Quiz about Science Milestones Review

Question 1

What is the number of protons that the element in this image contain?

Accepted Answer

7

Answer

14

Answer

15

Answer

18

Question 2

What are the 3 particles that make-up the atom?

Accepted Answer

protons, neutrons, and electrons

Answer

protons, neutrons, and isotopes

Answer

neutrons, isotopes, and electrons

Answer

positives, negatives, and electrons

Question 3

Electrons are

Accepted Answer

negative and outside of the nucleus

Answer

negative and in the nucleus

Answer

positive and at the edge of the atom

Answer

not in an atom

Question 4

An element is a

Accepted Answer

pure substance

Answer

compound

Answer

mixture

Answer

molecule

Question 5

Particles in an atom that are neutral and have no charge are

Accepted Answer

neutrons

Answer

negatrons

Answer

electrons

Answer

protons

Question 6

An atom with atomic number 6 would have how many protons

Accepted Answer

6

Answer

12

Answer

3

Answer

cannot be determined

Question 7

The central region of an atom where its neutrons and protons are is its

Accepted Answer

nucleus

Answer

electron cloud

Answer

core

Answer

center

Question 8

Each column in the periodic table is called a

Accepted Answer

group

Answer

period

Answer

cluster

Answer

unit

Question 9

The atomic number of this pictured element is

Accepted Answer

28

Answer

58.6934

Answer

Ni

Answer

Nickel

Question 10

What does the 6 represent?

Accepted Answer

atomic number

Answer

Atomic mass

Answer

chemical symbol

Answer

element name

Question 11

True/False: Metals are poor conductors of electricity.

Accepted Answer

FALSE

Answer

TRUE

Question 12

Metals are good conductors of heat.

Accepted Answer

TRUE

Answer

FALSE

Question 13

Carbon (C) and Oxygen (O) have the same chemical/physical properties as carbon dioxide (CO₂).

Accepted Answer

False

Answer

True

Question 14

_________ must have at least 2 or more different atoms/elements.

Accepted Answer

Compounds

Answer

Molecules

Answer

Elements

Answer

Protons

Question 15

The Element Symbol for Sodium is

Accepted Answer

Na

Answer

Mg

Answer

Au

Answer

Cl

Question 16

How many atoms TOTAL does the compound CO₂have?

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Question 17

In this picture, the Electrons are found in which color?

Accepted Answer

Green

Answer

Blue

Answer

Red

Question 18

The Periodic Table arranges Elements in order by

Accepted Answer

increasing Atomic Number

Answer

decreasing Atomic Mass

Answer

decreasing Atomic Number

Answer

increasing Atomic Mass

Question 19

Matter in the universe is made from atoms.  Atoms make up these pure substances that cannot be broken down into a simpler form.

Accepted Answer

Elements

Answer

Compounds

Answer

Molecules

Answer

Periodic Table

Question 20

Sound waves are transmitted fastest through

Accepted Answer

solids

Answer

air

Answer

liquids

Answer

a vacuum

Question 21

It was a cold, sunny day and the ground was covered with fresh snow.  Maria word her black sweatshirt outside to plat in the snow.  She knew that black would _________ light waves and help keep her warm.

Accepted Answer

absorb

Answer

diffract

Answer

reflect

Answer

refract

Question 22

Why does the human eye observe the different colors of a rainbow?

Accepted Answer

The eye sees different wavelengths of light as different colors

Answer

White light is broken down in the eye into its separate colors

Answer

Different colors of light travel at different speeds to the eye

Answer

The eye sees different colors of light in different locations of the eye

Question 23

In order for a fish to see a bug just above the surface of the water, light travels from the insect through the air and crosses into the water until it reaches the fishes' eye.  Which statement is true regarding the light wave as it travels?

Accepted Answer

It will bend as it hits the water because it slows down

Answer

it will bend as it hits the water because the water particles move slower than air

Answer

it will travel straight from the bug to the fishes' eye because that is the most direct path

Answer

it will travel straight from the bug to the fishes' eye because it will continue to travel at the speed of light

Question 24

As the fire truck approached Mary, the pitch of the siren got higher.  Once the fire truck passed and moved away, the siren's pitch got lower.  This change in pitch is because of a change in the sound wave's

Accepted Answer

frequency

Answer

amplitude

Answer

concussion

Answer

reflection

Question 25

Porous building materials are often used on the surfaces in classrooms and restaurants because these surface tend to __________ sound waves.

