A) Light Bulb B) Sun C) Rocket D) Moon
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 reflects off of her face B) Light refracts through her face C) Her face emanates light. D) Her face emits electromagnetic radiation
A) Refraction; reflection B) Ray; beam C) Natural source; unnatural source D) Wave; particle
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) Nothing happens to the chemical structure B) Water molecules break apart to form individual atoms. C) Water molecules melt into gas molecules D) Water molecules harden into ice molecules
A) Liquids are always denser than solids. B) Liquids don't have a fixed shape; solids do C) Liquids are made of atoms; solids are made of molecules D) Liquid molecules are lighter than solid molecules
A) It will remain a liquid B) It will boil and become a gas C) It will transpire D) It will solidify
A) Water is composed of hydrogen molecules and oxygen molecules B) Each water molecule contains two hydrogen atoms and one oxygen atom C) Water molecules cannot be split into smaller pieces D) A gram of water contains 20 hydrogen atoms
A) Both contain plasma B) Both contain all three states of matter C) Both have a fixed volume D) Both have no electrical charge
A) A cube B) A Sphere C) Whatever shape its container is D) A canyon ball
A) By increasing its volume B) By increasing its pressure C) By lowering its temperature D) By boiling it
A) At the North Pole B) In Wakanda C) In a Space Mountain D) In a science lab
A) Work B) Collide C) Crash D) Spread out
A) Anything that radiates light or heat B) Anything that travels in the form of a wave. C) Any object in motion. D) Anything that makes matter move or change.
A) A ball sitting on a table B) A ball sitting on the edge of a cliff C) A ball moving through the air. D) A ball buried underground.
A) Potential energy has to do with chemistry; kinetic energy has to do with physics. B) Kinetic energy has to do with chemistry; potential energy has to do with physics C) Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion. D) Potential energy is the energy of objects at rest; kinetic energy is the energy of objects in motion.
A) A ball that's been thrown into the air B) A ball sitting on a table C) A ball sitting on a mountaintop D) A ball resting on the ground
A) Stored energy B) Motion energy C) Kinetic 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 Lightning B) A Thunder C) The Sun D) The Moon
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 chemical energy B) They both have nuclear energy C) They both have light energy. D) They both have mechanical energy.
A) By atoms fusing together or splitting apart B) By burning fuel C) By chemicals mixing D) By moving turbines |