Quiz about Science 3rd Qtr

Question 1

_____________ are units of measurement defined by an agreement among scientists all over the world.

Accepted Answer

SI Base Units or International System of Units

Answer

Frequency

Answer

Metric System

Answer

English System

Question 2

The standard unit of measure for temperature is...

Accepted Answer

Kelvin (K)

Answer

Ampere (A)

Answer

Celsius (C)

Answer

Thermometer

Question 3

The standard unit of measure for luminous intensity is...

Accepted Answer

candela (cd)

Answer

ampere (A)

Answer

kelvin (K)

Answer

mole (mol)

Question 4

The standard unit of measure for mass is...

Accepted Answer

kilogram (kg)

Answer

gram (g)

Answer

milligram (mg)

Answer

cup (c)

Question 5

The standard unit of measure for electric current is...

Accepted Answer

ampere (A)

Answer

voltage (V)

Answer

watt (W)

Answer

candela (cd)

Question 6

It is the amount of space an object occupies.

Accepted Answer

Volume

Answer

matter

Answer

mass

Answer

kilogram

Question 7

It is a measure of the expanse of a certain surface.

Accepted Answer

Area

Answer

Volume

Answer

Distance

Answer

Depth

Question 8

An object that travels 20 meters in 5 seconds is slower than an object that travels 5 meters in 20 seconds. True or False?

Accepted Answer

False

Answer

True

Question 9

Which of the following serves as the basis for determining whether an object has moved or not?

Accepted Answer

reference point

Answer

another moving object

Answer

the surroundings

Answer

the Sun

Question 10

To get the distance covered by an object, the speed by which it moves is multiplied by which quantity?

Accepted Answer

time

Answer

motion

Answer

volume

Answer

length

Question 11

Solve. I am giving you 2 minutes.

You covered a distance of 120 km at a speed of 60 km/hr. How long was your trip?

Accepted Answer

2 hours long

Answer

5 hours long

Answer

4 hours long

Answer

an hour long

Question 12

Which of the following is the formula for speed?

Accepted Answer

distance / time

Answer

distance x distance

Answer

distance x time

Answer

distance / speed

Question 13

What is the purpose of a reference point in relation to motion?

Accepted Answer

serves as basis for an object's motion

Answer

defines speed of a moving object

Answer

determines the distance traveled

Answer

describes the motion of an object

Question 14

Cecille reads a road sign that says, "Speed Limit -- 60 kph". What must she do?

Accepted Answer

Her speed should not exceed 60 km/h.

Answer

Her speed should be 60 km/h all the time.

Answer

Her average speed should be 60 km/h.

Answer

Her speed should not be below 60 km/h.

Question 15

It is a form of energy and electromagnetic radiation.

Accepted Answer

Light

Answer

Electron

Answer

Heat

Answer

Sound

Question 16

___________ is the bouncing of light from a surface.

Accepted Answer

Reflection

Answer

Refraction

Answer

Rarefaction

Answer

Reconstruction

Question 17

It is the bending of light when it travels from a less dense medium to a denser medium.

Accepted Answer

Refraction

Answer

Reflection

Answer

Restriction

Answer

Rarefaction

Question 18

The retina of your eyes uses rods and cones to process light. The rods see ________, ________, and ____________ and distinguish one type of form or shape from another.

Accepted Answer

black, white and shades of gray

Answer

red, blue and green

Answer

red, blue and yellow

Answer

orange, green and purple

Question 19

The cones in our eyes sense __________.

Accepted Answer

color

Answer

shadow

Answer

figures

Answer

shapes

Question 20

True or false?

Translucent objects do not allow light to pass through them.

Accepted Answer

False

Answer

True

Answer

Sometimes

Question 21

Some deep-sea fishes use bioluminescence as a source of light.

True or false?

Accepted Answer

True

Answer

False

Question 22

Light is absorbed only in opaque objects.

True or false?

Accepted Answer

False

Answer

True

Question 23

Which materials allow most light to pass through them?

Accepted Answer

Transparent

Answer

Opaque

Answer

Translucent

Question 24

Which materials allow some light to pass through them?

Accepted Answer

Translucent

Answer

Transparent

Answer

Opaque

Question 25

Which materials do not allow light to pass through them?

Accepted Answer

Opaque

Answer

Translucent

Answer

Transparent

Question 26

__________ refers to the ability of certain objects to allow light to pass through them.

Accepted Answer

Transparency

Answer

Translucency

Answer

Opacity

Question 27

A thin sheet of paper is considered a/an ___________ object.

Accepted Answer

Translucent

Answer

Transparent

Answer

Opaque

Question 28

It is a form of energy produced through vibrations.

Accepted Answer

Sound

Answer

Light

Answer

Heat

Answer

Wave

Question 29

___________ refers to how many complete waves pass through a particular point in the medium per unit time. The human ear perceives it as pitch.

Accepted Answer

Frequency

Answer

Sound

Answer

Vibration

Answer

Loudness

Question 30

Sound travels through air at a speed of about ____ m/s.

