A) Rocket B) Moon C) Light Bulb D) Sun
A) Different materials physically twist light around. B) Different colors of light travel at different speeds. C) Light from different sources travels at different rates D) Light travels through different materials at different speeds
A) Her face emits electromagnetic radiation B) Her face emanates light. C) Light refracts through her face D) Light reflects off of her face
A) Natural source; unnatural source B) Refraction; reflection C) Ray; beam D) Wave; particle
A) Anything that takes up space B) Anything that can be seen C) Anything that has a fixed volume D) Anything that is solid
A) Water molecules break apart to form individual atoms. B) Water molecules harden into ice molecules 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) Liquid molecules are lighter than solid molecules D) Liquids don't have a fixed shape; solids do
A) It will solidify B) It will transpire C) It will remain a liquid D) It will boil and become a gas
A) Water molecules cannot be split into smaller pieces B) A gram of water contains 20 hydrogen atoms C) Water is composed of hydrogen molecules and oxygen molecules D) Each water molecule contains two hydrogen atoms and one oxygen atom
A) Both have no electrical charge B) Both have a fixed volume C) Both contain all three states of matter D) Both contain plasma
A) Whatever shape its container is B) A cube C) A canyon ball D) A Sphere
A) By lowering its temperature B) By increasing its volume C) By increasing its pressure D) By boiling it
A) In a science lab B) In a Space Mountain C) In Wakanda D) At the North Pole
A) Collide B) Crash C) Work D) Spread out
A) Anything that radiates light or heat B) Anything that travels in the form of a wave. C) Anything that makes matter move or change. D) Any object in motion.
A) A ball sitting on the edge of a cliff B) A ball sitting on a table C) A ball moving through the air. D) A ball buried underground.
A) Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion. B) Kinetic energy has to do with chemistry; potential energy has to do with physics C) Potential energy has to do with chemistry; kinetic energy has to do with physics. D) Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion.
A) A ball sitting on a table B) A ball resting on the ground C) A ball sitting on a mountaintop D) A ball that's been thrown into the air
A) Light energy B) Stored energy C) Motion energy D) Kinetic energy
A) You wouldn't be able to move B) You wouldn´t be able to fly C) You wouldn't be able to think D) You wouldn't be able to sleep
A) A Thunder B) The Sun C) The Moon D) A Lightning
A) Chemical energy is the most important source of energy B) Solar energy can be used to power people's homes C) Kinetic energy is the energy of motion D) Power plants and batteries supply us with electrical energy
A) They both have chemical energy B) They both have mechanical energy. C) They both have light energy. D) They both have nuclear energy
A) By moving turbines B) By burning fuel C) By chemicals mixing D) By atoms fusing together or splitting apart |