the resistance that one surface or object encounters when moving over another.
Friction
100
no
can atoms be made
100
A test under controlled conditions that is made to demonstrate a known truth, to examine the validity of a hypothesis
What is a Experiment
100
an air like fluid substance which expands freely to fill any space available, irrespective of its quantity.
What is gas
100
power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
What is Energy
200
it means a change in the speed it might increase or decrease,change of direction or both
acceleration
200
a stable subatomic particle with a charge of negative electricity,
What is a electron
200
a method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
What is a Scientific method
200
A simple machine consisting of a bar that pivots on a fixed support
What is a lever
200
The conversion of one form of energy into another,
What is Energy transfer
300
yes it effects you every where
does gravity affect you every where
300
each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter
what is a element
300
The things that are changing in an experiment are called variables
What is Variable
300
the natural agent that stimulates sight and makes things visible.
What is Light
300
the process of turning from liquid into vapor.
What is Evaporation
400
strength or energy as an attribute of physical action or movement.
what is force
400
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
what is a Neutron
400
A group of interacting, interrelated, or interdependent elements forming a complex whole
What is System
400
a substance that flows freely but is of constant volume, having a consistency like that of water or oil.
What is Liquid
400
the quality of being hot; high temperature.
What is Heat
500
the rate at which someone or something is able to move or operate.
What is Speed
500
a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.
what is a Proton
500
Scientific investigation is a quest to find the answer to a question using the scientific method
What is a Investigation
500
measured relative to magnetic north.
What is Magnetic
500
the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.