Observing = Noticing something by using your senses

Substance = Anything that has mass and takes up space

matter = Anything that has mass and takes up space

Properties of a substance = Unique characteristics of a substance

Density = How much matter is packed into a given area

Particle = A small piece of matter

Sound = Energy that is created by vibrations

Sound frequency = The measure of the speed of the vibrations

Pitch = The highness or lowness of a sound, caused by frequency

Wavelength = The distance between one full wave

Amplitude = The height of a wave

Light = A form of energy that travels in waves

Visible spectrum = All colors of light seen with the naked eye

reflect = To bend back light or heat

absorb = To soak up or take in

Atom = Smallest particle of a substance that still has the characteristics of the substance

Molecule = A particle that is made up of atoms

Photosynthesis = The production of glucose and oxygen by plants

Test tube = Used for holding small amounts of substances in the lab

Test tube stand = For holding/ using/ transporting multiple test tubes at once.

Test tube holder = Used for holding a test tube when it should not be touched.

Test tube brush = for cleaning test tubes.

beaker = used for mixing, holding, measuring, and pouring liquid chemicals.

Wash bottle = A squeeze bottle filled with distilled water. Can be used to wash other equipment or dispense small amounts of water.

Pipet = used to transfer small amounts of liquids.

Graduated cylinder = Used for accurately measuring the number of liquids.

Gas inlet = Supplies bunsen burner with gas.

Bunsen burner = Heat source for warming substances.

Tripod = Used to hold flasks/ beakers over the bunsen burner.

Gauze = Placed on top of a tripod. Used to hold a beaker during heating with the bunsen burner.

Tongs = Used to pick up hot containers, materials, etc.

spatula = for scraping or scooping powders/pastes.

Thermometer = A device for measuring temperature.

Scale = Used to measure the mass of a substance.