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