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Science Semester 1
science semester 1 test
Question | Answer |
---|---|
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 |