Accepted Answer

absorb

Answer

refract

Answer

reflect

Answer

transmit

Question 26

As light waves pass through openings in a barrier or around the edges of an object, the waves change direction or

Accepted Answer

diffract

Answer

are absorbed

Answer

reflect

Answer

refract

Question 27

Salt (NaCl) is a common substance.  Salt is which of these?

Accepted Answer

compound

Answer

atom

Answer

element

Answer

mixture

Question 28

Jeff was riding in a car.  Which change demonstrates the GREATEST effect of inertia?

Accepted Answer

The car makes a sudden stop

Answer

the car slows down gradually

Answer

the car changes into another lane

Answer

the car runs out of gas and rolls to a stop

Question 29

Manuel is coasting on his bike.  Because he is not pedaling, his bike will come to a stop.  Which of these will cause Manuel's bike to stop?

Accepted Answer

the force of friction

Answer

an increase in kinetic energy

Answer

Earth's magnetic field

Answer

the property of inertia

Question 30

Josie sees lightning off in the distance.  A few seconds later she hears thunder.  What can Josie conclude?

Accepted Answer

Light waves travel faster than sound waves

Answer

Sound waves do not travel long distances

Answer

Sound waves are weaker than light waves

Answer

Light waves last longer than sound waves

Question 31

Students poured equal amounts of different liquids to see how the liquids became layered.  The denser liquids layered at the bottom. The lighter liquids layered at the top.  Which tool should the students us in this experiment?

Accepted Answer

a graduated cylinder

Answer

A balance scale

Answer

a thermometer

Answer

a magnet

Question 32

Tom places four objects in a tank of water. He makes the following observations.-A cork floats-A rock sinks-A soda can floats-A piece of chalk sinks. Which statement is correct based on Tom's observations?

Accepted Answer

The rock and the chalk have a density greater than water

Answer

The rock and the chalk have a density less than water

Answer

The cork and the can of soda have a density equal to water

Answer

The cork and the can of soda have a density greater than water

Question 33

Sam and Brian went mountain climbing.  Each boy carried a 196 Newton backpack.  As the boys climbed to the top of the mountain, the weight of the packs actually decreased by a small amount.  This decrease in weight was caused by

Accepted Answer

increased distance from the earth's center

Answer

increased air pressure

Answer

decreased air temperature

Answer

Increased attraction from the moon

Question 34

A scientist combines oxygen and hydrogen to form water.  This combination illustrates that water is

Accepted Answer

A compound

Answer

An atom

Answer

An element

Answer

A mixture

Question 35

What is the smallest particle of the element gold (Au) that can still be classified as gold?

Accepted Answer

Atom

Answer

Proton

Answer

Neutron

Answer

Molecule

Question 36

In a laboratory, a sealed container with 100 g of steam is cooled until all the steam becomes a liquid.  The container is then cooled further until all the water becomes a solid.  Which of the following remains constant during both of these changes?

Accepted Answer

The mass of the water

Answer

the pressure in the container

Answer

the total energy of the water

Answer

the position of the atoms in the container

Question 37

A mixture of iron fillings and sulfur can easily be separated by

Accepted Answer

using a magnet

Answer

Placing the mixture in water

Answer

performing a chemical reaction

Answer

heating the mixture

Question 38

A chemical reaction produces two new substance, and each product has a mass of 50 grams.  What was the total mass of the reactants

Accepted Answer

100 grams

Answer

25 grams

Answer

50 grams

Answer

1000 grams

Question 39

The atom is composed of electrons, protons, and neutrons.  What is the electric charge on the neutron?

Accepted Answer

0

Answer

-1

Answer

+1

Answer

+2

Question 40

Which of the following is an example of kinetic energy?

