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WorksheetsIS1T1 Introduction to Matter
Total questions: 47
Worksheet time: 24mins
Name
Class
Date
1.
What is matter/什麼是物質
a)
Anything visible or touchable/任何可見或可觸摸的東西
b)
Anything with mass and volume/任何具有質量並佔據空間的東西
c)
Only solids liquids and gases/只有固體液體和氣體
d)
Any physical object/任何物理物體
2.
Which of the following is NOT an example of matter/以下哪一項不是物質的例子
a)
Air/空氣
b)
Light/光
c)
Water/水
d)
Metal/金屬
3.
Why is air considered matter/為什麼空氣被認為是物質
a)
It is made of gases/它由氣體組成
b)
It has mass and takes up space/它具有質量並佔據空間
c)
It moves freely/它可以自由移動
d)
It can be seen/它可以被看見
4.
Which of these is an example of a physical property/以下哪一項是物理特性的例子
a)
Melting point/熔點
b)
Flammability/可燃性
c)
Reactivity with oxygen/與氧氣的反應性
d)
Rust formation/鏽蝕的形成
5.
What is the difference between physical and chemical properties/物理特性和化學特性之間的區別是什麼
a)
Physical properties can be observed without changing the substance/物理特性可以在不改變物質的情況下觀察
b)
Chemical properties can be seen without experimentation/化學特性可以不通過實驗觀察到
c)
Physical properties are about atoms chemical properties are about molecules/物理特性關於原子化學特性關於分子
d)
Both describe how substances react with others/它們都描述了物質如何與其他物質反應
6.
Which of the following is a chemical property/以下哪一項是化學特性
a)
Odor/氣味
b)
Flammability/可燃性
c)
Boiling point/沸點
d)
Density/密度
7.
Which of the following can ONLY be observed during a chemical reaction/以下哪一項只能在化學反應中觀察到
a)
Luster/光澤
b)
Reactivity with acids/與酸的反應性
c)
Color/顏色
d)
Shape/形狀
8.
What is a pure substance/什麼是純物質
a)
A material made of one type of atom or molecule/由一種原子或分子構成的材料
b)
A homogeneous mixture/均質混合物
c)
A mixture of elements/元素的混合物
d)
Any solid or liquid material/任何固體或液體材料
9.
Why is water considered a compound/為什麼水被認為是化合物
a)
It contains two different elements chemically bonded/它含有兩種化學鍵結的不同元素
b)
It has a fixed shape/它具有固定的形狀
c)
It can dissolve other substances/它可以溶解其他物質
d)
It is made of only one type of atom/它只由一種類型的原子組成
10.
A student observes a shiny soft material that reacts violently with water What kind of property are they observing/案例研究 一名學生觀察到一種有光澤且柔軟的材料 它與水劇烈反應 他們觀察的是哪種特性
a)
Physical property/物理特性
b)
Chemical property/化學特性
c)
Structural property/結構特性
d)
Mixture property/混合特性
11.
What is the basic structure of an atom/原子的基本結構是什麼
a)
A nucleus surrounded by electrons/核心由電子包圍
b)
A molecule surrounded by other molecules/分子由其他分子包圍
c)
A single element in solid form/單一元素的固態形式
d)
A compound in liquid form/液態形式的化合物
12.
Why can elements NOT be broken down into simpler substances/為什麼元素無法分解為更簡單的物質
a)
They are chemically bonded/它們是化學鍵結的
b)
They are made of only one type of atom/它們只由一種類型的原子組成
c)
They contain complex compounds/它們包含複雜的化合物
d)
They are too small to separate/它們太小而無法分離
13.
What distinguishes a mixture from a compound/混合物與化合物的區別是什麼
a)
Mixtures are chemically bonded compounds are not/混合物是化學鍵結的化合物不是
b)
Mixtures retain the properties of their components/混合物保留其成分的特性
c)
Compounds can be separated physically/化合物可以用物理方法分離
d)
Compounds have varying compositions/化合物有可變組成
14.
What type of mixture is air/空氣是哪種類型的混合物
a)
Homogeneous/均質混合物
b)
Heterogeneous/非均質混合物
c)
Compound/化合物
d)
Pure substance/純物質
15.
How can mixtures be separated/混合物如何分離
a)
By using physical methods/使用物理方法
b)
By chemical reactions/使用化學反應
c)
By forming new compounds/通過形成新化合物
d)
By breaking atomic bonds/通過打破原子鍵
16.
