6th Grade Science 1
An energy source that is not able to be replenished is called this.
nonrenewable
A student changes the amount of sunlight a plant receives and measures growth. What is the dependent variable?
Plant growth
What fossil fuel is formed from ancient plants?
Coal
This force causes objects to be pulled towards Earth's center.
gravity
A variable that is kept the same in an experiment.
Constant (or controlled variable)
Wind power and solar power are what type of energy sources.
Renewable
A natural resource that will never run out such as sunlight and wind.
Inexhaustible
This is the source for almost all energy on Earth.
Sun
Measurable data (uses numbers): 2in, 5ft, 28 cm/s, 67 mph
Quantitative (QNT)
Data collected using the 5 senses, often described in adjectives: green, small, smooth, sparkly
Qualitative
The amount of time it takes for Earth to make one full revolution around the sun.
365 days or 1 year
Which variable is changed by the scientist?
independent variable
A glacier breaks rock into smaller pieces, melts, and carries the sediment away. What two Earth processes occurred?
Weathering and Erosion
Rock made of other pieces of broken rock, once-living plants and animals, or an evaporated solution such as halite.
Sedimentary rock
Rock that forms when magma or lava cools and solidifies.
Igneous rock
The amount of time it takes for the Moon to make one full revolution around the Earth.
about 28 days
The amount of time it takes for Earth to make one full rotation on its axis.
24 hours
This is the word for when solid rock turns back into magma
Melting
During which Moon phase does the Moon appear 0% illuminated from Earth?
New Moon
Rocks formed by heat and pressure within Earth's crust.
Metamorphic rock
Which type of resource is fresh water, trees, and animals?
Renewable resource
This is the largest planet in our solar system?
Jupiter
An object will remain at rest or in motion until an unbalanced force acts on it.
Newton's 1st Law (of Inertia)
When an older more dense oceanic plate (or continental plate) collides and sinks under a less dense oceanic plate.
Subduction
A point deep underground where an earthquake starts.
focus