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