Science Flashcards

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1
Q

the system formed by the heart, blood vessels and blood to carry food and oxygen around the body.

A

circulatory system

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2
Q

A small beat under the skill because of pressure of the blood

A

Pulse

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3
Q

air tube?

A

windpipe

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4
Q

a sticky substance in air passages.

A

Mucus

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5
Q

water boiling point

A

100 degrees C

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6
Q

Temperature when melting happens

A

Melting point

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7
Q

Molten liquid in Earth’s crust

A

Magama

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8
Q

Molten liquid on Earth’s surface

A

Lava

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9
Q

wearing down of weathered rocks into sediments

A

erosion

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10
Q

muscle which helps us breathe

A

Diaphragm

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11
Q

Process of when sediments are deposited on the sea bed

A

sedimentation

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12
Q

Rocks formed from heat and pressure

A

Metamorphic rocks

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13
Q

igneous means

A

fire

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14
Q

metamorphosis means

A

changed

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15
Q

something which makes a substance different from other substances

A

Property

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16
Q

Temperature of when particles of a liquid have enough energy to turn into a gas

A

Boiling point

17
Q

Change when a substance can be turned back

A

reversible

18
Q

change when a substance can’t be turned back

A

irreversible

19
Q

in a - change a substance does not turn into a new substance.

A

Physical change

20
Q

in a - change a substance does turn into a new substance

A

chemical change

21
Q

the- of dissolving increases if we heat the solution.

A

rate

22
Q

rocks formed on the surface of Earth

A

Extrusive igneous rocks

23
Q

rocks formed inside the Earth’s crust.

A
24
Q

Slate is made of

A

shale

25
Q

marble is made of

A

Limestone

26
Q

Gneiss is made of

A

Granite

27
Q

Quartzite is made of

A

sandstone

28
Q

which sedimentary rock is shells

A

limestone

29
Q

if a mould if filled with minerals it is a

A

cast

30
Q

Fossils are only found in

A

Sedimentary rocks

30
Q

Fossils are only found in

A

Sedimentary rocks

31
Q

Ammonites existed

A

240 million years ago