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1st 9 Weeks Vocab Test 14-15
7th grade science FJH
Terms in this set (40)
an instrument used to observe specimens too small to be seen with the naked eye.
Triple Beam Balance
an instrument used to measure the mass of an object
an instrument used to measure the volume of liquids
an instrument used to measure weight or force of an object
an instrument used to observe reactions and to mix small amounts of solutions
an instrument used to hold and measure the volume of solid or liquid lab items
an instrument used to measure length or distance
observations dealing with numbers
observations dealing with the quality or physical aspect of an object. They do not contain numbers
an observation that has been repeatedly confirmed and accepted as true
an explanation for a hypothesis based on observations that have been supported by testing
is the metric unit for length
is the amount of space something takes up
is the amount of matter in an object
is the amount of matter in a given volume
is the number of times the machine multiplies force and the advantage that a machine really produces
the unit of measure for work
Ideal Mechanical Advantage
is the mechanical advantage of a machine if everything works perfectly
a simple machine that is made up of a surface that is raised at an angle
is a push or a pull that has both a size and a direction
is the unit of force
is a push or a pull applied by one object to another object by touching it
a force that is a push or a pull on another object without touching it
a contact force that resists a sliding motion between two objects that are touching
is a noncontact attractive force that exists between all objects that have mass.
are forces acting on an object when the net force is 0
are forces acting on an object when the net force is not 0
is what happens when a force causes an object to move.
is the smallest living thing AND What makes up all living things.
is a description of what something looks, smells, tastes, sounds, feels, and acts like
is an action or change in behavior.
is a change in the surrounding that causes living things to react.
are living things with only one cell
are living things with more then one cell.
is something you notice using your 5 senses.
is a living thing. An individual form of life, such as a plant, animal, bacterium, protist, or fungus.
Something that is either being changed or measured in an experiment.
All the non-living things that affect living thing in the ecosystem. Examples: Sun, temperature, soil
All the living things that affect living things in the ecosystem. Examples: Decomposer, Plants, animals, fungi, people
The community of organisms that live in a particular area, along with their nonliving surroundings. Examples: prairie, forest, lake, stream, pond
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