Accepted Answer

A baseball moving from the pitcher to the catcher

Answer

A rock sitting on the top of a large hill

Answer

A pendulum at the top of it swing

Answer

A new flashlight battery

Question 41

Which of the following is an example of a physical change but not a chemical change

Accepted Answer

A water pipe freezes and cracks on a cold night

Answer

A log gives off heat and light as it burns

Answer

A tree stores energy from the Sun in its fruit

Answer

A penny lost in the grass slowly changes color

Question 42

Energy of motion is which type of energy?

Accepted Answer

Kinetic

Answer

Potential

Answer

Sound

Answer

Gravitational

Question 43

What type of energy is in this picture?

Accepted Answer

Potential

Answer

Kinetic

Answer

Chemical

Answer

Sound

Question 44

When plants convert the sun's energy into food, which type of energy is it?

Accepted Answer

chemical

Answer

kinetic

Answer

thermal

Answer

radiant

Question 45

What kind of energy is represented in this picture?

Accepted Answer

Thermal

Answer

Potential

Answer

Nuclear

Answer

Mechanical

Question 46

What kind of energy does this device use?

Accepted Answer

Electrical

Answer

Solar

Answer

Thermal

Answer

Mechanical

Question 47

What kind of energy is represented in the picture?

Accepted Answer

Chemical

Answer

Thermal

Answer

Sound

Answer

Nuclear

Question 48

A battery converts what type of energy to another?

Accepted Answer

chemical to electrical

Answer

sound to kinetic

Answer

light to heat

Answer

mechanical to electrical

Question 49

The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?

Accepted Answer

chemical to light

Answer

thermal to light

Answer

gravitational to potential

Answer

radiant to electrical

Question 50

On a roller coaster, where is maximum potential energy?

Accepted Answer

At the top of a big hill

Answer

At the bottom of a big hill

Answer

When going around a corner

Answer

When going upside down

Question 51

What machine changes electrical energy into light and sound energy?

Accepted Answer

alarm clock

Answer

battery

Answer

lightbulb

Answer

apple

Question 52

Energy caused by the movement in the particles of matter. It is a form of kinetic energy.

Accepted Answer

Thermal energy

Answer

Nuclear energy

Answer

Sound energy

Answer

Light energy

Question 53

According to which law of energy, energy can't be created or destroyed?

Accepted Answer

law of conservation of energy

Answer

First law of motion

Answer

The law of tacos

Answer

Laws of Energy

Question 54

The purpose of the panels is to change solar energy into ____________.

Accepted Answer

electrical energy

Answer

light energy

Answer

chemical energy

Answer

mechanical energy

Question 55

A hairdryer converts --

Accepted Answer

electrical energy into thermal

Answer

electrical energy into chemical

Answer

chemical energy into mechanical

Answer

thermal energy into mechanical

Question 56

When a hot object touches a cooler object, heat energy is transferred from the warmer object to the cooler object through:

Accepted Answer

conduction

Answer

radiation

Answer

electrical energy

Answer

solar heating

Question 57

You and your family are sitting around a campfire.  You can feel the heat on your face, even when you back your seat away from the fire.  The heat energy from the fire warms your face through:

Accepted Answer

radiation

Answer

light energy from the fire

Answer

conduction

Answer

chemical reactions in the fire

Question 58

Choose the best example that represents heat transfer through convection.

Accepted Answer

inflating a hot air balloon

Answer

burning yourself on a hot iron

Answer

lighting a bulb using a battery and wires

Answer

getting a sun tan

Question 59

Which is an example of potential energy?

Accepted Answer

the pulled back string on an archers's bow

Answer

a roller coaster speeding down a hill

Answer

releasing the strings on a guitar

Answer

an electric current lighting a light bulb

Question 60

Warm air rises and cool air sinks due to...

Accepted Answer

Convection

Answer

Radiation

Answer

Conduction

Question 61

What kind of wave can travel through space?

Accepted Answer

electromagnetic waves

Answer

compressional waves

Answer

transverse waves

Answer

longitudinal waves

Question 62

The lowest part of the wave is?

Accepted Answer

trough

Answer

crest

Answer

point of origin

Answer

compression point

Question 63

The highest point of a wave is?

Accepted Answer

crest

Answer

trough

Answer

point of origin

Answer

comppression point

Question 64

The action of a wave bouncing off a surface is called __________________.

Accepted Answer

reflection

Answer

rarefaction

Answer

refraction

Answer

diffraction

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