science semester review

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Question 1 of 58

Define acceleration

Select one or more of the following:

The rate of change of an object velocity
All forces combined acting on an object
The rate at which an object changes its position
Push or pull
The resistance an object has a change its motion
The rate an object Covers distance "how fast?"

Explanation

Question 2 of 58

Define velocity

Select one or more of the following:

The rate of change of an objects velocity
All forces combined acting on an object
The rate at which an object changes its position
Push or a pull
The resistance an object has to change its motion
The rate an object covers distance "how fast?"

Explanation

Question 3 of 58

Define inertia

Select one or more of the following:

The rate of change of an objects velocity
All forces combined acting on an object
The rate at which an object changes its position
Push or a pull
The resistance and object has to change its motion
The rate an object covers distance "how fast?"

Explanation

Question 4 of 58

Define net force

Select one or more of the following:

The rate of change of an objects velocity
All forces combined acting on an object
The rate at which an object changes its position
Push or a pull
The resistance and object has to change its motion
The rate an object covers distance "how fast?"

Explanation

Question 5 of 58

Define force

Select one or more of the following:

The rate of change of an objects velocity
All forces combined on an object
The rate at which an object changes position
Push or a pull
The resistance on an object has to change its motion
The rate an object covers distance "how fast?"

Explanation

Question 6 of 58

Define speed

Select one or more of the following:

The rate of change of an objects velocity
All forces combined acting on an object
The rate at which an object changes its position
Push or a pull
No resistance an object has the change its motion
The rate an object covers distance "how fast?"

Explanation

Question 7 of 58

A person walks 3.5 mph

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 8 of 58

A bike goes 30 m/s toward town

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 9 of 58

A greyhound dog can run about 40 mph

Select one of the following:

Speed
Velocity
Celebration

Explanation

Question 10 of 58

Monarch butterflies fly 12 mph south as they migrate

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 11 of 58

A car slows from 60 m/h to 25 mph

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 12 of 58

A car turns left while maintaining the same speed

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 13 of 58

A trick from Austin to Dallas takes about three hours going 65 mph north

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 14 of 58

Canadian geese fly approximately 75 mph

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 15 of 58

A car increases speed from 70 mph to 65 mph

Select one of the following:

Speed
Velocity
Acceleration

Explanation

Question 16 of 58

Is the net force 100N

Select one of the following:

True
False

Explanation

Question 17 of 58

The forceS are balanced

Select one of the following:

True
False

Explanation

Question 18 of 58

There is no movement

Select one of the following:

True
False

Explanation

Question 19 of 58

The net force is 20 N

Select one of the following:

True
False

Explanation

Question 20 of 58

The forces are balanced

Select one of the following:

True
False

Explanation

Question 21 of 58

It will move to the left 60 N

Select one of the following:

True
False

Explanation

Question 22 of 58

What is Newton's first law? give example.

Select one or more of the following:

And object are at rest remains at rest and object in motion remains in motion unless acted on by all unbalanced force
F=m(a) all forces are unbalanced and the object has accleration which depends on net force and mass of an object
For every action there is an opposite and equal reaction

Explanation

Question 23 of 58

What is newtons 2nd law?

Select one of the following:

An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
All forces are in balance and the object has acceleration which depends on the net force and mass of the object F = M(a)
For every action there is an opposite and equal reaction

Explanation

Question 24 of 58

What is newtons third law

Select one of the following:

An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
all forces are unbalanced and the object has acceleration which depend on net force mass of an object f=m(a)
Every action there is an opposite and equal reaction

Explanation

Question 25 of 58

What sign is force?

Select one of the following:

N or F
A
M

Explanation

Question 26 of 58

What sign is acceleration

Select one of the following:

N or F
A
M

Explanation

Question 27 of 58

What is the sign for mass

Select one of the following:

N or F
A
M

Explanation

Question 28 of 58

What is the equation used to find speed

Select one of the following:

S =A/T
S=A(T)
S=M(A)

Explanation

Question 29 of 58

If a person pulls on a cart to the right with a force of 20 N and a second person pulls to the left with a force of 15N what is the net force and direction of the cart?

