PE & KE
Balanced & Unbalanced Forces
Density
Chemical Change
Minerals
100
The wind blowing through your hair
What is b. Kinetic Energy
100
Forces that cause a change in velocity when they act on an object
What are unbalanced forces?
100
This is how compact molecules are within a specific volume
what is density
100
A substance made up of two or more elements.
What is a compound
100
The color of the mineral's powder
What is the minerals Streak
200
A bowling ball sitting on the rack
What is a. Potential Energy
200
Forces equal in size but opposite in direction that act on an object
What are balanced forces?
200
This is the amount of matter in an object
what is mass
200
A change that is mostly permanent?
What is Chemical Change
200
The term used to describe how light is reflected from a mineral's surface
What is the minerals Luster
300
A bicyclist pedaling up a hill
What is b. Kinetic Energy
300
A child sitting on a swing without moving
What is a balanced force?
300
This is the amount of space an object takes up
What is volume
300
bubbles, temperature change, unexpected color change, precipitate, production of light, production of odor, or the relative inability/difficulty of reversal.
What are 5 clues to chemical change
300
When a mineral that does not split evenly or regularly apart
what is the minerals fracture
400
An archer with his bow drawn
What is a. Potential Energy
400
As you walk, your feet push against the ground. At the same time, the ground pushes against your feet with __________________ .
What is equal, normal, or reaction force?
400
Give the three density formulas
D = M/V
V = M/D
M = VxD
400
The sign of a chemical change when a solid substance is created while two liquids are being formed is a...
What is a precipitate.
400
The hardest mineral on the Mohs hardness scale is _______________, and the softest mineral is _________________. (Need em' both)
What is the Hardest= diamond Softest= talc
500
A ball that is dropped right before it hits the ground before its first bounce
What is Highest kinetic, lowest potential
500
A satellite orbiting in space
What is balanced forces
500
An irregularly-shaped sample of aluminum is put on a balance and found to have a mass of 43.6 g. You use the water-displacement method to find the volume. The initial volume reading is 25.4 mL and, after the Al sample is added, the water level has risen to 41.7 mL. Find the density of the Al.
What is 2.67 g/ml
500
What signs of chemical change would be present in a baking soda and vinegar reaction?
What is bubbles, production of a gas, and slight temperature change.
500
A smooth break of a mineral's edge that has a clean pattern and reflects light
What is cleavage?