Cells
What is the basic unit of life?
Cell
What process moves soil and rock from one area to another?
Erosion
A landform surrounded on three sides by water is a:
peninsula
What is speed?
How fast an object changes position
What is the Law of conservation of energy?
Energy cannot be created or destroyed
A pot of boiling water is an example of this:
Convection
the study of weather is:
Meteorology
An educated guess or prediction
Hypothesis
The stomach is part of this:
Digestive system
When water changes into a gas
All living things make up this sphere
Biosphere
What part of the cell controls what enters and exits?
Cell membrane
Loose soil and rock settling out in a new location is called?
Deposition
Sediment deposited at the mouth of a river forms this landform:
Delta
How do we calculate speed?
Speed=distance/time
A bowling ball striking pins is an example of:
Energy transfer
warming your hands by a fire is an example of:
radiation
Winds curling off of the equator due to the spinning of the earth is the:
Coriolis effect
What do you change in an experiment that effects the outcome?
independent variable
What system moves oxygen and nutrients throughout the body?
Circulatory system
What is condensation
When water vapor changes back into liquid water
This part of the atmosphere is the hottest
Thermosphere
What process do plant cells use to convert sunlight to energy?
photosynthesis
Name a natural agent of erosion.
Wind, water, gravity, waves, etc.
A large slow moving sheet of ice
Glacier
Speed and direction is what?
velocity
A roller coaster at the top of a hill is demonstrating:
Potential Energy
What is conduction?
Heat transfer by direct contact between objects
warm ocean current that moves from the Gulf of Mexico northward in the Atlantic ocean
Gulf Stream
what variable(s) stay the same and kept constant
control variable
The kidneys produce urine in this system.
Excretory
Ice is an example of
Freezing
We live in this part of the atmosphere
Troposphere
What is the jelly-like substance inside a cell that holds everything in place?
Cytoplasm
A frost wedge is an example of what?
Mechanical weathering
A large flat landform that is higher that the land around it
Plateau
If a car travels 100 miles in 2 hours what is its speed?
50m/h
A bicycle in motion is an example of
mechanical kinetic energy
The sun gives us a sunburn through:
radiation
High pressure usually causes this type of weather
calm, dry and fair weather
A system of acquiring knowledge through observation, experimentation, and analysis
The scientific method
The nervous system consists of these 3 parts
Brain
Spinal cord
Nerves
When rain, snow, or sleet fall from the clouds it is
Precipitation
Rocks, dirt, and sand make up this sphere
Geosphere
What are the parts of the cell called?
organelles
Acid rain can cause this.
Chemical weathering
A deep cut area between two mountains is called a:
Valley
What does decelerate mean?
To slow down
A ball falling to the ground is an example of
Gravitational kinetic energy
Heat always moves from:
Hot to cold
Thunderstorms occur where these weather system meet
When a warm front and cold front meet
Why and how does science change?
New information is found through observation, experimentation, etc.
The lungs are the main organ of this system
Respiratory
When water falls to the earth it becomes part of the
Hydrosphere
A polar bear in the Arctic would be an example of what spheres?
Biosphere and Cryosphere
Name two things that plant cells have that animal cells do not.
Chloroplasts, Cell Wall
A boulder breaking apart into smaller pieces is an example of:
weathering
These landforms are made by wind depositing sand
Sand Dunes
Which object is accelerating?
A bike sitting at a stop sign
A car slowing to turn left
A jet taking off
A train using its brakes
A jet taking off
Lifting a weight into the air is doing what to the energy?
Increasing the potential energy
A sea breeze is caused by this type of heat transfer:
convection
What is a stationary front?
When two fronts meet but neither is strong enough to move the other
What scientist was the first to name cells?
Robert Hook
All of your body systems and individual cells are trying to keep your body in this
Homeostasis
Explain the water cycle from liquid water on
Describe what the Exosphere is
It is the final layer of the atmosphere before entering outer space