Vocabulary
Friction is the force that slows objects down.
What is true?
A marble is dropped into a glass of water. Which force pulls the marble to the bottom of the glass?
What is gravity?
What can be dissolved in water?
Grains of sand
Baking Soda
Wood Chips
Cooking Oil
What is baking soda?
Which form of energy is needed to change water from a liquid to a gas?
What is thermal energy?
Ingredients keep some or all of their physical properties/characteristics
What is a mixture?
Example: solids have a definite shape
Does not change
Gravity is the force that causes objects to fall to the ground
What is true?
What kind of energy is a person using when going on a run?
What is mechanical energy?
What is a solution?
These are characteristics or ways to describe matter
What are physical properties?
In order for sound to occur, you must have-
something that you hit
a vibrating source
a loud object
different pitches
What is a vibrating source?
A substance has no fixed shape or volume. Its particles are very far apart. What form of matter is this?
What is a gas?
How is a mixture different from a solution?
In mixtures, substances keep all or most of their physical properties.
Bounces off surfaces
What is reflection?
If an object is more dense than water, it will sink. If an object is less dense than water, it will float
What is true?
What substance does sound travel through best?
Wood
Water
Helium
Air
What is wood?
A block of wood is solid because it has a definite-
color
mass
shape
texture
What is shape?
How is a solution different from a mixture?
In a solution, one substance dissolves in another substance.