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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 |
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lil science
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