Quiz about Science Club (20 Aug 2024)

Question 1

Why does ice stay at the top of oceans instead of sinking to the bottom?

Accepted Answer

Ice is less dense than liquid water.

Answer

Ice is colder than liquid water.

Answer

Ice is denser than liquid water.

Answer

Ice is warmer than liquid water.

Question 2

How do warm-blooded animals keep their temperature constant?

Accepted Answer

calories from the food make heat

Answer

stay active

Answer

draw heat from sunshine

Answer

burn fossil fuels

Question 3

Is it possible for a child to be exactly like its mother?

Accepted Answer

No. It gets only part of its genetic material from her.

Answer

No. It doesn't get genetic material from her.

Answer

Yes. It gets all of its genetic material from her.

Answer

Yes. It gets half of its genetic material from her.

Question 4

If a rabbit spots a cougar, the rabbit will turn and run away. Which body systems are involved?

Accepted Answer

all of the above

Answer

nervous system

Answer

muscular system

Answer

circulatory system

Question 5

Your teacher challenges you to design an experiment that needed a balance. Which would do it?

Accepted Answer

compare the mass of two types of rocks

Answer

compare the buoyancy of two types of clay

Answer

compare the sliding speed of two snails

Answer

compare the friction created by two rolling toy cars

Question 6

In the ocean food chain, which of the following is a producer?

Accepted Answer

seaweed

Answer

seagulls

Answer

tuna fish

Answer

clams

Question 7

If you ran out of wire, which would be a good substitute to complete the circuit?

Accepted Answer

tin foil

Answer

yarn

Answer

licorice strings

Answer

plastic spoon

Question 8

Look at the part of a bulb! The part shown by the letter H is called ....

Accepted Answer

metal filament

Answer

metal wire

Answer

glass cover

Answer

metal tip

Question 9

A student placed a pencil in a cup of water. The pencil appears broken because light

Accepted Answer

bends when it passes through water.

Answer

always travels in a straight line.

Answer

makes the water in the glass evaporate.

Answer

reflects the pencil on the water's surface.

Question 10

Which statement best explains why you can see yourself when you look at a mirror?

Accepted Answer

Light is reflected, bouncing off the mirror.

Answer

Light is refracted as it passes through the mirror.

Answer

Light is refracted, bouncing off the mirror.

Answer

Light is reflected as it passes through the mirror.

Question 11

Non-renewable energy often pollutes the environment, but renewable energy often is ....

Accepted Answer

clean energy

Answer

harmful

Answer

poisonous

Answer

smelly

Question 12

If it takes 2.5 hours to drive a distance of 183 km on a motorway, what would be your average speed in km/h?

Accepted Answer

73.2 km/h

Answer

72 km/h

Answer

73.1 km/h

Answer

74.3 km/h

Question 13

In a hydropower plant ______________.

Accepted Answer

potential energy possessed by stored water is converted into electricity.

Answer

kinetic energy possessed by stored water is converted into potential energy.

Answer

electricity is extracted from the water.

Answer

is when the water is converted into steam to produce electricity.

Question 14

Which of the following techniques is used to separate a mixture of liquids based on

their boiling techniques?

Accepted Answer

Distillation

Answer

Filtration

Answer

Chromatography

Answer

Precipitation

Question 15

Which of the following is a mixture of a solid and a liquid?

Accepted Answer

salt and water

Answer

sugar and salt

Answer

sand and pebble

Question 16

Mrs. Smith says "the moon looks larger than the stars!" What explains this?

Accepted Answer

the moon is closer to Earth than stars

Answer

The moons soaks up the star's light

Answer

The moon is larger than Earth

Answer

The moon is larger than stars

Question 17

Two wires carrying electricity can create a spark if they come too close together. This spark can start a fire. Wires carrying electricity are usually covered with plastic to keep them from starting a fire. Why does the plastic keep the electricity from starting a fire?

Accepted Answer

Plastic is a good insulator.

Answer

Plastic is softer than wire.

Answer

Plastic can melt when heated.

Answer

Plastic conducts electricity.

Question 18

A student adds 10 grams of four different powdered solids into four different beakers. The student then adds 100mL of water to each beaker, stirs the mixtures, and allows them to sit for half an hour before recording observations. Which question is the student most likely trying to answer with this investigation?

Accepted Answer

Which substances dissolve in water?

Answer

At what water temperature do the substances dissolve?

Answer

How much water is needed to cause a substance to change state?

Answer

What causes a substance to sink when put in water?

Question 19

What type of rock is limestone and sandstone?

Accepted Answer

Sedimentary rock

Answer

Intrusive igneous rock

Answer

Extrusive igneous rock

Answer

Metamorphic rock

Question 20

Choose the object that is an opaque object.

Accepted Answer

Wood

Answer

Paper

Answer

Glass

Answer

Water

Question 21

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 22

A solar eclipse is an astronomical phenomenon when the sky gets dark because the sunlight cannot reach the Earth. It can be a total eclipse, partial eclipse, or annual eclipse. A solar eclipse occurs when the (A) - (B) - (C) are in one parallel line. It is a rare phenomenon and lasts only in several minutes. Which one of the following options is the correct answer to replace (A), (B), and (C)?

Accepted Answer

(A): Sun, (B): Moon, (C): Earth

Answer

(A): Sun, (B): Earth, (C): Moon

Answer

(A): Earth, (B): Asteroid, (C): Sun

Answer

(A): Moon, (B): Sun, (C): Earth

Question 23

There are three kinds of heat movements; two of them are conduction and convection. Conduction is a heat transfer via direct molecular collision in solids whereas convection is a heat transfer in liquids.

The illustration above shows that an iron bar is heated with bunsen. If the position of the fire is at (x), in which point heat will transfer the last?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 24

The illustrations below show the sections of flowers of morning glory and pumpkin.

Among d to h, which one(s) has the same function as c?

Accepted Answer

d

Answer

d and f

Answer

f

Answer

f

Question 25

When Preeda warms both the beaker and flask at the same time, what will happen to the water level inside the beaker?

Accepted Answer

The water level will decrease.

Answer

There is a possibility of both increase and decrease in water level.

Answer

The water level will not change.

Answer

The water level will not change.

Question 26

Which illustration correctly shows the shadow based on the position of the mug when Rihanna moved the flashlight getting further to the mug?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

None of these

Question 27

Why can we tell the time using the shadow stick or sundial?

Because the shadow___________________________ through the day.

Accepted Answer

changes in length and position.

Answer

doesn't change.

Answer

changes in length and doesn't change in position

Answer

changes in position and doesn't change length

Question 28

Sound is a vibration that travels through a medium as a wave. Freddy did an experiment to

prove this theory as illustrated below. He spread 1 tablespoon of salt on top of the bowl

which is covered with plastic wrap. He held the metal tray in the air but next to the bowl.

Then, by using a metal spoon, he hit the metal tray like a drum while observing the salt.

What is the result of this experiment?

Accepted Answer

The salt is moving because sound vibration is transferred through air and reach the

plastic wrap.

Answer

The salt is not moving because sound vibration cannot be transferred through

different media.

Answer

The salt is not moving because sound vibration has not enough power to move thing.

Answer

The salt is moving because sound vibration is transferred to the bowl first and then

reach the plastic wrap.

Science Club (20 Aug 2024)

29 questions