Vocabulary#3, #4, #5, #6, #7, #8, #9, #10, #11, #12, #13

Vocabulary #2

1-Prism: A cut piece of clear glass (or plastic) with two opposite sides in the shape of a triangle or other geometric shape.

2-Spectrum: A band of colors produced when light goes through a prism.



3- Primary Color: Red, green, or blue; mixing these colors can produce all the colors of the spectrum.



4-Primary Pigment: Magenta, cyan, yellow; material with any of these colors absorbs one primary color or light and reflects the other two.

Vocabulary #4

1-Electromagnetism: The production of magnetism by electricity and the production electricy by magnets.

2- Electromagnetic Spectrum: All the wavelengths of visible and invisible light in order from short (gamma rays) to long (radio).

3- Laser: A device that produces a thin stream of light of just a few close wavelengths.

Vocabulary #5

 

1-Mass: The amount of matter in an object.

 2-Volume:The amount of space an object take up.

3-Weight: (on Earth) a measure of the force of gravity between Earth and an object.

4-Density: A measure of how tightly packed matter is; the amount of mass contained in a given volume.

5-Buoyancy: The upward push on an object by the liquid (or gas) the object is placed in.

6-Conduct: Allow heat or electricity to flow through readily.

7-Insulate: Not allow heat or electricity to flow through readily.

Vocabulary # 6

1-Element: A basic building block of matter; a pure substance that cannot be broken down into anything simpler.



2-Compound: A chemical combination of two or more elements into a single substance.

3- Atom: The smallest unit of an element that still has the properties of the element.

 

4-Proton: A particle with a positive charge in the nucleus of an atom.



5-Neutron: An uncharged particle in the nucleus of an atom.



6-Electron: A particle with a negative charge moving around the nucleus of an atom.



7-Nucleus: The dense center part of an atom.

8-Molecule: A group of more than one atom joined together that acts like a single particle.

Vocabulary # 7

1-Mixture:Two or more parts blended together yet keeping their own properties and not turning into a new substance.

2- Solution: A mixture in which substances are completely blended so that the properties are the same throughout and the substances stay blended.



3-Suspension: A mixture of substances that separate upon standing.



4-Colloid: Particles (or droplets) large enough to block out light spread throughout another substance.

5-Emulsion: A liquid spread through another liquid.

6-Aerosol: Liquid drops or solid particles spread through a gas.



7- Gel: A solid spread through a liquid.



8- Foam: A gas spread through a liquid or solid.

Vocabulary # 8

1-Physical Change: A change in size, shape, or state, without forming a new substance.



2- Chemical Change: A charge in matter that produces a new substance with different properties from the original.



3-Chemical Reaction: A chemical change of original substances into one or more new substances.

4-Reactant: One of the original substances before a chemical reaction takes place.

5-Product: One of the new substances produced when a chemical reaction takes place.

Vocabulary # 9

 

1-Kinetic Energy: The energy of a moving object.

2-Potential Energy: Energy stored in a object or material.

3-Conduction: Movement of energy from a hot object that comes into contact with a cooler object; the material remains in place.

4-Convection: Movement of energy by the flow of matter from place to place.

5-Radiation: Movement of energy in the form of waves that can travel through empty space.

6-Wet Cell Battery: A battery containing liquid solution that produces the electric current.

7-Dry Cell Battery: A battery that uses "dry chemicals" to produce an electric current.

Vocabulary # 10

1-Solar System: The Sun and the objects that are traveling around it.

2-Planet: Any of the nine large bodies that travel around the Sun and shine by reflecting its light.

3-Gravity: A force or attraction, or pull, between any object and any other objects around it.

4-Inertia: The tendency of a moving object to keep moving in a straight line.

5-Lithosphere: The hard, outer layer of Earth, about 100 kilometers thick.

6-Crust: The rocky surface that makes up the top of the lithosphere.

7-Resource: Any material that helps support life on Earth.

7- Hydrosphere: Earth's water.

Vocabulary # 11

1-Fault: A crack in the crust, whose sides show evidence of motion

2-Geologist: A scientist who studies Earth.

3-Magma: Hot, molten rock deep below Earth's surface.

4-Lava: Magma that reaches Earth's surface.

5- Weathering: The breaking down of rocks into smaller pieces.

6-Erosion: The picking up and carrying away of pieces of rock.

7-Deposition: The dropping off of bits of eroded rock.

8-Meteorite: A chunk of rock from space that strikes a surface (such as Earth or the Moon).

Vocabulary # 12

1-Mineral: A solid material of Earth´s crust with a definite composition.

2-Luster: The way light bounces off a mineral's surface.

3-Streak: The color of the powder left when a mineral is rubbed against a hard, rough surface.

4-Hardness: How well a mineral resists scratching.

5-Cleavage: The tendency of a mineral to break along flat surfaces.

6-Ore: A mineral containing a useful substance.

7-Gem: A mineral valued for being rare and beautiful.

8-Nonrenewable Resource: A resource that cannot be replaced within a short period of time or at all.

Vocabulary # 13

 

1-Rock: A naturally formed solid in the crust, made up of one or more minerals.

2-Ingeneous Rock: A rock formed when melted rock material cools and hardens.

3-Sedimentary Rock: A rock made of bits of matter joined together.

4-Fossil: Any remains or imprint of living things of the past.

 

5-Metamorphic Rock: A rock formed under heat and pressure from another kind of rock.

6-Humus: Decayed plant or animal material in soil.

7 -Pollution: Adding any harmful substance to Earth's land, water, or air.

8-Rock Cycle: Rocks changing from one form into another in a never-ending series of processes.