Why is a bowl of mixed nuts considered a heterogeneous mixture/為什麼一碗混合堅果被認為是非均質混合物
a)
Each nut retains its own properties/每個堅果保留自己的特性
b)
The nuts are chemically combined/堅果是化學結合的
c)
The nuts have different weights/堅果有不同的重量
d)
The nuts cannot be separated/堅果無法分離
17.
What makes a solution a homogeneous mixture/是什麼使溶液成為均質混合物
a)
It has uniform composition throughout/它的組成在整體上是均勻的
b)
It cannot be separated by any means/它無法通過任何方法分離
c)
It is made of only one substance/它只由一種物質組成
d)
It changes color when mixed/它在混合時會改變顏色
18.
A student mixes oil and water in a beaker The oil forms a layer on top What type of mixture is this/案例研究 一名學生將油和水混合在燒杯中 油在上面形成一層 這是哪種類型的混合物
a)
Homogeneous/均質混合物
b)
Heterogeneous/非均質混合物
c)
Compound/化合物
d)
Pure substance/純物質
19.
Which method would best separate salt from water/哪種方法最適合將鹽從水中分離出來
a)
Filtration/過濾
b)
Evaporation/蒸發
c)
Magnetic separation/磁分離
d)
Distillation/蒸餾
20.
A scientist has a solution of saltwater and wants to recover the salt What method should they use/案例研究 一名科學家擁有鹽水溶液並希望回收鹽 他們應該使用哪種方法
a)
Filtration/過濾
b)
Evaporation/蒸發
c)
Distillation/蒸餾
d)
Magnetic separation/磁分離
21.
What is the formula for calculating density/計算密度的公式是什麼
a)
Density = Mass x Volume/密度 = 質量 x 體積
b)
Density = Mass ÷ Volume/密度 = 質量 ÷ 體積
c)
Density = Volume ÷ Mass/密度 = 體積 ÷ 質量
d)
Density = Volume x Mass/密度 = 體積 x 質量
22.
An object has a mass of 20 g and a volume of 5 cm³ What is its density/案例研究 一個物體的質量為20克 體積為5立方厘米 它的密度是多少
a)
4 g/cm³
b)
5 g/cm³
c)
2 g/cm³
d)
10 g/cm³
23.
What is matter/什麼是物質
a)
Anything visible or touchable/任何可見或可觸摸的東西
b)
Anything with mass and volume/任何具有質量並佔據空間的東西
c)
Only solids liquids and gases/只有固體液體和氣體
d)
Any physical object/任何物理物體
24.
Which of the following is NOT an example of matter/以下哪一項不是物質的例子
a)
Air/空氣
b)
Light/光
c)
Water/水
d)
Metal/金屬
25.
Why is air considered matter/為什麼空氣被認為是物質
a)
It is made of gases/它由氣體組成
b)
It has mass and takes up space/它具有質量並佔據空間
c)
It moves freely/它可以自由移動
d)
It can be seen/它可以被看見
26.
Which of these is an example of a physical property/以下哪一項是物理特性的例子
a)
Melting point/熔點
b)
Flammability/可燃性
c)
Reactivity with oxygen/與氧氣的反應性
d)
Rust formation/鏽蝕的形成
27.
What is the difference between physical and chemical properties/物理特性和化學特性之間的區別是什麼
a)
Physical properties can be observed without changing the substance/物理特性可以在不改變物質的情況下觀察
b)
Chemical properties can be seen without experimentation/化學特性可以不通過實驗觀察到
c)
Physical properties are about atoms chemical properties are about molecules/物理特性關於原子化學特性關於分子
d)
Both describe how substances react with others/它們都描述了物質如何與其他物質反應
28.
Which of the following is a chemical property/以下哪一項是化學特性
a)
Odor/氣味
b)
Flammability/可燃性
c)
Boiling point/沸點
d)
Density/密度
29.
Which of the following can ONLY be observed during a chemical reaction/以下哪一項只能在化學反應中觀察到
a)
Luster/光澤
b)
Reactivity with acids/與酸的反應性
c)
Color/顏色
d)
Shape/形狀
30.
What is a pure substance/什麼是純物質
a)
A material made of one type of atom or molecule/由一種原子或分子構成的材料
b)
A homogeneous mixture/均質混合物
c)
A mixture of elements/元素的混合物
d)
Any solid or liquid material/任何固體或液體材料
31.
Why is water considered a compound/為什麼水被認為是化合物
a)
It contains two different elements chemically bonded/它含有兩種化學鍵結的不同元素
b)
It has a fixed shape/它具有固定的形狀
c)
It can dissolve other substances/它可以溶解其他物質
d)
It is made of only one type of atom/它只由一種類型的原子組成
32.
