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