UNIT 1
UNIT 2
UNIT 3
UNIT 4
UNIT 5
UNIT 6
100
What is everything in the Universe made out of?
Atoms
100
What are the two types of changes in chemistry?
Physical and chemical
100
What are the two models for the Solar System?
Heliocentric and Geocentric
100
What force keeps planets in orbit around the Sun?
Gravity
100
What is the hydrosphere?
All the water on Earth (liquid, solid, and gas)
100
What is the smallest unit of life?
A cell
200
How many elements did the Greeks believe existed?
Four (Earth, Wind, Water, Fire)
200
What kind of change is mixing fruits in a blender and making a smoothie?
Physical
200
What is the Unit used to measure distances in space?
The Astornomical Unit (AU)
200
How long does it take for the Moon to complete one full revolution around Earth?
27.3 days or about 28 days
200
What is the average salinity of seawater?
About 3.5%
200
What are the two types of cells?
Prokaryotes and Eukaryotes?
300
Which Greek philosopher proposed the concept of "Atomos"
Democritus
300
Cooking will always result in this
Chemical Change
300
Who was the scientist who finally solidified the concept of Heliocentrism?
Galileo Galilei
300
What two movements can celestial bodies make as they travel around the Sun?
Rotation and revolution
300
What sugar do plants make during photosynthesis?
Glucose
300
What are the four types of Eukaryotic Cells?
Animal, Plant, Fungi, and Protist
400
What changes can create new substances?
Chemical changes
400
These two components are present in a solution
What are solvents and solutes
400
What are Isaac Newton's most notable contributions?
The Three Laws of Motion and the Law of Universal Gravitation
400
What separates the inner planets from the outer planets in our solar system?
The asteroid belt
400
What scientist helped discover photosynthesis?
Joseph Priestly
400
What type of cell is a bacterium?
A prokaryote
500
What process is used to retrieve solids dissolved in a liquid?
Boiling
500
This process is used for bread to rise
What is fermentation
500
Which Law of Motion states: "An object at rest will remain at rest, until an external force acts upon it"?
The First Law or The Law of Inertia
500
What planet has the most moons in the solar system?
Saturn
500
Define all levels of the Trophic Levels
L 1. Producers (Autotrophs)
L 2. Primary Consumers (Herbivores)
L 3. Secondary Consumers (Carnivores/Omnivores)
L 4. Tertiary Consumers (Top predators)
500
What is the powerhouse of the cell?
The mitochondria
600
What is a substance containing two or more different elements called?
A compound
600
This speeds up a chemical reaction
What is a catalyst
600
1. 500 m
2. 60 sec
3. 8.33 m/s
600
What type of celestial body is Ceres classified as?
Dwarf planet
600
What organism allowed for the atmosphere to be formed when Earth was 2.3 billion years old?
Cyanobacteria
600
What single word is defined as a little organ?
Organelle
700
What are diatomic elements?
Elements that always come in pairs
700
These are the products of fermentation
What are alcohol and carbon dioxide
700
Using the formula F=ma. An object travels at a rate of 7.5 m/s2, impacting a wall with a force of 18.75 N. What is the object's mass?
2.5 kilograms
700
What is the approximate time it takes to go through five lunar phases?
About 17.5 days
700
What are the products of Photosynthesis?
Glucose and Oxygen
700
What organelle is in charge of producing photosynthesis in a plant cell?
The Chloroplast