EUREKA Video-Matter Unit

Sections 16-30

 

#16 MOLECULES IN  SOLIDS

 

1.      The 3 states of matter are ______________, _____________ and _____________.

 

2.      In a solid the "little lumps" act as if they are held together by __________________.

 

3.      The little lumps are scientifically called ___________________.

 

# 17 MOLECULES IN LIQUIDS

 


1.      Solids keep their ______________________.

 

2.      Liquids have no shape of their own.  They take on the shape of the ___________________ that they are in.

 

3.      Liquids will flow due to the force of __________________.

 

4.      When a solid is heated enough, the molecules move around freely and no longer stay in a ________________-_________________.

 

5.      When liquids are cooled enough, they turn into _______________

 

# 18  EVAPORATION AND CONDENSATION

 

1.      When molecules of a liquid "escape" the liquid, they become a ______

 

2.      This process of change from a liquid to a gas is called ____________

 

3.      When the molecules of a gas cool enough, they can't overcome their

attraction and they turn into a ___________________.

 


4.      The change of state from a vapor/gas to a liquid is called __________

 

# 19  EXPANSION AND CONTRACTION

 

1.      The molecules in a gas move in all _____________________

 

2.      Hot molecules take up more space than ____________ molecules.

 


3.      The word for taking up more space is ___________________

 

4.      The word for taking up less space is ___________________

# 20  MEASURING TEMPERATURE

 

1.      A man named _________________ invented a way of measuring hotness and coldness.

 


2.      The freezing point of water is ___________C.

 

3.      The boiling point of water is ____________C.

 

4.      Room temperature is about ___________C.

 

5.      Normal body temperature is __________C.

 

6.      Mr. Celsius" hottness meter is a _______________________.

 

Oval Callout: Hi There!# 21  TEMPERATURE vs HEAT

 

1.      The degree of hotness = _____________________

 

2.      The quality of hotness = _____________________

 

3.      The temperature of water depends on the ___________________ of its molecules.

 

4.      The heat of the water depends on its ________________ and the _________________ of its molecules.

 

# 22  ATOMS

 

1.      Molecules are made up of smaller parts called _______________

 

2.      In metals there is only one kind of ___________in each kind of metal.

 

# 23 ELECTRONS

 

1.      In non-metals the atoms are arranged in groups called ___________

 

2.      Most of any atom is __________________  _________________

 

3.      The center of the atom is the __________________

 

4.      Whizzing around the center are tiny _________________

 

 

 

#24 CONDUCTION

 

1.      When molecules or atoms are heated, they begin to __________faster.

 

2.      The atoms or molecules bumping into neighbors is known as _______

 

3.      Metals are good _______________ because they have free electrons bumping into atoms and passing along energy.

 

#25  VOLUME AND DENSITY 

 

1.      If you squeeze "stuff" into a smaller space, you increase its _______

 

2.      If you spread "stuff" out into a bigger space, it becomes ________ dense.

 

# 26  BUOYANCY

 

1.      The force of a liquid pushing upward against the force of gravity is  called ____________________.

 

# 27  CONVECTION

 

1.      Furnaces are put in basements, hot air balloons rise because hot air is ___________ dense and moves _________________

 

#28  HEAT AS ENERGY

 

1.      Movement and friction cause _______________

 

2.      Hot molecules have the ability to do ________________

 

3.      Heat is a form or kind of ________________

 

# 29  RADIATION AS WAVES

 

1.      The only form of heat transfer working in empty space is ________

 

2.      Heat energy in radiation moves in ______________

 

# 30  RADIATION SPECTRUM

 

1.      Tomatoes are red because they absorb all the colors except ________

 

2.      White is a reflection of _______________colors

 

3.      Black reflects ____________ colors.