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Flashcards in Fianls Review 1 Deck (35):
1

What are Natural Laws

They explain how how the entire universe always works

2

What can energy be stored as?

Work

3

What's a scientific theory

A well explained method about the natural world

4

What's a Scientific Hypothesis

A prediction of an outcome of an experiment

May be modified

Can be tested

5

The length of an arrow can show what?

(Vectors)

The strength of force

6

What's the acceleration formula?

Vf-Vo
A=. ----------
T

7

What unit does mechanical Advantage have?

It doesn't have one.

8

If Kayla is ROLLERSKATING with her bro, and pushes off him, how does there acceleration compare

kayla has a 60 kg mass and her bro has a 30 kg mass

Her brothers accelerates more

9

What makes up Weightt?

Mass and Gravity

10

What's the control variable?

Doesn't change

11

Experimental variable

It's the one thing your changing



Independent

12

A unit of motion repeated over and over again

A cycle

13

Changes in motion come from what

Unbalanced Forces

14

Name the states of matter in order from Least molecules to most molecules

Solid, liquid, gas

15

What is the scientific method

The method of procedure that consists of observations, measurement, experiment testing, and modification

16

What does this stand for


K.H.D.M. ?.C.M

Idk

17

What's Newton's first law?

An object at rest stays at rest, an object of motion stays in motion

18

What's newtons 2nd Law?

Every action has an equal an opposite reaction

19

What's Newtons 3rd Law?

F=M/A

20

If the length of a pendulum increases, what does the period of the pendulum do?

Increases

21

Unit for Periods of a Cycle

Seconds

22

What is a requirement of doing work?

Energy

23

What's Energy measured in?

Joules

24

What do you have to do for there to be no work done

Don't lift, or push, pull things

Carrying or holding has no work applied

25

If the length of a pendulum increases, the period of a pendulum what?

Increases

26

An object at rest:

Has inertia and No momentum

27

The amount of matter an object has is:

Mass

28

Dimensional Analysis is used for what?

To Convert Units

29

Mass is the measurement of what

How much matter that makes up something

30

A longitudinal wave travels at the same distance of what?

Oscillations

31

A simple machine can multiply what

Forces and Speed

32

Efficiency is

The measure how how efficient a machine works

33

What are meaningful digits called in a measurement?

Significant Digits

34

Speed that does not change is called what

Constant Speed

(Sanik Speed all the time)

35

Variables that have both speed and direction are called

Vectors