Newton's Laws
A girl pushes down on a chair, a chair pushes up on the girl.
What is; Action-Reaction, Newton's 3rd Law
Mn, O, Si, and Cu are all
what is elements
How many ATOMS are in Al2
What is 2
Bob has a mass of 30kg and wants to be able to run at an acceleration of 2.0m/s2. What Force does he need?
What is 60 N of force
What is Homogeneous
A girl is standing on a skateboard and facing South. If she bends her knees and jumps off the skateboard in the direction she is facing, which direction will the skateboard move?
What is North
How many elements are in the chemical formula H2O
What is 2
How many atoms are in the chemical formula Al2PO4
What is 7
Bob is accelerating at 10km/h2, after Fred pushed him using 20 N of force. What is Bob's mass in kilograms?
What is 10kg?
A cake baking in the oven is an example of what type of change?
Chemical change
Newton's 1st says what
"an object in motion will stay in motion, an object at rest will stay at rest unless acted upon by unbalanced force"
Silver Nitrate, AgNO3, is a chemical compound used in photography. How many elements make up this chemical compound?
Silver Nitrate, AgNO3, is a chemical compound used in photography. How many atoms make up this chemical compound?
What is 5
Bob has a mass of 10kg, he is pushing a box to the left, using 30 N of force. How fast in the box moving in m/s2?
What is 3m/s2
Chewed food is pushed down the esophagus by peristalsis to the stomach. What kind of change is this?
What is physical change
Explain Potential and Kinetic energy
Potential energy is stored energy
Kinetic energy in energy in motion
H2O is an example of a
what is a compound
How many ATOMS are in Mg?
What is 1
Tom is shoving a cart down in the hallway using 10 N of force, Moe is helping him by applying 30 N of force in the same direction. What is the net force on the cart?
What is 40 N of force
What is 4 elements and 8 atoms
The Law of Force (or Acceleration) is which of Newton's Laws?
What is his 2nd Law
Chemical equations like; 2H2O ---> H2O2 shows the reactants and products, after a reaction has occurred. What is the name of large 2 in the reactants side of the equation?
What is the Coefficient
Chemical equations like; 2H2O ---> H2O2 shows the reactants and products, after a reaction has occurred. How many atoms are present on the reactant side?
What is 4 atoms present
Tom is moving a cart down the hallway by applying 20 N of force, Bill comes along and pushes the cart in the opposite direction with 50 N of force. The cart has a mass of 100kg. What is the acceleration of the cart in m/s2?
33.33m/s2
Give 3 properties of Non-metals
What is
dull, brittle, cannot conduct electricity, not malleable