What are the three states of Matter?
Solid, Liquids, and Gases
Give me an example of a solution and a Mixture
answers may vary.
________ is the amount of Matter in an object?
Mass
What is Thermal energy?
Energy that comes from heat
Which of the following provides evidence that air is Matter.
a. flying a kite
b. standing in the wind
c. blowing air into a balloon
d. blowing air across the desk
c. blowing air into the ballon
______ have an exact shape and exact size?
Solids
What is a Solute?
( example Salt)
What is the Definition of Matter?
Matter is anything that has mass and takes up space. ( volume)
A metal spoon left in a hot cup of tea will eventually become colder than the tea.
True or False
True
Which of the following are examples of Matter?
a. Peanutbutter & Jelly
b. plans for the weekend
c. colors of the rainbow
d. soccer ball
a. PBJ
b. soccer ball
When Matter changes Phases, it does not gain or lose _____________.
a. shape
b. color
c. mass
d. size
c. mass
Which of these phrases best describes atoms?
a. different forms of an element
b. particles inside a nucleus
c. the smallest units of an element
d. two or more combined elements
c. the smallest units of an element
As temperature decreases a ______ can change to a ______.
Liquid can change to a solid
gas can change to a liquid
Name one conductor of energy:
Medal pots, iron etc.
Which of the following methods would be most effective for separating a Mixture of sand from a container of water?
a. using a filter
b. evaporation
c. condensation
d. using a magnet
The separate atoms that make up a wooden table CANNOT be seen because the atoms are too _________
Describe the difference between a Solution and a Mixture.
A solution is 2 or more substances combined and can not be separated. A Mixture is 2 or more items/substances than cant be added and taken out at any time.
What is a Solvent?
able to dissolve other substances.
example: water, milk
Describe what Happens in each type of energy:
Radiation-
Conduction-
Convection-
conduction- thermal energy is transferred by touching something ( ie. touching the stove or a medal pot)
Radiation- thermal energy is transferred to you by standing near the energy ( habachi grill)
Convection- Resist the flow of energy ( winter coat)
Which of the following is evidence that air is Matter? Choose all that apply:
a. There are 14 liters of air in the balloon.
b. The air is colorless
c. The mass of the container of air is 3 grams
d. You can feel air moving your hand back and forth quickly.
a. There are 14 liters of air in a balloon
c.The mass of the container of air is 4 grams.
When heat is _________ to a substance, the particles __________ up and ________ out.
When heat is _________ to a substance, the particles __________ up and ________ out.
- added, speed, spread out
A student is separating a Mixture of sugar and soil. Which physical property is most important in this procedure?
a. soil dissolves in water
b. some components of soil float in water
c. sugar sinks when added to water
d. sugar dissolves in water
d. Sugar dissolves in water
A student places 7 grams of water into a sealed bag and placed it in the freezer. After the water froze, the mass was measured again. Which of the following is the expected mass of the frozen water?
a. 9 grams
b. 7 grams
c. 5 grams
d. 14 grams
What are the three different processes of thermal Energy?
Radiation, Conduction, Convection
As water vapor condenses, the kinetic energy of atoms-
a. stays the same
b. increases
c. decreases
d. changes forms
decreases