Science
Science
Science
Science
Science
100

The ability of a substance to dissolve is called...


solubility

100

Molecules spread out and move FAST!

gas

100

What is the chemical structure of water?

H2O

100

The solvent for coffee is (a)

water

100

The solvent for salt water is (a)

water

200

Mass, relative density, solubility, color, texture, state of matter, conductivity, etc.  These are examples of 

physical properties

200

Which property of water allows it to dissolve many substances?

Polarity

200

Mixture or Pure Substance?

pure

200

Which property of a solid is typically the highest compared to liquids and gases?

density

200

The temperature at which a solid becomes a liquid.

melting point

300

What is the primary structure that makes up the cell membrane?

Phospholipid bilayer

300

The state of matter where particles are very spread out and moving quickly.

gas

300

Solutions are ___________ mixtures.

Homogenous

300

The solute for salt water is    

salt

300

What phase of matter is shown in the diagram?

solid

400

The substance that does the dissolving in a solution.

solvent

400

The temperature at which a gas turns into a liquid

consdensation

400

The solutes for Kool-Aid are ____  and ____ 

sugar and cool-aid packet

400

The temperature at which a substance changes from a liquid to a gas

boiling point

400

What is the study of matter and how it changes?

chemistry

500

Which property of gases allows them to fill any container they are placed in?

Expansibility

500

What is the state of matter that has a fixed volume but not a fixed shape?

liquid

500

When thermal energy is added to a substance, the substance's particles move:


More rapidly at an increased diestance from each other.

500

The particles in a solid are packed together and are only allowed to vibrate in place. This gives solids what properties?


Definite shape and volume

500

What is water in a gas form called?

water vapor