Mechanical Energy
A push or a pull that creates or changes motion is called what?
Force
A physical combination of two or more different substances is a....?
Mixture
True or False? Volume changes for a heterogenous solution but NOT for a homogenous solution.
True
________ is the physical separation of a mixture using your hands or tools such as sieves, forceps or tweezers.
Mechanical separation
How fast an object will move depends on the.......?
DAILY DOUBLE
Mass of the object and the amount of positive force applied
_____ is a mixture that is uniform in composition. In other words, it is the same throughout.
Homogeneous Mixture
______ is the mass of substance 1 + substance 2 when combining substances.
Total Mass
______ can be used to physically separate magnetic components in a mixture.
Magnetism
____ is a natural force that draws objects towards the center of the Earth.
Gravity
_____ is a mixture that is not uniform in composition. In other words, it is not the same throughout.
Heterogeneous Mixture
______ is a measurement that reflects how much mass takes up a certain amount of space. DAILY DOUBLE
Density
______ is a technique used to separate solid particles from a fluid (liquid or gas).
Filtration
A force between two objects in contact with each other that creates resistance to motion.
Friction
In a _____, one substance dissolves into another substance.
Solution
Give one example of a solvent:
Water
_______ is the process of separating a substance in a solution by boiling away the liquid substance.
Evaporation
When rolling a metal ball across the ground, which surface creates the most friction?
A. Smooth Concrete (Inside)
B. Carpet
C. Rough Concrete (Outside)
D. Wood Floor
B. Carpet
A _____ is a mixture of solid particles in a liquid. The particles do not dissolve in the liquid. Instead, they are “float” in the liquid for a period of time.
Suspension
____ is a measure of how easy a substance dissolves into another substance. In other words, it measures how much solute will dissolve in a given amount of solvent.
Solubility
A _____ is used to separate solid particles from a fluid. The fluid passes through the filter.
Filter