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