This is the symbol we use to show the flow of light.
What is an arrow?
This device is used to measure temperature.
What is a thermometer?
The layer of gases surrounding Earth is called this.
What is the atmosphere?
These tiny structures are the basic building blocks of all living things.
What are cells?
This is the process by which living things grow, repair themselves, and produce new cells.
What is cell division?
This happens when light bounces off an object.
What is reflection?
This is what happens to particles in a substance when it gains thermal energy.
What is they move faster?
This tool is used to measure air pressure.
What is a barometer?
When you get a cut, this process helps stop bleeding by forming a plug.
What is clotting?
This happens when light goes trough an object.
What is transmit?
This form of heat transfer occurs through direct contact.
What is conduction?
This type of cloud often brings thunderstorms.
What is a cumulonimbus cloud?
These cells help carry oxygen throughout the body.
What are red blood cells?
This is the path light moves in.
What is a straight path?
What are insulators?
This process moves heat through liquids and gases as warm material rises and cooler material sinks.
What is convection?
These cells are part of the immune system and help fight off infections.
What are white blood cells?
This happens when light passes through a material but changes direction, like when a straw looks bent in a glass of water.
What is refraction?
This is what we call the average kinetic energy of particles.
What is temperature?
Difference in this property of air cause it to rise or sink, creating wind and weather patterns.
What is density?
These cells carry messages between your brain and the rest of your body, helping you feel pain and control movement.
What are nerve cells?