To see how familiar you are with the information, try the quiz or testing activity. If you placed seven or more cards in the Don`t know box, click Repeat to try those cards again. If you accidentally put the card in the wrong box, just click on the card to take it out of the box. Use these memory cards to store information. Look at the big map and try to remember what`s on the other side. Then click on the card to return it. If you know the answer, click the Knowledge green box. Otherwise, click the red Don`t know box. You can also move the cards with your keyboard as follows: If you need a break, try one of the other activities listed under memory cards, such as Matching, Snowman, or Hungry Bug. Although you feel like you`re playing a game, your brain is always making more connections with the information to help you.