Atoms, Elements, Molecules, Comounds
the simplest type of pure substance, made of only one kind of atom.
What is a element?
What is a force?
the horizontal axis (x-axis) on a distance- time graph shows this.
What is time?
The average kinetic energy of the particles in a object.
What is Temperature?
Compounds can be broken down into elements by this kind of change?
What is chemical change?
When unbalanced forces act on an object, it will do this.
what is accelerate, slow down, or change direction?
increasing the temperature of a solvent usually makes solids dissolve _______ ________.
If a car travels 100 meters in 20 seconds, what is its speed?
What is 5 meters per second?
Three ways to transfer energy as heat.
The difference between a molecule and a compound is that a compound contains_____.
What are two or more different elements?
What is a spring scale?
solutions that use water as the solvent are called this.
what are aqueous solutions?
what is a diagonal line up, then a flat line?
Wearing a coat keeps you want because it traps your body heat and acts as this.
What is a insulator?
The compound NaCl is commonly known as this.
What is table salt?
The rate of change in an objects velocity.
What is acceleration?
Kool-aid, saltwater, and lemonade are examples of this kind of mixture.
what are homogeneous solutions or soultions?
a bus moving slowly at first, then speeds up. what king of line shows this?
what is a curved line getting steeper?
A metal spoon getting hot after sitting in a pot of soup is an example of this type of heat transfer.
A pure substance made of only one kind of atoms is a _____, while a pure substance made of different atoms chemically combined is a _____.
The overall force acting on an object after all forces are combined.
What is net force?
If a solution has reached its maximum amount of solute and you heat it up, what type might it become?
what is unsaturated?
You travel to school and back home- what shape does theat make on a distance-time graph?
What is a triangle shape?
Adding heat to ice increases the motion of particles, causing this state change.
What is melting into water?