Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Science 4th Qrt - Grd 6 > Science L1 4th Qrt > Flashcards

Science L1 4th Qrt Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What age is an age of machines?

A

Modern age

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a device or a tool that simplifies work?

A

Machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are examples of simple machines?

A

Hammer, can opener, & screwdriver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are simple machines often called?

A

Tools

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is a machine consisting of two or more simple machines?

A

Compound machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are examples of complex machines?

A

Cars, cranes, & clocks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the formula for finding the amount of work done?

A

Work = force x distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the metric unit of work?

A

Newton-meter (N-m)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is one N-m equal to?

A

1 joule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is used in honor of James Prescott Joule?

A

Joule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Who is an English physicist in the 1800s?

A

James Prescott Joule

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What can make work easier by multiplying force?

A

Machines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is equal to the amount of energy used when a force moves an object?

A

Work

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

When doing work, the force is called the _____ _____.

A

Input force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What can decrease the input force, change its direction, or cause it to move an object through a longer or shorter distance?

A

Simple machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the force that a simple machine exerts in doing work of an object called?

A

Output force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What are six kinds of simple machines?

A

Lever, pulley, wheel and axle, inclined plane, wedge, and screw

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is a straight bar that can turn or pivot?

A

Lever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is a fixed point or support?

A

Fulcrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are the three important parts of a lever?

A

Load, fulcrum, & effort force

21
Q

What is the input force the user applies on the lever?

A

Effort force

22
Q

What is the object on which the force is exerted?

A

Load

23
Q

What are examples of levers?

A

Nutcrackers, wheelbarrows, seesaws, scissors, pliers, bottle openers, fishing poles, shovels, & baseball bats

24
Q

What are three kinds of levers?

A

First-class lever, second-class lever, & third-class lever

25
Q

The fulcrum is between the effort force and the load.

A

First-class lever

26
Q

The fulcrum is situated at the end close to the load.

A

Second-class lever

27
Q

Force is multiplied in this lever. What kind of lever is this?

A

Second-class lever

28
Q

The fulcrum is on the side close to the effort.

A

Third-class lever

29
Q

This lever multiplies distance. What is this?

A

Third-class lever

30
Q

The effort is greater than the output force.

A

Third-class lever

31
Q

What is a simple machine consisting of a rope or cable that runs around a grooved wheel?

A

Pulley

32
Q

What changes the direction of the force that is applied to do work?

A

Simple Pulley

33
Q

This does not change the amount of force applied.

A

Fixed pulley

34
Q

What decreases the amount of input force required?

A

Movable pulley

35
Q

What is a multiple pulley system known as?

A

Block and tackle

36
Q

What is a simple machine that is made up of a circular object attached to a bar that turned like a wheel?

A

Wheel and axle

37
Q

This reduces the amount of force required to do work.

A

Wheel and axle

38
Q

What is used to raise water from a well?

A

Windlass

39
Q

What is a simple machine that consists of a flat surface with one end higher than the other?

A

Inclined plane

40
Q

What is an example inclined plane?

A

Ramp

41
Q

What decreases the input force required to move an object but increases the distance the force is applied?

A

Inclined plane

42
Q

What is a simple machine composed of one or two inclined planes placed back to back?

A

Wedge

43
Q

What is an example of a wedge?

A

Ax

44
Q

What is a simple machine consisting of a smooth cylinder with an inclined plane wrapped around it?

A

Screw

45
Q

What are the ridges of the screw called?

A

Threads

46
Q

The longer the distance, the less _____ is needed to do work.

A

Force

47
Q

These machines use electricity, gravity, burning fuel, human force, or magnetism to operate.

A

Compound and complex machines

48
Q

What is an example of a complex machine

A

Bicycle

Science 4th Qrt - Grd 6 (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions