Rachel-3rd Grade Science Part 2: Matter & Energy Systems Flashcards
What is a representation or example of some object or system in the real world?
Model
What is anything you can observe about an object by using your senses?
Physical Property
What is anything that has mass and takes up space?
Matter
What is a form of matter that takes up a specific amount of space and has a definite shape?
Solid
What is a form of matter that has volume, stays the same, but can change its shape?
Liquid
What is a form of matter that does not have a definite shape or definite volume?
Gas
What is the amount of space matter takes up?
Volume
What is the word to describe the process by which a liquid changes into a gas?
Evaporation
The changing of a gas into a liquid is called what?
Condensation
What is something that has two or more different types of matter?
Mixture
Name 3 things that Models are used to show?
1) Things that are far away like the solar system
2) Things that are small and must be seen through a microscope
3) How things work
What is a limitation of models?
They cannot include everything that is in the natural world.
The flag is red, white, and blue is an example of what type of property?
Color
Watermelon is sweet is an example of what type of property?
Odor
A pillow is soft is an example of what type of property?
Texture
A hose can bend without breaking is an example of what type of property?
Flexibility
A soccer ball is round is an example of what type of property?
Shape
The measure of how much matter is in an object is?
Mass
The particles of a __________ are spaced far apart and are able to move quickly?
Gas
The particles of a __________ are loosely packed and are able to move about by sliding past each other?
Liquid
Particles of a __________ are tightly packed and can only vibrate slightly in place?
Solid
True or False: liquids will not take the shape of their container?
False
What has a definite shape, volume and will stay the same unless you do something to change it?
Solid
What has no definite shape, has a definite volume and will change according to the shape of the container it is poured into?
Liquid
What has no definite shape and volume and will change according to the shape of the container it is poured into?
Gas
Air, helium, oxygen, and water vapor are all examples of?
Gas
True or False: Solids change shape when they are moved?
False
Milk, water, vinegar, and lemonade are all examples of?
Liquid
Name all six properties of matter?
Temperature, mass, weight, volume, magnetism, and the ability to float
What property of matter describes when a liquid changes to a gas?
Boiling point
True or False: A gas does not have a shape of its own?
True
The measurement of the force of gravity pulling on an object is referred to as?
Weight
The temperature at which a liquid changes to a solid represents what property of matter?
Freezing point
A table, rock, ice, and metal are all examples of?
Solids
The temperature at which ice becomes water refers to what property of matter?
Melting point
What is the temperature at which water freezes?
0 degrees Celsius
What is the temperature at which water boils?
100 degrees Celsius
What are the three states of matter?
Solid, liquid, or gas
The apple weighs 5 grams would be an example of what property of matter?
Mass
What temperature will ice water stay until all the ice melts away?
0 degrees Celsius
What temperature will boiling water stay until all the water boils away?
100 degrees Celsius
What happens to water when it boils over a long period of a time?
It all evaporates
If there is a measured amount of salt in the water as it boils and evaporates, you will have what amount of salt left after evaporation?
The same amount. None of the salt evaporates.
The formation of water droplets on the outside of a glass of ice water is an example of what process?
Condensation
Name two things that can be used to measure the amount of liquid or volume?
Graduated cylinders and beakers
True or False: When reading a graduated cylinder, you look at the bottom of the liquid line?
True
What is the bottom of the liquid line on a graduated cylinder is called?
Meniscus
Half of a large bottle of soda is equal to about how many liters?
1 liter
A few drops of water equals how many milliliters?
1 milliliter
L is the abbreviation for form of measurement?
Liter
The abbreviation mL stands for what form of measurement?
Milliliter
What does it mean to sit on top of the water in the bucket?
Float
What does it mean to drop to the bottom of the water in the bucket?
Sink
What can attract objects made from certain metals, such as iron or attract (pull) and repel (push) other magnets?
Magnets
What are three different ways that mixtures can be separated?
1) Use a magnet
2) Use a strainer
3) By hand
True or false: No form of matter can change state when heat is added or removed?
False: some forms of matter CAN change states when heat is added or removed?
True or false: Water is the only matter that can be easily seen in all three states?
True
Name the two ways that adding heat can change matter?
1) Solid to a liquid or Melting
2) Liquid to a gas or Evaporation
Name the two ways that taking away heat can change matter?
1) Gas to liquid or Condensation
2) Liquid to solid or Freezing
The ability to cause change and do work is?
Energy
Energy in motion is?
Mechanical Energy
The energy that moves the particles in matter is called?
Thermal Energy
The movement of thermal energy from one place to another is?
Heat
What type of material allows thermal energy to move easily?
Conductor
A material in which thermal energy does not move easily is?
An Insulator
A form of energy that travels in waves is what type of energy?
Light energy
What type of energy is made by vibrations?
Sound energy
The light from our stars is an example of what type of energy?
Light energy
Waves through vibrating matter such as from a radio is an example of what type of energy?
Sound energy
What type of energy is found in moving objects, such as a ball rolling?
Mechanical Energy
Machines use what type of energy?
Mechanical energy
The energy of motion in particles like the heat from the sun is.
Thermal energy
