Science is Everywhere
The Scientific Toolbox
Introducing Earth
Density and Buoyancy 1
Density and Buoyancy 2
100
If you want to prove or disprove a hypothesis, you must perform a(n)
experiment
100
The basic SI unit for mass is...
grams
100
The study of rocks and rock formations is called...
Geology
100
The amount of space something takes up is the...
volume
100
Density depends on which 2 factors?
mass and volume
200
Pieces of information collected to test a hypothesis is called
data
200
The basic SI unit for volume is...
liters
200
The middle part of a tree is called...
the pith
200
What is the force opposing the buoyant force?
the force of gravity
200
How do you find the mass of a certain object?
Weigh it on a scale
300
The process for answering questions is called...
science
300
A measurement contains what 2 parts?
number and unit
300
How old is the Earth?
roughly 4.6 billion years old
300
How do you find the volume of a cube or rectangular-shaped object?
length x width x height
300
Warm air _____, while cold air ______.
Warm air rises(floats), while cold air sinks.
400
What are the 5 senses?
sight, hearing, touch, taste, smell
400
Your ______________ is different on Earth than it is on the Moon.
weight
400
The vertical line at 0 degrees longitude is called the...
Prime Meridian
400
When an object is _____ dense than the fluid it is in, the object will float.
When an object is less dense than the fluid it is in, the object will float
400
When an object is more dense than the fluid it is in, the object will _______.
When an object is more dense than the fluid it is in, the object will sink.
500
Name the 5 steps of the scientific method in order.
observe, question, hypothesis, collect data, draw conclusions
500
The variable that is affected by the change in the independent variable is...
dependent variable
500
What is the difference between a topographic map and a bathymetric map?
topographic map measures elevation, bathymetric measures depth
500
How do you find the volume of an odd-shaped object?
Put it in a container of water such as a graduated cylinder and see how much the water rises. Measure the difference in volume.
500
What happens to the mass, volume, and density of air molecules when they get heated up?
mass stays the same, volume increases, density decreases