It's time to test your middle school science knowledge! Clouds, photosynthesis, ecosystems... we vaguely remember learning about these things, but it's definitely been a few years. Were you paying attention when your teachers went over these topics? Find out just how much you remember from science class by taking this quiz about the environment!
So you've probably heard of biofuels, because people are talking about the topic a lot lately in relation to climate change and environmental issues. And you might have some idea about the difference between biofuels and fossil fuels. But beyond that, how much do you really know about them? Take the quiz to find out!
Marijuana is constantly in the news these days, so we're sure you have at least some general knowledge about it. But just how high does your knowledge go? Are you an expert, or is there more that you could learn? Go ahead and test yourself with this quiz!