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