Life Science
What is the process plants use to make their own food using sunlight?
Photosynthesis
What is the layer of Earth we live on?
Crust
What are the three states of matter?
Solid, liquid, gas
What is a push or a pull called?
Force
What is the first step in solving a problem?
Identify the problem
What are the three main parts of a plant?
Roots, stem, leaves
What causes day and night?
Earth rotating on its axis
What happens to matter when it is heated?
It expands
What force pulls objects toward Earth?
What do engineers create to test ideas?
Models or prototypes
What do we call animals that eat only plants?
Herbivores
What type of rock is formed from cooled lava?
Igneous Rock
What property describes how heavy something is?
Mass
What type of energy is stored energy?
Potential energy
What does it mean to improve a design?
Make it better based on testing
What is the role of a producer in a food chain?
It makes its own food (usually plants)
What is erosion?
The movement of rock/soil by wind, water, or ice
What is a mixture?
Two or more substances combined but not chemically changed
What happens when two objects rub together?
Friction occurs
Why do engineers test their designs?
To see if they work and make improvements
What is one way animals adapt to survive in their environment?
Examples: camouflage, hibernation, migration
What tool do scientists use to measure weather? Name one.
Thermometer, rain gauge, anemometer, barometer
What is the difference between a physical and chemical change?
Physical = changes form; Chemical = creates new substance
What type of energy travels in waves and can move through space?
Light energy
What are constraints in a design problem
Limits like time, materials, or cost