Quiz about Science Quiz grade 7 Thea Rafa

Question 1

What is the best definition of science?

Accepted Answer

The study of nature by watching and experimenting

Answer

Drawing pictures and reading books

Answer

Telling stories and writing books

Answer

Playing games with friends

Question 2

Which of the following is a branch of science that studies living things?

Accepted Answer

Biology

Answer

Chemistry

Answer

Geology

Answer

Astronomy

Question 3

What does astronomy study?

Accepted Answer

Stars, planets, and other space objects

Answer

Plants and animals

Answer

The inside of the Earth

Answer

Air and sound

Question 4

What is the study of matter and how it behaves called?

Accepted Answer

Chemistry

Answer

Biology

Answer

Geology

Answer

Physics

Question 5

What is physics the study of?

Accepted Answer

Motion, forces, and energy

Answer

Rocks and fossils

Answer

The body and blood

Answer

Sound and smell

Question 6

Which question below relates to chemistry?

Accepted Answer

Why do lemons taste sour?

Answer

Why do birds fly?

Answer

Why do stars shine?

Answer

Why do earthquakes happen?

Question 7

Which of the following best shows why science is important for non-scientists?

Accepted Answer

To solve problems and understand the world

Answer

So they can become doctors

Answer

To understand movies better

Answer

To make more money

Question 8

Which of these shows how physics helps us?

Accepted Answer

Understanding how we move our bodies

Answer

Learning the names of plants

Answer

Studying the shape of mountains

Answer

Making colorful paintings

Question 9

Which scientist discovered the nature of radium and helped us understand radioactivity?

Accepted Answer

Marie Curie

Answer

Grace Hopper

Answer

Stephen Hawking

Answer

Charles Kao

Question 10

Who developed the theories of relativity that help us understand more about outer space?

Accepted Answer

Albert Einstein

Answer

Marie Curie

Answer

Stephen Hawking

Answer

Charles Kao

Question 11

Who invented one of the first computer compilers that helped computers understand English instructions?

Accepted Answer

Grace Hopper

Answer

Charles Kao

Answer

Albert Einstein

Answer

Stephen Hawking

Question 12

Which scientist contributed to our understanding of the universe, including black holes and the Big Bang Theory?

Accepted Answer

Stephen Hawking

Answer

Charles Kao

Answer

Marie Curie

Answer

Albert Einstein

Question 13

Who helped create fibre optics, which made the Internet possible?

Accepted Answer

Charles Kao

Answer

Albert Einstein

Answer

Grace Hopper

Answer

Marie Curie

Question 14

Why are these scientists important in our lives today?

Accepted Answer

Their work helps us understand nature, technology, and the universe

Answer

They helped write stories

Answer

They are in history books only

Answer

They all became famous actors

Question 15

Why is curiosity important in science?

Accepted Answer

It helps scientists ask questions and find out about things.

Answer

It helps scientists sleep well and feel more relaxed.

Answer

It helps scientists write long reports faster.

Answer

It helps scientists work better in quiet places.

Question 16

What does it mean to have perseverance?

Accepted Answer

You do not give up, even when something is hard.

Answer

You stop working when the result is not perfect.

Answer

You only work when your teammates help you.

Answer

You avoid difficult experiments every time.

Question 17

What does it mean to be open-minded in science?

Accepted Answer

You think of many ways to solve a problem.

Answer

You accept only your own ideas without changes.

Answer

You agree with everything your teacher says.

Answer

You ignore other people's suggestions always.

Question 18

Why is cooperation important in science?

Accepted Answer

It helps scientists work well in a team.

Answer

It helps scientists enjoy free time and games.

Answer

It helps scientists clean their lab quickly.

Answer

It helps scientists buy tools for experiments.

Question 19

What does it mean to have integrity in science?

Accepted Answer

You do not cheat to get the results you want.

Answer

You copy others to get the same marks.

Answer

You always choose the easiest experiment.

Answer

You only work if someone else is watching.

Question 20

Which attitude means not being too proud and admitting mistakes?

Accepted Answer

Humility

Answer

Curiosity

Answer

Perseverance

Answer

Objectivity

Question 21

Jane Goodall showed perseverance because...

Accepted Answer

She worked hard despite many problems.

Answer

She avoided working in the forest.

Answer

She stopped when the research was hard.

Answer

She only studied animals from pictures.

Question 22

What is observing in science?

