Most / Most of thunderstorms happen at night. - False.  Most happen in the late afternoon, as the ground and air are warmest at that time of day., All the / All bones in our body continue to grow until we are 16, and then they stop growing. - False. Our bones continue growing until we are about 20., A snake can't see anything / nothing  when both its eyes are closed. - False. It can see through its eyelids., A new-born shark doesn't swim close to either / neither of its parents. - True. As soon as it's born it swims away so that the mother doesn't eat it., No / None of the footprints or tyre marks made on the moon are still visible today. - False. Footprints from the astronauts who landed on the moon in 1969 could be there forever because there is no wind to blow them away., Whales don't have no / any teeth. - False. Some types of whales do have teeth, for example, dolphins., If a child's parents  the both / both have blue eyes, it is impossible for the child to have brown eyes. - False. It is not common, but possible if both parents carry the brown-eye gene., Almost none / no wild birds sing during the summer. - True. Birds usually sing during spring and early summer to establish a territory and attract a mate. By the middle of summer most birds have already mated, so there is no need for them to sing., Every / All the time we sneeze, our heart stops for one second. - False. Although it feels as if your heart stops for a moment, it's really just a change in pressure in your chest., Most / Most of  fruit and vegetables (but not all) contain vitamin C. - False. All fruit and vegetables contain some vitamin C. The highest amounts can be found in citrus fruits, kiwi, broccoli, and green and red peppers., Children grow more quickly in the summer than no / any other season. - False. Children tend to grow a bit faster in the spring than during other times of the year. In most children, weeks or months of slow growth alternate with periods when they grow more quickly and suddenly. , Neither dogs or / nor cats should be given cow's milk to drink. - True. Neither of them have systems that can break down lactose, a chemical found in some types of milk.,


Flash cards is an open-ended template. It does not generate scores for a leaderboard.

Visual style


Switch template

Continue editing: ?