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