Accepted Answer

340

Answer

450

Answer

520

Answer

600

Question 31

Sound travels _______ times faster through water than through air.

Accepted Answer

4

Answer

10

Answer

20

Answer

2

Question 32

Sound requires a/an ___________ to travel.

Accepted Answer

medium

Answer

voice

Answer

air

Answer

vibration

Question 33

Sound travels faster than light.

True or false?

Accepted Answer

False

Answer

True

Question 34

The pitch of a sound produced by a guitar depends on the thickness of the strings.

Accepted Answer

True

Answer

False

Question 35

Bats use ____________ to navigate their way around their environment

Accepted Answer

echolocation

Answer

sonic boom

Answer

GPS

Answer

vibrations

Question 36

The noise you hear when an airplane flies faster than the speed of sound is called _______________.

Accepted Answer

sonic boom

Answer

vibration

Answer

decibel

Answer

echolocation

Question 37

What was developed by humans for navigation and detection of objects, that is used only under the water?

Accepted Answer

SOund Navigation And Ranging (SONAR)

Answer

National Aeronautics and Space Administration (NASA)

Answer

RAdio Detection And Ranging (RADAR)

Answer

Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)

Question 38

What was developed by humans for navigation and detection of objects, that is used only on open air?

Accepted Answer

RAdio Detection And Ranging (RADAR)

Answer

Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)

Answer

SOund Navigation And Ranging (SONAR)

Answer

National Aeronautics and Space Administration (NASA)

Question 39

___________ is a form of energy that we often relate to temperature.

Accepted Answer

Heat

Answer

Sound

Answer

Time

Answer

Light

Question 40

An __________ is a reflection of sound.

Accepted Answer

echo

Answer

pitch

Answer

vibration

Answer

tempo

Question 41

The loudness of sound is measured in terms of the unit ___________.

Accepted Answer

decibel

Answer

pitch

Answer

tempo

Answer

ampere

Question 42

True or false...?

Sound waves can travel through air, water, solids and through a vacuum.

Accepted Answer

False

Answer

True

Question 43

It is the kinetic energy that an object, material, or system possesses due to the motion of its molecules.

Accepted Answer

internal energy

Answer

conductors

Answer

heat

Answer

insulation

Question 44

The process that describes how heat energy moves through colliding molecules that do not move too far and keep on returning to their original position.

Accepted Answer

conduction

Answer

convection

Answer

insulation

Answer

thermal expansion

Question 45

Materials that conduct heat easily.

Accepted Answer

conductors

Answer

insulators

Answer

electricity

Answer

paper

Question 46

These materials are poor conductors of heat.

Accepted Answer

insulators

Answer

conductors

Answer

copper

Answer

water

Question 47

True or false?...

The molecular structure of a material is what determines whether it is a good conductor or a good insulator.

Accepted Answer

True

Answer

False

Question 48

It is the expansion of the space that an object occupies due to heat being transferred to it.

Accepted Answer

thermal expansion

Answer

conduction

Answer

convection

Answer

insulation

Question 49

What do you call the process of cooler water sinking and heated water rising until all of the water is heated?

Accepted Answer

convection

Answer

insulation

Answer

boiling

Answer

conduction

Question 50

This happens when matter changes from one phase to another.

Accepted Answer

phase change

Answer

evaporation

Answer

melting

Answer

freezing

Question 51

This happens to a material when it undergoes changes in molecular composition.

Accepted Answer

chemical change

Answer

heat transfer

Answer

phase change

Answer

physical change

Question 52

Which is not an effect of heat?

Accepted Answer

lowering of temperature

Answer

expansion of objects

Answer

chemical change

Answer

phase change

Question 53

All are examples of renewable sources except...

Accepted Answer

coal

Answer

wind

Answer

biomass

Answer

solar

Question 54

An area in the space around a magnet within which magnetic forces are exerted is the...

Accepted Answer

magnetic field

Answer

generator power

Answer

electrical energy

Answer

electromagnetic induction

Question 55

A device that can measure current is a/an

Accepted Answer

ammeter

Answer

galvanometer

Answer

motor

Answer

generator

Question 56

It is made up of protons, neutrons and electrons.

Accepted Answer

Atoms

Answer

Matter

Answer

Molecules

Answer

Nucleus

Question 57

It is the flow of electrons through conducting materials

Accepted Answer

electricity

Answer

magnet

Answer

atoms

Answer

current electricity

Question 58

Positively charged particles of an atom

Accepted Answer

protons

Answer

nucleus

Answer

neutrons

Answer

electrons

Question 59

atomic particles without any charge

Accepted Answer

neutrons

Answer

electrons

Answer

protons

Answer

atoms

Question 60

negatively charged particles of an atom

Accepted Answer

electrons

Answer

neutrons

Answer

protons

Answer

circuit

Question 61

A motor is a machine that converts electrical energy into mechanical energy.

A ___________ is a machine that converts mechanical energy to electrical energy.

Accepted Answer

generator

Answer

turbine

Answer

power plant

Answer

battery pack

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