities such as label the process, complete a paragraph, distinguish between light and darkness reactions, and more. These photosynthesis worksheets are free and well worth the effort!