What is the main cause of ocean tides?
Gravitational pull of the moon.
Name a commom example of an electrical conductor?
copper wire
Name one part of a plant cell that is different from an animal cell?>
The cell wall
Name a benefit of volcanic eruptions to the environment.
Create new land and enrich soil with nutrients.
How do you create a circuit?
By connecting electrical components with a path for electricity to flow.
How do microorganisms benefit larger organisms?
The help in digestion and nutrient absorption.
How do glaciers shape the landscape?
The carve valleys and shape mountains as they move.
What is magnetism?
A force that can attract or repel certain materials, typically metals like iron.
What is one harmful effect of microorganisms on larger organisms?
They cause disease.
How do scientist study the earth's interior?
By examining seismic waves for eathquakes.
What is the main source of electricity in most homes?
Power plants
Why is air so important for a plant's growth?
Plants absorb carbon dioxide from the air to use during photosynthesis.
What is the greenhouse effect?
The process where greenhouse gases trap heat in the atmosphere.
What happens to the shape of ice when it melts?
It changes from a solid to a liquid.
Why is water important to a plant's survival?
Water transports nutrients to plants and keeps them cool during transpiration.