Match the following

• element

• a combination of two or more substances physically blended together

• atom

• a substance that consists of just one type of atom

• mixture

• anything that has mass and takes up space

• matter

• a small particle that is a building block of matter

A chemical formula represents the different

• substances in a mixture.

• properties of an element.

• parts that make up an atom.

• elements that make up compounds.

Tags

NGSS.MS-PS1-1

H2O is an example of

• an atomic number.

• an element symbol.

• a chemical formula.

Tags

NGSS.MS-PS1-1

Match the following

• gas

• The parts of a _____ can often be separated by physical properties.

• solubility

• The amount of matter in an object.

• mixture

• A characteristic of matter that can be observed without changing the identity of the matter

• mass

• The particles of a _____ move very quickly and spread out to fill their container.

• physical property

• the ability of one substance to dissolve in another.

There are 2 parts of a ​ ​ (a)   . The ​ (b)   is dissolved in the​ (c)   .

• solution
• solute
• solvent

Tags

NGSS.MS-PS1-5

Matter is separated into 2 main categories. ​​ (a)   have a fixed position. ​ (b)   have a composition that can vary or physically combine.

• Pure substances
• Mixtures
• elements
• homogenous mixture
• solution
• suspensions

Which of the following are examples of heterogenous mixtures? ​ (a)   ​ (b)   ​ (c)   ​

​ (d)  

• pizza
• gravel
• salad
• buttered popcorn
• ketchup
• paint
• tea with sugar

Which of the following are examples of homogeneous mixtures? ​ (a)   ​ (b)   ​ (c)  

• lemonade
• salt water
• paint
• fruit yogurt
• crayons with wrapper
• jelly beans

Match the following

• can be stretched into a strong wire

• brittle

• easily broken

• luster

• not see through

• ductile

• bendable, easily shaped

• opaque

• shiny, reflective

• malleable

Where is 99.99% of an atom's mass found inside of the atom?

• valence electrons

• the nucleus

• all of the electrons combined

• the neutrons