Chem/Physical changes
A change of matter to a new material. Traditionally, this cannot be undone.
What is a chemical change?
A combination of materials that keep their same properties and can be easily separated.
What is a mixture?
How hard a mineral is.
What is Hardness?
Newton's First Law of motion
What is Inertia?
When light bounces off an object, it is called.
What is reflection?
A change of matter that may include changing states or sizes.
What is a physical change?
A combination of materials that would be difficult to separate, where a solute is evenly distributed in a solvent.
What is a solution?
If a mineral is shiny or not.
What is luster?
Newton's second Law of Motion.
What is F=m x a
When light bends as it travels from one medium to another.
What is refraction?
Changing state from liquid to gas state.
What is evaporation?
An easy way to separate the solution of salt water into its 2 parts.
What is evaporation?
This tells the color of a mineral when rubbed across something else.
What is streak?
Newton's Third Law of Motion
What is for every action there is an equal and opposite reaction?
The Sun appears brighter because...
What is it is closer to the Earth?
Changing state from gas to liquid.
What is condensation?
Name 3 ways to change the rate of dissolving in a solution.
What are stirring, adding heat, and breaking into smaller pieces?
If mineral A has a greater hardness than mineral B, this will happen if they are rubbed against one another.
What is Mineral B will be scratched.
Components to add to a stomp rocket to impact flight.
What are a nose cone and fins?
We see different patterns of stars in the sky (constellations) during different seasons because of this.
What is, the revolution of the Earth around the Sun.
The alka seltzer and water reaction in the pop rockets was a ___________ reaction because new products were formed.
What is a chemical reaction?
To increase the rate of dissolving, this must be added.
What is energy?
What words describe how a mineral breaks?
What are fracture/cleavage?
When you changed the combination of alka seltzer and water.
What is experimenting or changing variables?
The reason we have day and night.