1. Question 2. Hypothesis 3. Test the Hypothesis (procedure) 4. Analyze Data (data and observations) 5. Draw Conclusions.

Informed guess to the answer to a problem. If... then..., must be testable.

The amount of distance traveled over time. S (V) = D/T. Example: 70 kilometers per hour.

Speed with a direction, vector quantity. Example: 70 kilometers per hour west.

The part of an experiment that is changed each time the experiment is conducted. The scientist looks to see if it has an effect on what happens.

The rate at which velocity changes over time; an object accelerates if its speed, direction, or both change.

A not moving object used to see something move past it.

A push or pull that affects matter.

Inertia, Objects at rest will remain at rest and objects in motion will remain in motion and in a straight line unless an outside force acts upon it. Objects will resist a change in motion.

A force is equal to the mass times the acceleration of an object F=MA.

Forces work in pairs on one object. There is always equal and opposite forces.

The force that opposes motion. It is the reason objects eventually slow and stop.

The force that causes objects to accelerate to the ground (at a rate of 9.8 meters per second squared).

Objects are at rest if experiencing balanced forces.

Objects will move if experiencing unbalanced forces.

Force= Newtons (N), Mass = Grams (Kg), Acceleration = m/s squared.

When a hypothesis gets tested so many times that we assume it is true.

Laws that make the universe work.

Energy of position, gets converted to kinetic.

Force of gravity on an object, spring scale, mass times the acceleration of gravity.

Total of all forces on an object, + if same direction, - if opposite direction.

Disturbance through space or matter, transfers energy only.

Distance from one crest (or trough) to another.

How many waves that pass a point in a certain time, like counting how many waves hit the shore in 15 minutes.

Waves that need matter (a medium), solid- seismic (Earthquake) waves, liquid- Ocean waves, Gas- Sound waves.

Electromagnetic Waves

Waves that don't need a medium, they are listed in a Spectrum.

Electromagnetic Spectrum

All the electromagnetic waves, Gamma(dangerous), X-Ray, Ultraviolet (sun burn), Light (how we see), Infrared (Heat), Microwave, Radio (Cell phones).

Object with a north and south pole, usually a metal.

Like charges repel(push away), Different charges attract.

Current of electricity makes a field and it acts like a magnet.

Process of learning by asking questions.

Steps to investigate a problem, includes a control group for comparison and an experimental group.

Group in an experiment without the variable used for comparison to the experimental group.

An area without matter, open space is a vacuum, electromagnetic waves can travel at the speed of light here.

Planet with a spinning iron core creating a magnetic field, particles from the sun are attracted to the poles.

Statements of facts learned from the end of an experiment.

The group tested, has the variable.

Math term with direction and magnitude.

1st Semester Review Flashcards

Student preview

50 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Cleaning broken glass

Back

Tell the teacher and let the teacher dispose of it properly.

2.

FLASHCARD QUESTION

Front

Goggles

Back

Used to protect eyes.

3.

FLASHCARD QUESTION

Front

Eyewash

Back

Used to clean out eyes.

4.

FLASHCARD QUESTION

Front

Most important safety

Back

Listen to and follow directions at all times.

5.

FLASHCARD QUESTION

Front

Smelling in a lab

Back

Hold the item away from your nose and waft the fumes toward you.

6.

FLASHCARD QUESTION

Front

Mass

Back

The amount of matter in an object.

7.

FLASHCARD QUESTION

Front

Observation

Back

Data gathered using one or more of the five senses without interpretation.

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