問題一覧
1
The.... is protected by skull
brain
2
The .... is located between the lungs and is protected by the rib cage
heart
3
There are..... lungs in the human body
two
4
The.......pumps blood throughout the body
heart
5
The stomach is a ..... organ
degestive
6
The five sense organs are the eyes, the nose the skin,the tangue and the.....
ears
7
The eye us the organ of the sense of
sight
8
The three basic parts of eye are the eyeball,thebiris and the
pupil
9
We use our nostrils to
breathe
10
The three major parts of the ear are thevouter ear ,the middle ear and the
inner ear
11
A/An .... is the simplest unit of life
cell
12
Atissu is compound of groups of
cells
13
The largest organ in human body
skin
14
An organ system is compound if a group of
organs
15
The .....is/are part of respiratory system
lungs
16
Mattervis any thing that takes up....and has mass
space
17
is the space an object takes .......
volume
18
is the amount of matter in an object
mass
19
is measured by balance......
mass
20
have definite volume and shape......
solids
21
The ripening of bananas us a .... Change
chemical
22
Light and heat are cluse to a ....change
chemical
23
Frying an egg is a ....change
chemical
24
The freezing of water is ....change
physical
25
changes cause a changein the identity of matter
chemical
26
A....is a mixture where substance is dissolved in another substance
solution
27
From a solution.........
salt on water
28
Can help pick Aaron iron from Sand......
megnets
29
separatessalt from water......
evaporation
30
Taking chips out of the bag in a type of mixture
separation
31
Detergents are used to
remove dirt
32
Is a toxic gas....
chlorine
33
Is the ability of a substance to catch fire. ..
flammability
34
Chemical substance can be
solids,liquids or gases
35
Mixing chemical substances
maybe harmful
36
A..... Is a force that moves an object away
push
37
A..... Force is a force that extends its effect through direct contact with an object
contact
38
force and graffiti are the stands forces......
magnetic
39
To North poles or two South poled....... each other
push away from
40
Friction....is a force
contact
41
Motion is a change in an object
position
42
Force makes an objects move faster......
strong
43
In a tug of war game..... forces keep the rope in the same position
balanced