Elements, Compounds & Mixtures
What is the difference between a heterogenous and homogenous mixture?
A heterogenous mixture isn't the same throughout, while a homogenous mixture is.
A heterogenous mixture is easy separable, while homogenous isn't.
Name an object that sinks in water.
Rock
Metal
Brick
Etc.
Is baking soda an acid or base?
Base
What is speed?
The rate at which something moves.
How many atoms of Hydrogen are in the molecule?
6H2O
12
Name an object that floats in water.
Styrofoam
Ping-Pong ball
Oil
Etc.
What number on the Ph scale is extremely basic?
14
What is velocity?
The rate at which something moves as well as its direction.
What element is this?
Cl
Chlorine
What is surface tension?
Allows other objects stay on top of it
Creates a firmer surface
What number on the Ph scale is extremely acidic?
0
What is acceleration?
The rate at which something changes speed.
Name a heterogenous mixture.
Salad
Cereal
Etc.
What is adhesion?
Water molecules sticking to different types of molecules.
What substance is considered neutral on the Ph scale?
Water
What is the movement of this object?
It is at rest
What classification is a single drop of Mercury?
A. Element
B. Compound
C. Mixture
D. The third planet from the sun
A. Element
What is Cohesion?
Any molecule is attracted to another molecule of the same composition.
What does a Ph scale start and end at?
0-14
What are the two types of motion graphs?
Time on X-axis, Distance on Y-axis
Time on X-axis, Speed on Y-axis