Heat
If you ADD heat to something the particles move faster. True or False
True.
Define compression and give an example.
A force that compacts or squeezes a material.
Ex: snowball, vice
What is the temperature of the human body?
37 degrees celsius.
Example: Spider-web
Manufactured: man-made
Example: House
What is photosynethesis?
The process by which plants make their own food using sunlight.
What are the 3 states of matter? What state of matter has no fixed shape but a definite volume?
Solid, Liquid, Gas
Liquid
If you wring a towel out of water, what force is being applied?
Torsion
What state of matter has the largest spaces between its particles?
Gas
The beauty in buildings and structures is called_______.
Aesthetics
What is diffusion?
Dispersal of a fluid from an area of high concentration to low concentraton.
HIGH TO LOW
What is the definition of Heat?
Heat is thermal energy being transferred from one object or substance to another because of a temperature difference.
What tool is used to measure force?
What measurement is used for force?
Spring Scale
Newton
What has more thermal energy?
1. A 25ml cup of hot water or a 25ml cup of water?
2. A swimming pool at 22 degrees Celsius or a bucket of water at 22 degrees Celsius?
1. cup of hot water. (hotter temperature)
2. swimming pool. (more molecules)
What type of structure can fail the easiest due to a small fracture or break?
Shell
Different Plants are designed to grow in different environments. This is called
Adaptation
What are the three types of heat transfer? Name them, give a definition and an example of each.
Conduction- Happens when particles collide and move the particles next to them through direct contact.
Radiation- The transfer of evergy in the form of electromagnetic waves.
Convection- A process by which a warm fluid (liquid or gas) moves from place to place carrying thermal energy.
Define what tension is and give an example.
Tension is a force that pulls on a material and stretches it apart.
Example: Stretching a rubber band, plucking a guitar string.
What is absolute zero?
The coldest possible temperature. -273 degrees celcius. 0 Kelvin.
What force is always acting on us, pulling objects toward the center of the earth?
Gravity
True or False. All seed plants have roots, leaves and a stem.
True.
Name the phases of matter (hint 6).
Melting, Freezing, Condensation, Evaporation and Sublimation.
Define Shear force and give an example.
A force that bends or tears a material by pushing parts in an opposite direction.
Example: tearing paper, cutting with scissors
If a spoon in heated, the length will _______ due to expansion?
Increase
Name a structure that is both a natural and shell structure.
Example could be an egg.
In order for a plant to create a seed it needs to undergo the process of what?
Pollination.