A) Sun B) Light Bulb C) Rocket D) Moon
A) Light travels through different materials at different speeds B) Different colors of light travel 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) Her face emanates light. D) Light refracts through her face
A) Wave; particle B) Natural source; unnatural source C) Ray; beam D) Refraction; reflection
A) Anything that can be seen B) Anything that has a fixed volume C) Anything that takes up space D) Anything that is solid
A) Water molecules break apart to form individual atoms. B) Water molecules harden into ice molecules C) Water molecules melt into gas molecules D) Nothing happens to the chemical structure
A) Liquids are made of atoms; solids are made of molecules B) Liquids are always denser than solids. C) Liquid molecules are lighter than solid molecules D) Liquids don't have a fixed shape; solids do
A) It will remain a liquid B) It will transpire C) It will solidify D) It will boil and become a gas
A) A gram of water contains 20 hydrogen atoms B) Each water molecule contains two hydrogen atoms and one oxygen atom C) Water is composed of hydrogen molecules and oxygen molecules D) Water molecules cannot be split into smaller pieces
A) Both contain plasma B) Both have no electrical charge C) Both contain all three states of matter D) Both have a fixed volume
A) A Sphere B) A canyon ball C) A cube 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 Wakanda B) In a science lab C) At the North Pole D) In a Space Mountain
A) Crash B) Spread out C) Collide D) Work
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 the edge of a cliff B) A ball buried underground. C) A ball sitting on a table 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 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) Kinetic energy B) Light energy C) Motion energy D) Stored energy
A) You wouldn´t be able to fly B) You wouldn't be able to move C) You wouldn't be able to think D) You wouldn't be able to sleep
A) The Moon B) The Sun C) A Lightning D) A Thunder
A) Solar energy can be used to power people's homes B) Power plants and batteries supply us with electrical energy C) Kinetic energy is the energy of motion D) Chemical energy is the most important source of energy
A) They both have mechanical energy. B) They both have light energy. C) They both have chemical energy D) They both have nuclear energy
A) By burning fuel B) By atoms fusing together or splitting apart C) By chemicals mixing D) By moving turbines |