Earth
The cause of day and night
What is Earth's rotation?
living thing in an ecosystem
What is an organism?
three states of matter
solid, liquid, gas
the first step in the engineering design process?
What is identify the problem?
The closest star to Earth
the outermost layer of Earth
What is the crust?
the three things plants need to make their own food
What are sunlight, water, and carbon dioxide?
definite shape and volume
What is a solid?
Give an example of an inclined plane
What is a ramp?
The red planet
What is Mars?
What are the Earth Systems?
What is biosphere, atmosphere, geosphere, hydrosphere?
the process in which a producer makes its own food
What is photosynthesis?
the characteristics of a substance that can be measured or observed.
what is physical properties?
The way a lever makes work easier
What is it helps lift something by using less force?
This causes the phases of the moon
What is the moon's position to Earth and Sun?
The process that breaks down rocks into smaller pieces overtime
What is weathering?
an animal that hunts others for food
What is a predator?
what happens to matter when it is heated
What is it expands or spreads out?
The thing engineers create to test their ideas
What is a prototype?
The reason we see different constellations at different times of the year
What is Earth revolves around the sun?
a wall built to protect the overflow of a river
What is a levee?
a top predator is removed from an ecosystem
What is the population of prey will increase?
the thing that is conserved during any physical or chemical change
What is matter?
tool that makes work easier by changing the size or direction of a force
What is a simple machine
The reason we only see one side of the Moon from Earth