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The science club _____ a rocket into the air. a) scientific scientific b) launchedlaunched c) anchoredanchored d) particlesparticles

launched – verb – sent off or started in motion Next Question

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The crew is lucky they _____ the boat to a rock because the sudden storm would have blown them far from shore. a) inflateinflate b) scientific scientific c) launchedlaunched d) anchoredanchored

anchored – verb – being held in place by a heavy metal device or object Next Question

Tiny ______ connect together to make up solid objects. a) launchedlaunched b) anchoredanchored c) particlesparticles d) companion companion

particles – plural noun – small bits or pieces of an element Next Question

A dog can be a good ______ for a lonely person. a) companioncompanion b) densedense c) hydrogenhydrogen d) inflateinflate

companion – noun – a person or animal who keeps somebody company Next Question

The smoke was very ____, making it difficult for firefights to see. a) anchored anchored b) particlesparticles c) companioncompanion d) densedense

dense – adjective – packed closely together Next Question

Today in class we learned that _____ was used in early balloons because it was the lightest element. a) particlesparticles b) companioncompanion c) hydrogenhydrogen d) densedense

hydrogen – noun – a gas that has no odor, color or taste and burns easily Next Question

The air pump at the gas station will _____ the front tires. a) densedense b) inflateinflate c) hydrogenhydrogen d) scientificscientific

inflate – verb – to cause to swell by filling with air or gas Next Question

The _______ discovery of gravity changed the way people thought about Earth. a) scientificscientific b) hydrogenhydrogen c) launchedlaunched d) inflateinflate

scientific – adjective – having to do with or used in science Next Question

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