Atoms
Elements & Molecules
Mass/Volume/
Weight/Density
Weight/Density
State of Matter
Phase Changes
Physical & Chemical Reactions
Cells
Ecosystems/
Animal Relationships
Animal Relationships
Plate Tectonics
Random
100
What are the three parts of an atom?
proton, neutron, electron
100
What is the definition of a molecule?
a group of 2 or more atoms.
100
Mass and Weight a the same thing.
True or False
False
100
What are the three states of matter?
Solid, Liquid, Gas
100
What makes matter change from one state to another?
Thermal or Heat Energy
100
Is melting an ice cube a physical change or a chemical change?
Physical Change
100
What is the basic unit of life?
Cells
100
What is a producer in an ecosystem?
An organism that makes its own food; like a plant.
100
What are the four main layers of Earth?
crust, mantle, outer core & inner core
100
What is the largest planet in our solar system?
Jupiter
200
Protons have a ________ charge.
positive
200
An element molecule has many different types of atoms.
True or False?
False. Element molecules can only contain one type of atom.
200
What is the two ways you can measure volume?
With a graduated cylinder and water or with measurements and multiplication
200
Which state of matter has no shape and no definite volume?
gas
200
What is it called when a solid turns into a liquid?
Melting
200
A piece of paper is torn into small pieces. Is this a physical or chemical change?
Physical Change
200
Which organelle is known as the "control center" of the cell because it contains DNA?
The Nucleus
200
What type of relationship is it when a bee gathers nectar from a flower and helps pollinate it?
Mutualism
200
Which layer of Earth do we live on?
The Crust
200
How many hearts does an octopus have?
3
300
Neutrons have _______ charge.
no
300
Is this a compound molecule or an element molecule?
compound
300
What is the formula for Density?
Density = mass / volume
300
Which state of matter has no shape but definite volume?
liquid
300
What is this phase change called?
Evaporation
300
When iron is left outside and rust forms, is this a physical or chemical change?
Chemical Change
300
Which organelles produces energy for the cell?
The powerhouse or Mitochondria
300
A tick feeds on a dog's blood, helping the tick but harming the dog. What type of relationship is this?
Parasitism
300
What are tectonic plates?
Tectonic plates are large pieces of Earth's crust and upper mantle that move slowly over Earth's surface.
300
What is the only mammal capable of true flight?
A bat
400
What is the number of Electrons?
19
400
How many atoms are in the molecule?
HN3O
5
H = 1 N=3 O=1
400
What is the volume of the rock?
20 mL
400
Which state of matter is shown above?
solid
400
What is this phase change called?
Sublimation
400
A student mixes vinegar and baking soda. The mixture bubbles and produces gas. Is this a physical or chemical change?
Chemical Change
400
Plant cells have a structure that animal cells do not. This structure helps plants make their own food using sunlight. What is it?
The Chloroplast
400
If most of the rabbits in a grassland ecosystem suddenly disappeared, how might this affect the fox population?
The fox population would likely decrease over time because rabbits are an important food source for the fox.
400
What can happen when two tectonic plates collide?
They can form mountains, cause earthquakes, or create volcanoes.
400
Which metal is liquid at room temperature?
Mercury
500
What is the number of Neutrons?
16
500
How would you draw this molecule?
C2HO3
Answer will be determined by teacher
500
A rubber ball has a volume of 10 cm3 and a mass of 250 g. What is the density of the rubber ball?
25 g/cm3
500
What do the particles do in each state of matter?
Solid - vibrate but do not move around
Liquid - move around but still touch
Gas- fly around and bump into one another
500
What is happening at step #3?
Condensation
500
A candle is burning. The wax near the flame melts, and the wick burns, producing smoke and gases. Which part is physical change and which part is a chemical change?
Melting wax = PC
Burning wax/wick = CC
500
A cell needs to package and transport proteins to other parts of the cell or outside the cell. Which organelle is responsible for this job?
Golgi Body or Golgi Apparatus
500
What is the difference between a food chain and a food web?
A food chain shows one path of energy flow; a food web shows many connected food chains
500
Why is the outer core liquid while the inner core is solid, even though the inner core is hotter?
The inner core is under extreme pressure which keeps it in solid state.
500
What is the only letter that does not appear in any US state name?
Q