Forces, Machines, Motion, And Energy Part III Question Preview (ID: 48593)


Exam #1. TEACHERS: click here for quick copy question ID numbers.

A force that pulls all things toward each other
a) Inertia
b) Mass
c) Friction
d) Gravity

A substance that flows with relative ease. Ex: Water and air
a) Fluid
b) Element
c) Lubricant
d) Electricity

The pressure in a fluid decreases as the speed of the fluid increases
a) Law of gravity
b) Fluid dynamics
c) Bernouilli's Principle
d) Fusion

A method of conducting science that usually includes an observation, hypothesis, experiment, and theory
a) Scientific method
b) Experimentation
c) Spectrum
d) Conservation

Consists of our sun and everything that travels (orbit) around it
a) Satellite
b) Solar system
c) Galaxy
d) Milky Way

A returning force
a) Friction
b) Gravity
c) Elastic
d) Pressure

A machine that converts heat energy into mechanical energy (can be a natural machine like a hurricane)
a) Lever
b) Pulley
c) Axle
d) Heat Engine

The tendency of objects to resist a change in motion
a) Pressure
b) Acceleration
c) Inertia
d) Gravity

A scientist's conclusion of why something happens the way it does
a) Law
b) Observation
c) Experiment
d) Theory

A weak (lower) tide and happens when the sun and moon are not aligned with the earth
a) Solar tide
b) Wave
c) Neap tide
d) Spring tide

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