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science 1st semester
all science 1st semester test questions
| Question | Answer |
|---|---|
| what are the steps to the scientific method | observe, hypothesis, plan, data, next steps, conclusion |
| In what part would you experiment and record what you learn from your expierimentation | Data |
| What are 2 types of optical microscopes | Electric or compound |
| Cells have different shapes to fit their ____ | Jobs |
| what are the observable charateristcs of an object | properties |
| what are peices of information that come to you directly through your senses | observations |
| where are places where you can find information | resorces |
| What are 3 indicators of pH | Red cabbage juice, black tea, litmus paper |
| we can only see objects as they________ ______ back to our eyes | reflect light |
| what is the lense that is curved OUTWARD making the object appear LARGER | CONVEX |
| what is the lense that curved inward that mkes the object appear smaller | concave |
| Magnification is related to how curved the ____ is | Lens |
| Which would magnify a curved piece of glass or a flat piece | The curved piece |
| Who invented the single microscope | Anton Van Leewenhooke |
| What is the field of view seen through the microscope | You see more of specimen |
| What happens when the field of view is increased on a microscope | It decreases |
| What is the part you look through on a microscope | Eyepiece |
| What is the part you place your specimen on | Stage |
| What microscope has 2 lenses | The compound microscope |
| Who improved the compound microscope and drew pictures of the things he saw | Robert Hooke |
| What two cell parts do plant cells have that animal cells don't have | Chloroplast and cell wall |
| What is the smallest living body part | Cells |
| What part surrounds the cell on both plant and animal cells | Cell membrane |
| What part contains chromosomes | Nucleus |
| In a plant which part takes energy from the sun to make food | Chloroplast |
| Which part is the power house of the cell | Mitochondria |
| What is the amount of matter in an object | Mass |
| Cells make tissue tissue makes______ and ______ make ______ _______ | Organs organs organ systems |
| What is the thing you change in an experiment | Independent variable |
| What is the main organ of the circulatory system | The heart |
| What system exchanges gasses | Respiratory |
| What system breaks down food | Digestive |
| What system allows waste to leave the body | Urinary |
| What system works with bones allowing the body to move | Muscular |
| What system is made up of bones | Skeletal |
| The trachea and alveoli wok together in what system | Respiratory |
| In what change do the material stay the same | Physical |
| What are the body's chemical messenger | Hormones |
| What is the body's final journey into adulthood | Puberty |
| What are muscles of the heart called | Cardiac |
| What are different areas of the world that have been divided up because they have the same climate and organisms | Biomes |
| In what type of change do one substance or matter changes into something completely different | Chemical |
| What is natures way of recycling natural products of the environment | Composting |
| What are all of the living and nonliving things in an area | Ecosystem |
| What type of paper can be used as an indicator of pH | Litmus paper |
| What is the formula for calculating speed | Distance % time |
| What is the word for Newton's 1st law of motion | Inertia |
| What law includes F= m x a | 2nd |
| What is the energy of motion | Kinetic |
| What is the energy that causes change later | Potential |
| What water biome has swamps and marshes | Wetlands |
| In a good web when a tick lives on a deer who is receiving the energy | The tick |
| In what animal relationship do both benefit | Mutualism |
| What do a tree a shrub and algae all have in common besides being plants | Their all producer |
| Name 4 types of consumers | Omnivore carnivore herbivore insectivore |
| What is the pH of a neutral substance | 7 |
| What is Newton's third law | For every action there is an equal and opposite reaction Or: Action=Reaction |
| Where do producers get their energy | From the sun |
| Where do consumers get their energy | From eating other organisms |
| What is the part of the cell that keeps the food | Vacuole |
| Name the part that controls the cell | Nucleus |
| List the 3 states of matter and give an example of each | Liquid- water. Solid- ice. Gas- steam |
| Name2 characteristics of a chemical change | Bubbles or color change |
| Name 2 characteristics of a physical change | No change in matter. Can be put back to original state |
| What is the scientific term for snow sleet rain and hail | Precipitation |
| Which state of matter is measured by volume | Liquid and solid |
| Which state of matter has no deffinate shape only based on the container | Liquid |
Created by:
marypower12
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