Ecosystem
What is a group of living and non-living things in an environment?
What is an ecosystem?
What is force?
What is a push or pull on an object?
What is a device that helps us do work by changing the direction or amount of force?
What is a simple machine?
What is sound?
What is a vibration that travels through the air or another medium?
What is reflection?
What is when light bounces off a surface?
Name one producer in an ecosystem.
What is a plant?
If you push a toy car and it moves, what type of force are you applying?
What is a contact force?
Name the six types of simple machines.
What are the lever, wheel and axle, pulley, inclined plane, screw, and wedge?
How does sound travel?
What is through vibrations?
What do we call materials that allow light to pass through them?
What are transparent objects?
What is the role of decomposers in an ecosystem?
What is to break down dead organisms and recycle nutrients?
What happens to the motion of an object if no forces are acting on it?
What is it will stay at rest or continue moving at a constant speed?
How does a pulley make work easier?
It allows you to lift heavy objects using less force.
What is pitch?
What is how high or low a sound is?
What are the three primary colors of light?
What are red, green, and blue?
What provides the primary energy source for all things?
What is the sun?
How does friction affect motion?
What is it slows down or stops the motion of objects?
What is an example of an inclined plane?
What is a ramp or a slide?
What are two factors that affect the loudness of sound?
What are amplitude and distance from the sound source?
How do we see colors?
What is by the way light is reflected off objects?
How do humans impact ecosystems?
What is through pollution, deforestation, and urban development?
Give an example of a push force. Give an example of a pull force.
What is pushing a door open. What is pulling a toy car with a string.
If you have a lever with a long arm on one side and a short arm on the other, which side will require more force to lift a load?
What is the short arm?
What is a wavelength?
What is the distance between 2 sound waves?
How is a raindrop like a prism?
What is when sunlight hits a raindrop, it refracts (bends) and separates into colors creating a rainbow?