Science Junior Cert Quiz

Lost In Confusion

Okay so you all know how this goes now... I'll start


What is a fulcrum?

MmmPancakes

Lost In Confusion wrote: »

Okay so you all know how this goes now... I'll start


What is a fulcrum?

A point around which a lever rotates

What is the equation for limewater?

sotisme

Lost In Confusion wrote: »

Okay so you all know how this goes now... I'll start


What is a fulcrum?

A fixed point in which the lever is free to turn about

What is static electricity?

sotisme

MmmPancakes wrote: »

A point around which a lever rotates

What is the equation for limewater?

Ca(OH)^2 + CO^2

What is static electricity?

sotisme

Lost In Confusion wrote: »

Na(OH)2 I think, and it turns milky in the presence of Co2

What is interdependence?

Interdependence is when organisms depend on each others existance for survival

What is static electricity

MmmPancakes

sotisme wrote: »

A fixed point in which the lever is free to turn about

What is static electricity?

m8 answer my question r ill box ur head in sware on me mum

sotisme

MmmPancakes wrote: »

m8 answer my question r ill box ur head in sware on me mum

I did

Lost In Confusion

sotisme wrote: »

Interdependence is when organisms depend on each others existance for survival

What is static electricity

static electricity is what? tell me please

sotisme

Lost In Confusion wrote: »

static electricity is what? tell me please

Haha im not sure thats why i asked it i think its something along the lines of:
Static electricity is the build up of charge in an object after it loses or gains electrons

Not sure though

What is a zygote?

Masterful Sponge

A zygote is a cell formed when a male and female gamete fuse together

Prob not the actual definition but I think that's more or less it

enutrofnnelle

here are some paper questions Give one effect of global warming.

Lost In Confusion

enutrofnnelle wrote: »

here are some paper questions Give one effect of global warming.

Global warming is the heating of the earth. It can result in flooding


Name a vertebrate

SuperMattDude

hhuman

SuperMattDude

Complete the equation 2HCI - Caco3 -

tr0llface

not sure if this is right but
2HCL + Caco3 - Cacl2 = h20 + co2

what is kinetic energy

Mary A

tr0llface wrote: »

not sure if this is right but
2HCL + Caco3 - Cacl2 = h20 + co2

what is kinetic energy

The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed

what's a molecule ?

Lost In Confusion

Mary A wrote: »

The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed

what's a molecule ?

one or two atoms chemically combined?

What is an element?

cfc.forever

An element is something which cannot be broken down by chemical means?

If something has a PH Scale of 7, what does that mean?

Lost In Confusion

cfc.forever wrote: »

An element is something which cannot be broken down by chemical means?

If something has a PH Scale of 7, what does that mean?

it is neutral it isn't an acid or a base.

What is an everyday acid?

Mary A

Lost In Confusion wrote: »

one or two atoms chemically combined?

What is an element?

a molecule is a group of atoms joined together. it is the smallest particle of an element or compound that can exist independently .

an element is a substance that cannot be spilt up into smaller substances by chemical means.

whats is an ionic bond ?

Lost In Confusion

Mary A wrote: »

a molecule is a group of atoms joined together. it is the smallest particle of an element or compound that can exist independently .

an element is a substance that cannot be spilt up into smaller substances by chemical means.

whats is an ionic bond ?

the force of attraction with oppositely charged atoms in a compound

what is pressure?

SuperMattDude

force

---

Area What are the differences between a plant and a animal cell

Lost In Confusion

SuperMattDude wrote: »

force

---

Area What are the differences between a plant and a animal cell

Force is the pressure acting on a unit of area

Animal Cell
No cell wall
no vacuole
no chlorophyll
Plant cell
Vacuole present
cell wall
chlorophyll

What is an element

Maxzdz

Animal cells have no cell wall yet plant ones do.
Animal cells have no chloroplasts while plant ones do.

What is Electrolysis?

(p.s my first post )

Niallh98

What is Hooke's law?

Cr4pSnip3r

This thread is off the hooke.

Maxzdz

Niallh98 wrote: »

What is Hooke's law?

Hooke's laws states the extension of a spiral spring is directly proportional to the force applied to it.

What are genes?