ATMOSPHERE
WEATHER
ELEMENTS
MATTER
CHEMISTRY
325

What is the tropopause?

The thin layer found between the tropophere and  stratosphere.

325

What is Evaporation?The changing of a gas to a liquid. 

 What is Evaporation?

325

What is the Symbol for Silicon?

Si

325

A measure of how hot or cold the air is /a measure of how fast particles in a material are moving

Temperature

325

A sour taste that is low on the pH scale and can turn litmus paper from blue to red.

Acid

425

What is the exosphere?

The exosphere is found in the outer layer of the thermosphere.

425

The amount of water vapor in the air.

What is humidity?

425

What is the symbol for Lead?

Pb

425

The temperature in which a solid melts to become a liquid 

Melting point 

425

It has the pH of 7 and is not a base. 

Distilled Water 

525

What is the mesosphere?

The coldest layer of the atmosphere.

525

What is a tornado? A violent storm,whirling wing that can move across the ground in a narrow path. 

What is a tornado?

525

What is the symbol for Potassium?

K

525

What is the amount of space matter takes up?

Mass

525

 Forces that hold atoms together 

Chemical bond  

625

What is the atmosphere?

The mixture of gasses that surround the earth.

625

What is a hurricane?A large,swirling storm with low pressure at the center.

What is a hurricane?

625

What is the symbol for sodium?

Na

625

The measurement of the pull of gravity on an object would weigh much less on the Moon than you do on Earth.

Weight 

625

The opposite of a synthesis reaction 

Decomposition reaction 

725

What is the thermosphere?

The Thick layer above then mesosphere.

725

 The changing of a gas to a liquid.

What is condensation?

725

What is a atomic number?

A number of protons found in a atom of an element.

725

A definite shape and volume 

Soild

725

Mixtures of one or more metals with other solids 

Alloys

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