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