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Someone had a problem at level 3. Hazard pictograms (Match pairs) .
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Practice the hazard symbols found on chemical products. What does the pictogram mean?
Instructions for Hazard pictograms
All hazardous chemical products must be clearly marked with a hazard symbol (also called a hazard pictogram or warning symbol) and risk and protection information in most countries including the EU and US. The label informs of damage that can occur during use.
Practice what the danger symbols stated in GHS hazard pictograms mean and pair the image together with the correct description. Hazard pictograms are one of the key elements for the labelling of containers under the GHS. These pictograms are the same as those recommended in the UN Recommendations on the Transport of Dangerous Goods, widely implemented in national regulations such as the U.S. Federal Hazardous Materials Transportation Act.
Level 1
Multiple choice - On each level you will get up to ten questions with or without images, video and audio tracks. For each question you will get two or three possible answers. Only one of these is correct. It's up to you to find the right answer. If you guess incorrectly, you may try again, but you will not get any knowledge points for that round.Level 2
Questions with text answers - On each level you will get up to ten questions with or without images, videos and audio files. You must type the correct answer by yourself. If you make a mistake, you get to try again until you find the searched word or phrase. Once you figure out the correct answer, you will get knowledge points. If you're having trouble figuring out the correct answer, you can click on the button labelled 'Give Up'. It will reveal the correct answer, but you will not get any knowledge points for that round.The game creator may have allowed you to get feedback on your typing. If so, the textbox, where you type your answer, will turn red or green as you type. The game creator has also decided if the answer is case sensitive, ie if it is important that you type in correct case. Both of these settings may vary between the levels, which you'll be noticed of when you play a level. You may misspell a maximum of three times per question. On your fourth misspelling, the question will be classified as incorrectly answered.
Level 3 to 4
Memory - Find the two cards that belongs to each other. Sometimes it's the same card and sometimes there are different cards that belong together, which depends on how this memory was created. The game is finished when all card pairs have been found and the memory has no more cards left.Calculation of knowledge points
Each completed game level gives 1 knowledge point in Hazard pictograms. The maximum number of points (4 knowledge points) is achieved when you pass all 4 levels. You'll get a bronze medal when you complete a level 2 times and a silver medal after 5 completed rounds. A gold medal will be received after 10 completed rounds. In Hazard pictograms, the maximum number of collectable gold medals is 4. You only earn knowledge points for levels that has not been cleared before. A cleared level has a green background above. Even when you have completed a level, you can continue practicing at that level, but it gives you no more knowledge points.Additional game information
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