Periodic Table & Force
Elements on the Periodic Table of the Elements are classified into categories such as
rocks and minerals
molecules and atoms
mixtures and compounds
metals and nonmetals
What is metals and nonmetals.
The force that attracts an object toward the center of another object
What is gravity
The action of one surface or object rubbing against another
Friction
Give 2 examples of everyday objects that use the wheel and axle.
Many correct responses including: Car, skateboard, wagons, bike, shopping cart, etc
The term given when a force is stronger in one direction than in the other.
Unbalanced Force
How do you find the atomic mass of an element
Add protons and neutrons
If the force used to push a shopping cart increases, the acceleration of the cart will?
What is increase
An objects tendency to resist a change in motion
Inertia
True or False: a screw is an inclined plane wrapped around a cylindrical post.
True
A car is easier to push than a bus. This is an example of which of Newton's Laws?
Newton's Second Law
How fast something is moving in a given direction
Velocity
The total amount of force put on an object
Net Force
This happens when forces aren't balanced.
Movement
Give two examples of everyday objects that are levers.
see-saw, scissors, nail clippers, back of a hammer, hockey stick, your arms.
The slingshot was pulled back and the rock propelled forward. This is an example of which law of motion?
Newtons third law
How many groups are on the periodic table?
18
It is this kind of force when an object is not moving
Balanced Forces
This can be started, stopped or changed.
What is motion?
Give two examples of an everyday object that is a wedge.
Knife
●Axe
●Door Stopper
●Sewing Needle
A kickball continues to roll until it hits the fence. This is an example of which law of motion?
Newtons 1st Law- Law of inertia
In a chemical reaction, the reactants (what goes into the reaction) is __________ to the products.
What is equal.
A student pushes against a tree with a force of 10 newtons (N). The tree does not move. What is the amount of force exerted by the tree on the student?
Anything over ten newtons.
A car travelling with a force of 5,000 N crashes into a wall. This is the force that the wall pushes back with.
5,000N
A machine that is made of two or more simple machines is called a
Compound Machine
A baseball hit with a wooden bat goes farther than a baseball hit with a plastic bat. This is an example of which law of motion?
Newton's Third Law