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science 1st semester

all science 1st semester test questions

QuestionAnswer
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