Accepted Answer

The skill of using the senses to find out things

Answer

A way to guess the answer without checking

Answer

Drawing pictures of living organisms

Answer

Using rules to solve all math questions

Question 23

Why do scientists use tools like microscopes and thermometers?

Accepted Answer

Because human senses are limited and not always accurate

Answer

To make their drawings more beautiful

Answer

To look more professional in their lab

Answer

Because teachers ask them to use the tools

Question 24

Which of the following is best observed with a microscope?

Accepted Answer

A bacterium

Answer

A planet's rings

Answer

A loud noise

Answer

A cup of hot tea

Question 25

What tool would help you measure how hot a cup of tea is?

Accepted Answer

A thermometer

Answer

Your eyes only

Answer

A telescope

Answer

A ruler

Question 26

Which of these is an example of using the sense of touch?

Accepted Answer

The texture of fabric

Answer

The fragrance of a jasmine flower

Answer

The loudness of sound

Answer

The colour of the rainbow

Question 27

What do scientists often do before making conclusions?

Accepted Answer

Make careful and accurate observations

Answer

Copy what others say without checking

Answer

Use only their memory to remember facts

Answer

Ask their friends for answers directly

Question 28

Why are human senses not always reliable in science?

Accepted Answer

Because they are sometimes limited and need tools

Answer

Because they are weak in the dark

Answer

Because humans get bored easily

Answer

Because science uses only numbers

Question 29

What is the purpose of communicating in science?

Accepted Answer

To send and receive information clearly

Answer

To memorize the names of scientists

Answer

To decorate lab books with pictures

Answer

To make long stories about science

Question 30

Why are bar charts or line graphs useful?

Accepted Answer

They show patterns and changes over time easily

Answer

They are more colorful than tables

Answer

They take less time to draw

Answer

They do not need labels or numbers

Question 31

What was the height of the plant at week 1?

Accepted Answer

3 cm

Answer

2 cm

Answer

5 cm

Answer

7 cm

Question 32

What was the height of the plant at week 6?

Accepted Answer

20 cm

Answer

19 cm

Answer

22 cm

Answer

16 cm

Question 33

In which week did the plant grow the least in height?

Accepted Answer

Between week 5 and 6

Answer

Between week 1 and 2

Answer

Between week 2 and 3

Answer

Between week 3 and 4

Question 34

What is the total height gain of the plant from week 1 to week 6?

Accepted Answer

17 cm (20 - 3 = 17 cm)

Answer

15 cm

Answer

17 cm

Answer

20 cm

Question 35

Which form shows the exact values most clearly?

Accepted Answer

Table

Answer

Line graph

Answer

Bar chart

Answer

Picture

Question 36

What makes the line graph helpful?

Accepted Answer

It shows growth over time in a connected way

Answer

It uses only numbers

Answer

It uses funny shapes

Answer

It replaces the need for writing

Question 37

Which of the following is an example of inferring?

Accepted Answer

My parents have curly hair, so my baby brother might too

Answer

A spider has eight legs

Answer

The Earth is round

Answer

The water is hot when touched

Question 38

Which of the following is an observation?

Accepted Answer

The Earth orbits the Sun

Answer

The panda looks like a mammal

Answer

This animal must be dangerous

Answer

This child will be a good athlete

Question 39

Which of these is a good hypothesis?

Accepted Answer

Water evaporates more when temperature is high

Answer

Water turns into juice in sunlight

Answer

All cold water becomes snow quickly

Answer

Evaporation happens only in winter

Question 40

What is the relationship between inferring and hypothesizing?

Accepted Answer

A hypothesis is a testable idea based on inference

Answer

A hypothesis is always different from an inference

Answer

A hypothesis is made before an inference

Answer

Inferences never lead to a hypothesis

Question 41

What might you infer if you see puddles drying faster on hot days?

Accepted Answer

Heat helps water evaporate faster

Answer

It is going to rain soon

Answer

The road is made of metal

Answer

Puddles only form on hot days

Question 42

What is the purpose of making a hypothesis in science?

Accepted Answer

To give a possible explanation that can be tested

Answer

To make fun guesses during experiments

Answer

To decorate science notebooks

Answer

To copy conclusions from a book

Question 43

What is the first step in the scientific method?

Accepted Answer

Accept the conclusion of others

Answer

Make a guess without any reason

Answer

Make an observation based on s

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