3 games from the Inventions Through Time simulation: Old or New?, Find the Machine, Then and Now. Each one has a Warm up, Explorer and Expert level.
Put the inventions in order, oldest first. Drag the cards into the boxes in the right order, then press Check. You have 2 tries for each one.
Which simple machine is inside? Drag each card to its partner – or tap a card, then tap its partner. You have 2 tries for each one.
Link the past to today. Read the question, think, then tap your answer. You have 2 tries for each one.