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