A) Light Bulb B) Moon C) Sun D) Rocket
A) Light from different sources travels at different rates B) Different materials physically twist light around. C) Different colors of light travel at different speeds. D) Light travels through different materials at different speeds
A) Light reflects off of her face B) Her face emits electromagnetic radiation C) Light refracts through her face D) Her face emanates light.
A) Refraction; reflection B) Wave; particle C) Ray; beam D) Natural source; unnatural source
A) Anything that has a fixed volume B) Anything that can be seen C) Anything that takes up space D) Anything that is solid
A) Water molecules harden into ice molecules B) Water molecules break apart to form individual atoms. C) Nothing happens to the chemical structure D) Water molecules melt into gas molecules
A) Liquids are always denser than solids. B) Liquids are made of atoms; solids are made of molecules C) Liquids don't have a fixed shape; solids do D) Liquid molecules are lighter than solid molecules
A) It will remain a liquid B) It will boil and become a gas C) It will solidify D) It will transpire
A) Each water molecule contains two hydrogen atoms and one oxygen atom B) Water is composed of hydrogen molecules and oxygen molecules C) A gram of water contains 20 hydrogen atoms D) Water molecules cannot be split into smaller pieces
A) Both have a fixed volume B) Both contain plasma C) Both have no electrical charge D) Both contain all three states of matter
A) A cube B) A canyon ball C) Whatever shape its container is D) A Sphere
A) By increasing its volume B) By boiling it C) By lowering its temperature D) By increasing its pressure
A) In a Space Mountain B) At the North Pole C) In Wakanda D) In a science lab
A) Collide B) Spread out C) Work D) Crash
A) Anything that makes matter move or change. B) Anything that travels in the form of a wave. C) Anything that radiates light or heat D) Any object in motion.
A) A ball sitting on the edge of a cliff B) A ball buried underground. C) A ball sitting on a table D) A ball moving through the air.
A) Kinetic energy has to do with chemistry; potential energy has to do with physics B) Potential energy has to do with chemistry; kinetic energy has to do with physics. C) Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion. D) Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion.
A) A ball that's been thrown into the air B) A ball sitting on a table C) A ball resting on the ground D) A ball sitting on a mountaintop
A) Motion energy B) Light energy C) Kinetic energy D) Stored energy
A) You wouldn't be able to move B) You wouldn't be able to sleep C) You wouldn´t be able to fly D) You wouldn't be able to think
A) The Moon B) The Sun C) A Thunder D) A Lightning
A) Solar energy can be used to power people's homes B) Kinetic energy is the energy of motion C) Power plants and batteries supply us with electrical energy D) Chemical energy is the most important source of energy
A) They both have mechanical energy. B) They both have light energy. C) They both have nuclear energy D) They both have chemical energy
A) By moving turbines B) By chemicals mixing C) By atoms fusing together or splitting apart D) By burning fuel |