Life Science
This process allows plants to make their own food using sunlight.
What is photosynthesis?
This is the layer of Earth we live on.
What is the crust?
This force pulls objects toward Earth.
What is gravity?
This simple machine includes a wheel and a rope used to lift objects.
What is a pulley?
Animals that eat only plants are called this.
What are herbivores?
The movement of Earth around the Sun is called this.
What is revolution?
Energy of motion is called this type of energy.
What is kinetic energy?
A push or a pull on an object is called this.
What is a force?
The role of a producer in an ecosystem is to do this.
What is make their own food?
This type of rock is formed from cooled lava or magma.
What is igneous rock?
When you rub your hands together and they get warm, what type of energy is being produced?
What is thermal (heat) energy?
This simple machine is a bar that pivots on a fixed point.
What is a lever?
What do plants need from the air in order to make food?
What is carbon dioxide?
The repeating pattern of weather over time in an area is called this.
What is climate?
This simple machine is a slanted surface used to make lifting easier.
What is an inclined plane?
The fixed point that a lever rotates around is called this.
What is a fulcrum?
What happens to a food web if a top predator is removed?
What is the ecosystem becomes unbalanced / prey populations increase?
Water changing from liquid to gas is called this process.
What is evaporation?
Matter that keeps its shape and volume is in this state.
What is a solid?
A team builds a prototype of a bridge, but it bends too much under weight.
Describe what step they should take next in the engineering design process and explain why.
What is redesign (or improve the prototype)?