TELL ME WHAT YOU KNOW ABOUT; a) RADIOACTIVE SUBSTANCE b) RADIATION by ANIS AMELIN BINTI MOHAMED SUHAMI Moe

Dayanita

m8151466 — 2021-09-02 04:05:03 UTC

a) Radioactive substance
In my opinion, i think radioactive substance is a subtance that is endangered?

b) radiation
radiation is the emission or transmission of energy in the form of waves.

Jocelyn Yeo

2021-09-02 04:05:34 UTC

-radiation can cause various health problem
-there's radiation from UV rays if not mistaken
- radiation can kill cancer cells
- radioactive substances have radiation
-um there's a song by imagine dragons and it's called radioactive :).

Sarah W

2021-09-02 04:06:54 UTC

What I know about radiation so far is that it happens when a certain particle gives off a certain amount of energy that can be dangerous to humans as it can cause cancer etc.

Some of the substances that I think are radioactive is uranium because I like the name and it sounds radioactive.

Caitlin

2021-09-02 04:07:04 UTC

What I know is that radioactive substance will cause explosion and the radiation will effect the human’s health. Besides , I think all radioactive substance will have a symbol in black and yellow with one circle in the middle and surrounded by three triangle.

I have very less knowledge 🥲and I’m not sure if it’s correct

Jiatung

jiatunggoi1 — 2021-09-02 04:07:14 UTC

a) In my opinion, radioactive substance is a substance that is dangerous that will cause cancer and pollutions if it is not stored well.

Xing Lin

2021-09-02 04:07:31 UTC

a) radioactive substance is a substance that contains unstable nucleus which undergoes radioactive decay

b) radiation are the types of energy release during radioactive decay

Hui Shan

huishanchui — 2021-09-02 04:07:32 UTC

a - subtances that emit radioactive rays which can cause cancer (?)

b - the process of emission of energy in the form of waves or particles (?)

Not really sure with my answer 😂

Hasya

2021-09-02 04:08:04 UTC

(a) Radioactive substance
- unstable substance that can produce harmful radiation
(b) Radiation
- enhance the growth of cancer cells if exposed daily

Reshma

2021-09-02 04:08:49 UTC

-In my opinion,radioactive substances is materials that emit radioactive rays which can cause cancer.
-For example:uranium and plutonium
-Radiation is energy that comes from a source and travels through space at the speed of light
-has an electric field and a magnetic field associated with it

Lubna

lubnasharif1234 — 2021-09-02 04:09:06 UTC

Notable scientists who have done research on radioactivity :
Marie Curie
- discovered radium/polonium
Wilhelm Conrad Roentgen
- discovered x-rays
Ernest Rutherford
- atomic structure

Fun Facts about radioactivity :
-Bananas are radioactive!
-People emit more radiation then cell phones do
-A firefighter who tended to the Chernobyl disaster had his brown eyes turned blue

a) Substances that decay naturally and emit beta, gamma and alpha rays.
b) The release of energy from the decay of the nuclei of certain kinds of atoms and isotopes. It can also be defined as the transmission of energy in the form of particles through a medium ^_^

The formula for radioactivity is A = -dN/dT
(Where A = total activity, N = number of particles and T = time)

imanie

2021-09-02 04:09:22 UTC

a) radioactive substance is an unstable substance that produces dangerous kinds of radiation

b) transmission of energy in the form of waves

Jeslyn

2021-09-02 04:09:56 UTC

a) Radioactive substances
- emits radioactive rays which can cause cancer
- Examples: Radioactive carbon, uranium, plutonium
( Form 1 science 😌)

b) Radiation
-the flow of heat from a heat source to its surrounding without the need of any medium and propagates through a vacuum at the speed of light
(Last year's science👀)

Violet

2021-09-02 04:09:58 UTC

(a) From what i know, radioactive substance is a substance that is dangerous and can harm the human's health.
(b) Based on Google, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium :) ( i'm not sure about the definition of radiation so i just googled it :))

Sasha

2021-09-02 04:10:24 UTC

(a) a radioactive substance that emits radioactive radiation?

(b) will cause long-term health problems if exposed for too long, such as cancer and cardiovascular disease.

Sasmitta

2021-09-02 04:10:27 UTC

a) In my opinion Radioactive substance is very dangerous and its a atom that give out particles and radiation

b) radiation are a type of energy . As i know , for example

ultraviolet light from the sun
.x-rays from an x-ray machine.
microwaves from a microwave oven.

Ang Tyen

2021-09-02 04:10:35 UTC

- radioactive substance causes radiation
- radiation can get a person sick
- examples of radiation and radioactive substance are the sun and UV light
- all electronic devices has UV light which can damage eyesight

Xin Yue

angelngxinyue — 2021-09-02 04:11:53 UTC

In my understanding, radioactive substances are substances that are explosive and also can cause health problems. Radioactive substances are very dangerous and should only be tended by professionals.

Radiation is energy that comes from a source and travels through space at the speed of light.

I don't really know what I just wrote just what I think it is...

Kei Li

2021-09-02 04:13:06 UTC

a) radioactive substance are harmful and can cause cancer

b) travels through space at the speed of light

Damia

2021-09-02 04:15:17 UTC

A) an unstable substance that produces dangerous kinds of radiation and is absolutely harmful towards your health
B) Energy that comes from a source and travels through space in the form of waves or particles like gamma radiation and x-rays?

Meena

2021-09-02 04:16:53 UTC

Radioacive
- Radioactive substance is dangerous and produces dangerous kinds of radiation.
-There are a lot of different types of radiation.
-As an example, the light coming from the bulb is also known as radiation
-Energy in the universe is never created or destroyed, it is said to be always conserved.
-Thus this conserved energy goes into the radiation produced.
-Radiation cause cancer / death too and very harmful to any living things.

Ruey

2021-09-02 04:19:32 UTC

Radioactive substance contains unstable nucleus.

Radiation is unable to be seen

Pavitra

2021-09-02 04:20:11 UTC

(a) Radioactive substances
- substance made up of atoms that decays naturally
-present in Earth's crust
- examples: Uranium, Radium
- causes damage to human's health

(b) Radiation
- a type of energy that will cause severe damage to an individual if exposed for a long period of time

Shavinna Nanthakumar

2021-09-02 04:42:48 UTC

I think ...
1) Radioactive substance is the one that produces dangerous kinds of radiation and it is unstable.
Examples of dangerous radiation are alpha particles , beta particles and gamma rays.
- these type of radiation are invisible to the naked eye.

2) Radiation is word that is used to describe the transmission of energy through a medium or space as waves or particle.
Type of radiation : gravitational radiation , particle radiation , acoustic radiation.

Radiation can be classified into two :
• ionizing
- this radiation is more dangerous to living organisms
Examples : X-ray , neutron radiation , etc

• non-ionizing
- this radiation is less harmless unless it is strong enough to damage the tissue and cells.
Examples : UV light , microwave , etc

TIME FOR FUN FACTS !

- people emit more radiation than their cell phones do.

- Inside a Chernobyl reactors grows a type of fungus that actually thrives on radiation.

- 10 bananas have the same amount of radiation as a handful of raw uranium ore.

Interesting right ...
^{Thank you <3}