A) Moon B) Rocket C) Light Bulb D) Sun
A) Different materials physically twist light around. B) Light travels through different materials at different speeds C) Different colors of light travel at different speeds. D) Light from different sources travels at different rates
A) Light reflects off of her face B) Her face emanates light. C) Her face emits electromagnetic radiation D) Light refracts through her face
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 are made of atoms; solids are made of 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) Each water molecule contains two hydrogen atoms and one oxygen atom B) Water molecules cannot be split into smaller pieces C) A gram of water contains 20 hydrogen atoms D) Water is composed of hydrogen molecules and oxygen molecules
A) Both contain plasma B) Both have a fixed volume C) Both have no electrical charge D) Both contain all three states of matter
A) Whatever shape its container is B) A cube C) A Sphere D) A canyon ball
A) By lowering its temperature B) By increasing its volume C) By increasing its pressure D) By boiling it
A) In a Space Mountain B) At the North Pole C) In Wakanda D) In a science lab
A) Crash B) Spread out 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 sitting on the edge of a cliff B) A ball moving through the air. C) A ball sitting on a table D) A ball buried underground.
A) Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion. B) Potential energy has to do with chemistry; kinetic energy has to do with physics. C) Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion. D) Kinetic energy has to do with chemistry; potential energy has to do with physics
A) A ball sitting on a mountaintop B) A ball that's been thrown into the air C) A ball resting on the ground D) A ball sitting on a table
A) Motion energy B) Light energy C) Stored energy D) Kinetic energy
A) You wouldn´t be able to fly B) You wouldn't be able to think C) You wouldn't be able to move D) You wouldn't be able to sleep
A) The Moon B) A Thunder C) The Sun 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 nuclear energy C) They both have chemical energy D) They both have light energy.
A) By atoms fusing together or splitting apart B) By moving turbines C) By burning fuel D) By chemicals mixing |