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Science Semester 1

science semester 1 test

What are the 6 steps of the scientific method? observe, hypothesis, plan, data, conclusion, next steps
What are 2 reasons scientist use the scientific method? To be more organized, or, to answer/solve problems
What is another word for hand lens? magnifying glass
What are some differences in types of microscopes? single lens, Glass, elecricity microscope
What are observable characteristics of an object? physical properties
What are peices of information that come to you directly through your senses? observation
What are places where you can find information such as internet,books,or experts? resources
What is true information from which the resource can be cited facts
We can only see objects as they reflect what back into our eyes? light
What is the shape of the lens that is curved outward and magnifies or makes objects appear larger convex
What is curved inward and it makes what is seen appear smaller? concave
Magnification is directly related to how curved the what is? lens
Given a flat peice of glass which would be used as a magnifier? curved
Who invented the single lens microscope? Anton Van Levenhoek
What is the field of view as seen through the microscope? more of less
As power is increased in the microscope what happens to the field of view? it increases
What is the part that you look through? eye peice
What is the name the part you lie your specimen on? stage
What type of microscope has at least 2 lens compound microscope
Who is credited for inproving the compound microscope and creating drawings of objects he could see? Robert Hooke
What 2 cell parts do plants have that animals don't? cell wall,chloroplasts
What is the smallest living body part? cell
Which cell part surrounds the cell allowing the materials to come in and out? membrane
What cell part contains chromazones? nucleous
In a plant what cell part uses energyfrom the sun to make food? chloroplast
Which cell is the power house of the cell mitocondrian
Cells have different shapes to fit their what? job
Cells make WHAT and WHAT makes organ WHAT organs, organs, systems
What is the bodys inner transportation system? circulartory system
What is the major organ associated with the cirulartory system? heart
What system allows the exchange of gases between the outside air and your body? respitory system
What system breaks down food into smaller pieces? digestive system
What system allows waste to leave the body in the form of urine? urinary system
What system works with bones to allow the body to move? muscular system
What system is made up of the bones skeletal system
The trachea and alveoli work together as part of what body system? respitory system
What is the main function of the urinary system? to get rid of cell waste
What are the body's chemical messengers? hormones
What is the name for the body's final journey into adulthood? puberty
What are the muscles in the heart called? cardiac
Name 3 vessels circulatory system. veins, arteries and capitularies
Name the body's largest organ. skin
What is nature's way of recycling natural products in the environment? decomposing
What are all the living and nonliving things in an area called? ecosystem
Biotic factors are all of the WHAT things in an ecosystem? living
Abiotic factors are all of the WHAT things in an ecosystem? nonliving
A rabbit eating grass is an example of an interaction between WHAT factors in an ecosystem biotic
What are the different areas of the world that have been divided up because they have the same climate and same organisms called? biomes
Every organism has a WHAT and a WHAT within their ecosystem? 1-niche 2-habitat
Name 6 land biomes. 1Tropical Rainforest 2Tundra 3Grassland 4Desert 5Taiga 6Savannah
What water biome contains swamps and marshes? wetlands
In a food web wherein a tick lives on a deer who is receiving the energy? tick
In mutualism, both organism in the relationship benefit. true
What do a tree, a shrub and algae have in common besides being plants? producers
Name 4 types of consumers in an ecosystem. omnivore, herbivore, decomposer, insectivore
In the following food chain, Who would be the producer? Wolf eats rabbit who eats grass. grass
What are 2 things animals in an ecosystem would compete for? food, shelter
From where do producers get their energy? sun
From where do consumers get their energy? eating other organisms
Created by: lil science