Elements and Compounds
Which elements are in the compound below?
C6H12O6
Carbon, Hydrogen, Oxygen
What is a solute?
The substance that is being dissolved into a liquid.
Heat transfer through touch
What is on the X-axis and what is on the Y-axis of a distance-time graph?
X is time, Y is distance
What is Newton's first law?
An object at rest will stay a rest unless acted on by an unbalanced force.
How are elements and compounds different?
Elements are made of one type of atom, compounds are made of two or more different elements.
What are characteristics of a physical change?
Temporary, no new substance formed, substances retain original properties
Describe convection.
When heat rises and cool hair falls.
What is the formula for speed?
Speed= distance/time
Why do objects start or stop moving?
They are acted on by and unbalanced force.
How many atoms of oxygen are in the chemical formula below?
C6H12O6
6
What is evidence of a chemical change?
Color change, produces a gas, gives of light, temperature change, precipitant
Describe radiation.
What does a horizontal line of a distance-time graph mean?
Object is at rest.
If Coach Waddell pushes a desk with 40 N of force West and Coach Powers pushes the same desk with 50 N of force East which way will the desk go?
The desk will go east
How many atoms are there is the formula below?
SO4
5; 1 Sulfur, 4 Oxygen
The liquid that is dissolving the substance, it is usually water.
Explain the relationship between temperature and kinetic energy.
If one goes up the other goes up, if one goes down the other goes down
What is the difference between distance and displacement?
Distance is how far an object travel, displacement is how far an object is from its starting point.
If Coach Dunnam pushes a sled with 50 N of force North and Coach Torres pushes a sled with 20 N of force South, what is the net force?
What is the difference between an atom, compound, and molecule?
Atom is smallest particle of an element, compound is a two more different atoms combined, and molecule two or more atoms join together chemically.
Give an example of a physical and chemical change.
open ended
Describe the movement particles in solids, liquids, and gases.
What does a straight diagonal line mean on a distance-time graph?
Constant speed
Give an example of a balanced force.
open ended