This process moves water through evaporation, condensation, and precipitation.
What is the water cycle?
This process helps plants make their own food using sunlight.
→ What is photosynthesis?
This state of matter has a definite shape and volume.
→ What is a solid?
This is the first step in the engineering design process.
→ What is defining a problem?
This tool is used to look at very small objects.
→ What is a microscope?
This causes day and night on Earth.
→ What is Earth's rotation?
These are characteristics passed from parents to offspring.
→ What are inherited traits?
This type of energy can travel through space and helps us see.
→ What is light energy?
These are limits engineers must follow, like time or materials.
→ What are constraints?
This unit measures temperature.
→ What are degrees Celsius (or Fahrenheit)?
This natural event involves the shaking of the ground.
→ What is an earthquake?
This type of organism breaks down dead material in an ecosystem.
→ What is a decomposer?
his type of change forms a new substance.
→ What is a chemical change?
A working model used to test an idea is called this.
→ What is a prototype?
This is information you gather with your senses.
→ What is an observation?
These rocks form from cooled lava or magma.
→ What are igneous rocks?
This is a diagram that shows energy flow through a community.
→ What is a food web?
This force pulls objects toward Earth.
→ What is gravity?
This is the term for what a design must do.
→ What are criteria?
These help scientists record and interpret data.
→ What are data tables and graphs?
This causes the phases of the Moon.
→ What is the Moon's position relative to Earth and the Sun?
This refers to the changes that organisms make to survive in their environment.
→ What are adaptations?
This is the ability to do work or cause change.
→ What is energy?
After building a prototype, engineers do this to find problems and improve their designs.
→ What is testing and redesigning?
This is the part of an experiment that is changed on purpose.
→ What is the independent variable?