Force & Motion
What is gravity?
The force by which a planet or other body draws objects toward its center.
What is an example of precipitation?
Rain, Snow, Hail.
What is DNA?
The genetic information inside the body's cells that helps make people who they are.
What are decomposers?
A living thing that breaks down dead plants, animals or waste.
What is the purpose of a cell?
Smallest, basic unit of life that is responsible for all of life's processes.
What does "a push or a pull on an object that is caused by an interaction with another object." describe?
A Force.
What process is occuring when sun warms water?
Evaporation.
What do chromosomes do?
Chromosomes are tiny, threadlike structures inside most cells of every organism, or living thing. Chromosomes carry information about the organism in units called genes. When living things reproduce, they pass their genes along to their offspring.
What is an example of competition in an ecosystem?
Lions and cheetahs compete for the prey in the African Savanna. Dogs compete for territory and mark it with urine. Gorillas fight with each other to be the alpha male.
What organs are used in the respiratory system?
Airways, lungs and blood vessels.
______ is described as a force that acts in an opposite direction to movement.
Friction.
What is a cold front?
An atmospheric feature which gradually brings cooler air into an area. Cold fronts will often act to replace areas of warmer air with colder air or areas of colder air with warmer air.
What is a dominant trait? Give an example.
An inherited characteristic that appears in an offspring if it is contributed from a parent through a dominant allele.
EXAMPLE: dark hair over blonde or red hair, curly hair over straight hair, detached earlobes over attached earlobes, right handed over left handed.
What does a food web consist of?
A food web is a model made of intersecting food chains.
What does an omnivore eat?
An organism that eats a variety of other organisms, including plants, animals, and fungi.
What is inertia?
The tendency of a body to resist a change in motion or rest.
What are cirrus clouds? What weather condition would happen in this area?
Short, detached, hair-like clouds found at high altitudes. Rain or storms may occur.
Behaviors or that are learned or acquired through interaction with environment and life experiences.
EXAMPLES: Riding a bike, reading, writing, playing a musical instrument
What are examples of adaptations in an ecosystem?
Would a zebra be a predator?
No. They are prey.
What is the definition of velocity? Give an example.
The rate of change in an object's position.
EXAMPLE: The speed of a car traveling north on a highway. The speed a rocket travels after launching.
A tool used to measure atmospheric pressure.
What does a recessive gene do?
A gene masked by a dominant gene.
What does an energy pyramid do?
A model that shows the flow of energy from one trophic level to the next along a food chain
What organs can be found in the cardiovascular system?
The blood travels through a system that includes the heart and a network of blood vessels.