Fact 1: Adult echinoderms have radial symmetry. Fact 2: Modern echinoderms include starfish and sea urchins. Given the two facts above, what has radial symmetry?
OPTIONS:
- sea urchins
- A Greek letter
- humans
- Most plants
- peachleaf willow
- catfish
- gastropod shells
- ducks
sea urchins
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Fact 1: When a cooler object touches a warmer object , thermal conduction occurs. Fact 2: Thermal conduction removes heat from the center. Given the two facts above, when a cooler object touches a warmer object it?
OPTIONS:
- electrically
- flow of electrons
- heat energy
- energizes molecules
- breaks down particles
- solid, liquid, gas
- removes heat
- enables magnetism
removes heat
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Fact 1: Loud noises can cause animals to startle. Fact 2: An injured animal can be very dangerous. Given the two facts above, what can loud noises be?
OPTIONS:
- a chime
- kinetic
- sound
- supersonic
- mechanical
- Pollution
- dangerous
- threatened
dangerous
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Fact 1: Microbial fuel cells convert chemical energy into electrical energy. Fact 2: Electrical energy refers to energy associated with the flow of electrons. Given the two facts above, what do microbial fuel cells convert chemical energy into?
OPTIONS:
- rays or beams
- transportation technology
- Deoxyribonucleicacid
- flow of electrons
- hydrogen and oxygen
- deoxyribonucleic acid
- an engine
- heating liquids
flow of electrons
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