True or False: Humans breathe in carbon dioxide and release oxygen.
Choose 1 answer
{"type":"multi-choice","id":"73068","dataJson":{"key":2,"prompt":"True or False: Humans breathe in carbon dioxide and release oxygen.","options":[{"key":"0.4680413686884993","label":"True","value":"True"},{"key":"0.4840361981468637","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["False"]}}
Which of these is a compound and what is an element?
Once you've answered, can you work out the difference between an element and a compound?
Drag the images into the correct place.
Element
Compound
oxygen
bromine
nitrogen
carbon dioxide
hydrochloric acid
ammonia
{"type":"image-bucket","id":"73069","dataJson":{"prompt":"Which of these is a compound and what is an element?\n\nOnce you've answered, can you work out the difference between an element and a compound?","buckets":[{"key":"0.09354737439440408","name":"element","old_key":"element"},{"key":"0.42693580050942803","name":"compound","old_key":"compound"}],"options":[{"key":"0.667181869411888","label":"oxygen","value":"oxygen","bucket":"0.09354737439440408","fileboyId":"73a19465-8047-44e6-871d-9278feb718fc"},{"key":"0.9830940337381611","label":"bromine","value":"bromine","bucket":"0.09354737439440408","fileboyId":"7a382657-ab20-447c-8cd3-fb49e23d9a0a"},{"key":"0.9850225013145232","label":"nitrogen","value":"nitrogen","bucket":"0.09354737439440408","fileboyId":"70ccfb81-75e1-442e-9581-0b4c3c212bc6"},{"key":"0.9971025254722757","label":"carbon dioxide","value":"carbon dioxide","bucket":"0.42693580050942803","fileboyId":"88b3da78-6843-429b-bdd1-ac03ccbb847a"},{"key":"0.4396348230723234","label":"hydrochloric acid","value":"hydrochloric acid","bucket":"0.42693580050942803","fileboyId":"d66104fd-0a72-426a-aa6e-19e9670ff655"},{"key":"0.006587309505323491","label":"ammonia","value":"ammonia","bucket":"0.42693580050942803","fileboyId":"4ac4bfca-2b67-4654-a36e-a2ec37a0bd67"}]}}
Which of these describes carbon dioxide? (choose all that apply)
Choose 3 answers
{"type":"multi-choice","id":"73070","dataJson":{"key":12,"prompt":"Which of these describes carbon dioxide? (choose all that apply)","options":[{"key":"0.16342119157223867","label":"clear","value":"clear"},{"key":"0.6934352712460038","label":"opaque","value":"opaque"},{"key":"0.9521863653674343","label":"smelly","value":"smelly"},{"key":"0.6732544205138332","label":"colourless","value":"colourless"},{"key":"0.6279929299681649","label":"odourless","value":"odourless"}],"limitChoices":{"max":3,"min":3},"validResponse":["clear","colourless","odourless"]}}
Which of these is the best description of a compound?
Choose 1 answer
{"type":"multi-choice","id":"73071","dataJson":{"key":14,"prompt":"Which of these is the best description of a compound?","options":[{"key":"0.017894909116043634","label":"A substance formed when two or more elements are bonded together.","value":"A substance formed when two or more elements are bonded together."},{"key":"0.9257102583189096","label":"A substance formed when explosions occur.","value":"A substance formed when explosions occur."},{"key":"0.10232561686194652","label":"A substance formed by burning liquids.","value":"A substance formed by burning liquids."},{"key":"0.7004692595343937","label":"Where a liquid changes to a solid.","value":"Where a liquid changes to a solid."}],"limitChoices":{"max":1,"min":1},"validResponse":["A substance formed when two or more elements are bonded together."]}}
Which of these combinations makes up water?
Choose 1 answer
{"type":"multi-choice","id":"73072","dataJson":{"key":15,"prompt":"Which of these combinations makes up water?","options":[{"key":"0.159786752151176","label":"One hydrogen and two oxygen.","value":"One hydrogen and two oxygen."},{"key":"0.7192089981899035","label":"Two hydrogen and one oxygen.","value":"Two hydrogen and one oxygen."},{"key":"0.7232682327038163","label":"One hydrogen and one oxygen.","value":"One hydrogen and one oxygen."},{"key":"0.515934080726483","label":"Two hydrogen and two oxygen.","value":"Two hydrogen and two oxygen."}],"limitChoices":{"max":1,"min":1},"validResponse":["Two hydrogen and one oxygen."]}}
Answer incorrect
Look at the slide below to work out the answer.
Stay connected
Join our newsletter to stay up to date on features and releases
Address
Developing Experts Limited Exchange Street Buildings 35-37 Exchange Street Norwich NR2 1DP UK