meet Chemistry
The smallest part of all existing matter
What is an atom?
This is a push or pull
What is a force
This movement happens when one celestial object moves around on its axis
What is revolution
This causes the seasons to change
What is Earth's tilt
These are the five ways to know if a chemical reaction has occurred
What are changes in temperature, color, precipitate formation, light production, and formation of gas
The tiny forces that attract parts of an atom together
What are bonds
DAILY DOUBLE!
Forces are calculated by doing these mathematical operations
What is addition and substraction
This model of the Universe states that the Sun and other planets revolve around the Earth
What is geocentric
These two systems are responsible for allowing locomotion in all mammals
What are muscular and skeleton
DAILY DOUBLE!
This part of a chemical formula allows us to know the specific number of elements present
What is a subscript
Determines the identity of an element; this number also equals the number of protons in a neutral atom
What is atomic number
This happens when all forces sum to zero
What is a balanced force
Occurs when the full Moon changes to a last-quarter Moon
What is the waning gibbous
DAILY DOUBLE!
These two organelles differentiate animal cells from plant cells
What are cell wall and chloroplast
These reactions result in heat leaving a reaction and heat being absorbed in a reaction
What are exothermic and endothermic
This scientists proposed an atomic model that could be served in an English breakfast
Who is J.J. Thompson
This Law of Newton is usually expressed by a mathematical formula
What is the Second Law F=m/a
DAILY DOUBLE!
This US Senator was the last to touch the Moon
Who is Harrison Schmitt
A system that environments and their organisms form through their interaction. The biotic and abiotic components are linked together through nutrient cycles and energy flows.
What is an ecosystem
Symbols and subscripts used to represent a substance
What is a chemical formula
The temperature of a star determines the wavelength of visible light that is produced. Stars with the highest temperatures will emit most of their light at wavelengths that are near this color light
What is blue light
An object traveling in a perfect circle at a constant speed has uniform acceleration
What is radial acceleration
During which lunar phase are the tides highest?
What is the New Moon
Plants that live on the floors of densely populated forests must compete for sunlight. Which type of leaves are most likely found on plants that are best suited to living on the floor of a dense forest
What are large leafs
These are the outermost electrons in the electron cloud and determine the chemical properties of elements
What are valance electrons