Select one of the following:

5N to the right
5N to the left
8N to the right

Explanation

Question 30 of 58

If a person is pushing a cart 40 N and It accelerate .5 m/s^2 what is the mass of the cart

Select one of the following:

8 kg
.5 kg
67kg

Explanation

Question 31 of 58

What is the acceleration of a 2 kg rock that is thrown at the force of 15 N

Select one of the following:

8 m/s^2
1.5 m/s^2
3000 m/s^2

Explanation

Question 32 of 58

I want to 150 kg object is accelerating at the rate of 20 m/s calculate the force needed to produce this acceleration

Select one of the following:

25 N
3000N
300N

Explanation

Question 33 of 58

A car travels 2.5 hours in at northerly direction for 300 km determine the car speed and the velocity

Select one of the following:

80 kilometers per hour North
3000 kilometers per hour North
120 kilometer Per hour North

Explanation

Question 34 of 58

Click on each orange point and write the correct answer.

What is happening at each point

Explanation

Question 35 of 58

Which graph segments that the following
Constant speed : ❌
Deceleration : ❌
Accelerating : ❌

Select option below to complete the highlighted text

Explanation

Question 36 of 58

Click on each orange point and write the correct answer.

Complete the table

Explanation

Question 37 of 58

Fill the blank spaces to complete the text.

Proton is
Neutron is
Electrons is

Explanation

Question 38 of 58

Fill the blank spaces to complete the text.

Ape A= P= E= Are the same in a atom
Man M= -A= =N=

Explanation

Question 39 of 58

Label with these words: metals, nonmetals, metalloids, periods, groups, horizontal, vertical, most reactive, and least reactive.

Select correct option below corresponding to the highlighted orange point

Metals

Non-metal

Metalloids

Periods

Groups

Horizontal

Vertical

Most reactive

Least reactive

Explanation

Question 40 of 58

Click on each orange point and write the correct answer.

Complete the table

Explanation

Question 41 of 58

Fill the blank spaces to complete the text.

What is the atomic number of the Atom?
What is the mass number of the Atom?
What is the name of the element represented?
What is the chemical symbol of the element?

Explanation

Question 42 of 58

the group with 7 valance electrons is halogens

Select one of the following:

True
False

Explanation

Question 43 of 58

Group 8 on the periodic table is alkali metals

Select one of the following:

True
False

Explanation

Question 44 of 58

Which not belong?

Select one of the following:

Vertical column
Group
Period
Valance electrons

Explanation

Question 45 of 58

Which does not belong

Select one of the following:

Group
Period
Seven
Horizontal rows

Explanation

Question 46 of 58

Which does not belong

Select one of the following:

Neon
Nitrogen
Helium
Argon

Explanation

Question 47 of 58

Which does not belong

Select one of the following:

Nonmetal
Oxygen
Gain electrons
Calcium

Explanation

Question 48 of 58

Which does not belong

Select one of the following:

Copper
Silver
Zinc
Gold

Explanation

Question 49 of 58

Which does not belong

Select one of the following:

Silver
Nickel
Cobalt
Iron

Explanation

Question 50 of 58

Fill the blank spaces to complete the text.

Electron name:
Protons:
Electrons:
Neutrons:
Valence electrons:

Explanation

Question 51 of 58

Fill the blank spaces to complete the text.

Element name:
Protons:
Electrons:
Neutrons:
Valence electrons:

Explanation

Question 52 of 58

Fill the blank spaces to complete the text.

Element name:
Protons:
Electrons:
Neutrons:
Valence electrons:

Explanation

Question 53 of 58

the subscript indicates the number of molecules

Select one of the following:

True
False

Explanation

Question 54 of 58

the coefficient indicates the number of molecules

Select one of the following:

True
False

Explanation

Question 55 of 58

Click on each orange point and write the correct answer.

How many of each atom are in theses formulas

Explanation

Question 56 of 58

Click on each orange point and write the correct answer.

How many of each Atoms are in the formulas

Explanation

Question 57 of 58

Is this balanced?

Select one of the following:

Yes
No carbon destroyed and oxygen created

Explanation

Question 58 of 58

Click on each orange point and write the correct answer.

1. Identify each substance by name
2. Determine if substance is an element or compound
3. Tell if substance is a symbol or formula
4. Decide if substance is an Atom or molecule

