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100

Another word for burning 

combustion

100

reflection

bouncing back of light

100

temperature at which liquid becomes a gas ? point 

boiling point

100

temperature at which liquid becomes a solid ? point 

freezing point

100

temperature at which a solid becomes a liquid ? point 

melting point 

100

Poisonous fish

Stonefish 

200

plant eating animals

herbivores

200

what does fuel need in order to burn?

oxygen

200

refraction

bending of light

200

objects that makes its own light

luminous

200

animal that eats mostly meat

carnivore

200

Mollusks with two shells 

Bivalve

300

uranium

source of nuclear power 

300

mercury 

liquid at room temperature 

300

wing-footed

pinniped 

300

force that causes electrically charged objects to either attract or repel each other 

electricity 

300

blending in to surroundings 

camouflage

300

Small crustacean 

Shrimp 

400

 light passes straight through an object 

Transparent 

400

amount of matter in any object 

mass

400

attraction that exists between any pair of objects 

gravity

400

nymph

immature insect that looks like an adult

400

geode

looks like a mudball

400

The ability to do work

Energy 

500

Potential energy 

Stored energy 

500
Energy that is released when atoms are split or joined together 

Atomic 

500

Devices that convert energy from natural sources into work 

Engines

500

Energy of motion 

Kinetic energy 

500

Result of a force moving an object 

Work

500

Moving from place to place with the changing of seasons 

Migrating

600

What does an engine turn that pulls that airplane through the air? 

Propeller 

600

 transfer of energy

 when one object gives some or all of its energy to another objects 

600

the higher the ? number of gas, the better the antiknock quality

Octane

600

what are reefs made from?

coral polyps 

600

mammal that looks like a fish 

whale

600

The smallest part of a substance that still has all the qualities of a substance 

Molecules

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