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