Primary english Plus – Science Fun – Sec 1- Exercise 4 : Comprehension Answer the following 1. What do magnets attract? Plastic and glass Iron and nickel None 2. Why are plants important for life on Earth? They produce oxygen. They provide us with food. None 3. How do plants make their own food? They use water and sunlight. They use carbon dioxide and oxygen. None 4. What do scientists study to understand how magnets work? Magnets Animals None 5. What do astronomers study with telescopes? Stars and planets Oceans None 6. What force is responsible for the attraction of magnets to certain metals? Gravity Magnetism None 7. How do astronomers observe distant objects in space? With telescopes With binoculars None 8. What process is responsible for plants producing oxygen? Respiration Photosynthesis None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.