Interactions and Ecosystems
An inherited characteristic that helps an organism survive and reproduce in its environment is called _________.
Adaptation
The tissue of plants from the stem, leaves, seeds, or roots is called ________.
Fibre
What is used in a thermostat to operate an electrical switch?
Bimetallic strip
A leaf is an example of a _______ structure.
Natural
Igneous
Resources that are being renewed as quickly as they are used are ____________.
Sustainable
Roots have three main functions. They are _______, _________, and ___________.
2) Support and anchor plant
3) Store food
A pan heating on the stove because it's in contact with the burner is an example of ________.
Conduction
Function.
Define mechanical weathering and at least one source of this type of weathering.
The physical break-up or disintegration of rocks and can be caused by: temperature, wind, frost wedging.
What are three sources of carbon in the carbon cycle?
1) Respiration
2) Burning of forests
3) Fossil fuels
4) Decomposition
5) Burning of fossil fuels
Define diffusion.
The tendency of particles in a gas or liquid to become evenly distributed by moving from areas of high concentration to low concentration.
Using the particle model of matter, why do objects that are heated expand?
When objects are heated, the particles expand.
Define margin of safety.
The structure is built to support more than a typical load/forces.
Where tectonic plates collide are called _______ _______.
Subduction zones
Define bioaccumulation.
Bioaccumulation is when pollutants enter the food web and accumulate in the higher level consumers.
Sugar is a kind of energy-storing chemical made by plants. The process in which plants produce sugars by using sunlight to combine carbon dioxide and water is called _________.
Photosynthesis
The particle model of matter has three main ideas: ______, _______, and _________.
1) Substances are made of tiny particles
2) Particles are always in motion
3) Particles have space between them
Joints
What is the principle of superposition?
The principle of superposition states that undisturbed layers of rock (the oldest layers) are always on the bottom and the youngest layers are on the top.
How are introduced species able to become invasive?
If they are able to survive and reproduce better than naturally occurring species.
DAILY DOUBLE
Soils are formed over very long periods of time. How is soil formed? (3 steps)
1) Parent material broken down
2) Soil organisms break down plant and animal matter into humus
3) Water brings new soil and nutrients
How is thermal energy different from temperature?
Temperature is the average energy of the particles, whereas thermal energy is the total kinetic energy of all the particles in a substance.
What is the difference between mass and weight and what are they measured in?
Mass is the amount of matter in an object and measured in grams or kilograms. Weight is the force of gravity exerted on mass and is measured in Newtons.
The volcanoes around the Pacific Ocean make up the ___ __ _____.
Ring of Fire