{"25.274_14.0127":[{"id":5751935,"answer":"Oxygen","x":25.274,"y":14.0127}],"21.9984_22.293":[{"id":5751936,"answer":"Oxygen","x":21.9984,"y":22.293}],"32.9811_6.36943":[{"id":5751945,"answer":"✖️","x":32.9811,"y":6.36943}],"36.0639_13.3758":[{"id":5751940,"answer":"✔️","x":36.0639,"y":13.3758}],"23.3472_33.758":[{"id":5751937,"answer":"Carbon dioxide","x":23.3472,"y":33.758}],"33.9445_23.5669":[{"id":5751941,"answer":"✖️","x":33.9445,"y":23.5669}],"44.5418_12.7389":[{"id":5751948,"answer":"✖️","x":44.5418,"y":12.7389}],"33.3665_35.0318":[{"id":5751942,"answer":"✖️","x":33.3665,"y":35.0318}],"19.1083_46.4968":[{"id":5751938,"answer":"Ammonia","x":19.1083,"y":46.4968}],"41.6516_31.8471":[{"id":5751947,"answer":"✔️","x":41.6516,"y":31.8471}],"46.2759_25.4777":[{"id":5751946,"answer":"✔️","x":46.2759,"y":25.4777}],"30.669_47.1338":[{"id":5751943,"answer":"✖️","x":30.669,"y":47.1338}],"53.5977_17.1975":[{"id":5751951,"answer":"O","x":53.5977,"y":17.1975}],"53.7903_28.6624":[{"id":5751952,"answer":"✖️","x":53.7903,"y":28.6624}],"62.6535_14.6497":[{"id":5751956,"answer":"✖️","x":62.6535,"y":14.6497}],"53.0196_38.8535":[{"id":5751953,"answer":"✖️","x":53.0196,"y":38.8535}],"29.1275_59.8726":[{"id":5751944,"answer":"✖️","x":29.1275,"y":59.8726}],"42.615_51.5924":[{"id":5751949,"answer":"✖️","x":42.615,"y":51.5924}],"19.879_64.3312":[{"id":5751939,"answer":"Chlorine","x":19.879,"y":64.3312}],"62.6535_25.4777":[{"id":5751957,"answer":"O2","x":62.6535,"y":25.4777}],"52.0562_50.3185":[{"id":5751954,"answer":"✖️","x":52.0562,"y":50.3185}],"39.7248_62.4204":[{"id":5751950,"answer":"✖️","x":39.7248,"y":62.4204}],"64.195_38.8535":[{"id":5751958,"answer":"CO2","x":64.195,"y":38.8535}],"73.6362_16.5605":[{"id":5751961,"answer":"✔️","x":73.6362,"y":16.5605}],"75.1776_31.8471":[{"id":5751962,"answer":"✖️","x":75.1776,"y":31.8471}],"51.8636_64.9682":[{"id":5751955,"answer":"✖️","x":51.8636,"y":64.9682}],"64.5803_52.8662":[{"id":5751959,"answer":"NH3","x":64.5803,"y":52.8662}],"74.2142_41.4013":[{"id":5751963,"answer":"✖️","x":74.2142,"y":41.4013}],"74.7923_53.5032":[{"id":5751964,"answer":"✖️","x":74.7923,"y":53.5032}],"65.5437_69.4268":[{"id":5751960,"answer":"Cl2","x":65.5437,"y":69.4268}]}

Explanation

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	Created by alexis s almost 9 years ago

chemisty,motion,and earth

science semester review

science semester review

Question 1 of 58

Define acceleration

Select one or more of the following:

Explanation

Question 2 of 58

Define velocity

Select one or more of the following:

Explanation

Question 3 of 58

Define inertia

Select one or more of the following:

Explanation

Question 4 of 58

Define net force

Select one or more of the following:

Explanation

Question 5 of 58

Define force

Select one or more of the following:

Explanation

Question 6 of 58

Define speed

Select one or more of the following:

Explanation

Question 7 of 58

A person walks 3.5 mph

Select one of the following:

Explanation

Question 8 of 58

A bike goes 30 m/s toward town

Select one of the following:

Explanation

Question 9 of 58

A greyhound dog can run about 40 mph

Select one of the following:

Explanation

Question 10 of 58

Monarch butterflies fly 12 mph south as they migrate

Select one of the following:

Explanation

Question 11 of 58

A car slows from 60 m/h to 25 mph

Select one of the following:

Explanation

Question 12 of 58

A car turns left while maintaining the same speed

Select one of the following:

Explanation

Question 13 of 58

A trick from Austin to Dallas takes about three hours going 65 mph north

Select one of the following:

Explanation

Question 14 of 58

Canadian geese fly approximately 75 mph

Select one of the following:

Explanation

Question 15 of 58

A car increases speed from 70 mph to 65 mph

Select one of the following:

Explanation

Question 16 of 58

Is the net force 100N

Select one of the following:

Explanation

Question 17 of 58

The forceS are balanced

Select one of the following:

Explanation

Question 18 of 58

There is no movement

Select one of the following:

Explanation

Question 19 of 58

The net force is 20 N

Select one of the following:

Explanation

Question 20 of 58

Which graph segments that the following
Constant speed : ❌
Deceleration : ❌
Accelerating : ❌

Proton is
Neutron is
Electrons is