A student observes a shiny soft material that reacts violently with water What kind of property are they observing/案例研究 一名學生觀察到一種有光澤且柔軟的材料 它與水劇烈反應 他們觀察的是哪種特性
a)
Physical property/物理特性
b)
Chemical property/化學特性
c)
Structural property/結構特性
d)
Mixture property/混合特性
33.
What is the basic structure of an atom/原子的基本結構是什麼
a)
A nucleus surrounded by electrons/核心由電子包圍
b)
A molecule surrounded by other molecules/分子由其他分子包圍
c)
A single element in solid form/單一元素的固態形式
d)
A compound in liquid form/液態形式的化合物
34.
Why can elements NOT be broken down into simpler substances/為什麼元素無法分解為更簡單的物質
a)
They are chemically bonded/它們是化學鍵結的
b)
They are made of only one type of atom/它們只由一種類型的原子組成
c)
They contain complex compounds/它們包含複雜的化合物
d)
They are too small to separate/它們太小而無法分離
35.
What distinguishes a mixture from a compound/混合物與化合物的區別是什麼
a)
Mixtures are chemically bonded compounds are not/混合物是化學鍵結的化合物不是
b)
Mixtures retain the properties of their components/混合物保留其成分的特性
c)
Compounds can be separated physically/化合物可以用物理方法分離
d)
Compounds have varying compositions/化合物有可變組成
36.
What type of mixture is air/空氣是哪種類型的混合物
a)
Homogeneous/均質混合物
b)
Heterogeneous/非均質混合物
c)
Compound/化合物
d)
Pure substance/純物質
37.
How can mixtures be separated/混合物如何分離
a)
By using physical methods/使用物理方法
b)
By chemical reactions/使用化學反應
c)
By forming new compounds/通過形成新化合物
d)
By breaking atomic bonds/通過打破原子鍵
38.
Why is a bowl of mixed nuts considered a heterogeneous mixture/為什麼一碗混合堅果被認為是非均質混合物
a)
Each nut retains its own properties/每個堅果保留自己的特性
b)
The nuts are chemically combined/堅果是化學結合的
c)
The nuts have different weights/堅果有不同的重量
d)
The nuts cannot be separated/堅果無法分離
39.
What makes a solution a homogeneous mixture/是什麼使溶液成為均質混合物
a)
It has uniform composition throughout/它的組成在整體上是均勻的
b)
It cannot be separated by any means/它無法通過任何方法分離
c)
It is made of only one substance/它只由一種物質組成
d)
It changes color when mixed/它在混合時會改變顏色
40.
A student mixes oil and water in a beaker The oil forms a layer on top What type of mixture is this/案例研究 一名學生將油和水混合在燒杯中 油在上面形成一層 這是哪種類型的混合物
a)
Homogeneous/均質混合物
b)
Heterogeneous/非均質混合物
c)
Compound/化合物
d)
Pure substance/純物質
41.
Which method would best separate salt from water/哪種方法最適合將鹽從水中分離出來
a)
Filtration/過濾
b)
Evaporation/蒸發
c)
Magnetic separation/磁分離
d)
Distillation/蒸餾
42.
A scientist has a solution of saltwater and wants to recover the salt What method should they use/案例研究 一名科學家擁有鹽水溶液並希望回收鹽 他們應該使用哪種方法
a)
Filtration/過濾
b)
Evaporation/蒸發
c)
Distillation/蒸餾
d)
Magnetic separation/磁分離
43.
What is the formula for calculating density/計算密度的公式是什麼
a)
Density = Mass x Volume/密度 = 質量 x 體積
b)
Density = Mass ÷ Volume/密度 = 質量 ÷ 體積
c)
Density = Volume ÷ Mass/密度 = 體積 ÷ 質量
d)
Density = Volume x Mass/密度 = 體積 x 質量
44.
An object has a mass of 20 g and a volume of 5 cm³ What is its density/案例研究 一個物體的質量為20克 體積為5立方厘米 它的密度是多少
a)
4 g/cm³
b)
5 g/cm³
c)
2 g/cm³
d)
10 g/cm³
45.
Why does oil float on water/為什麼油會浮在水面上
a)
Oil has a lower density than water/油的密度比水低
b)
Oil is hydrophobic/油是疏水的
c)
Oil is lighter in color/油顏色較淺
d)
Oil molecules are smaller/油分子較小
46.
What is the law of conservation of mass/什麼是質量守恆定律
a)
Mass is lost during chemical reactions/化學反應中質量會丟失
b)
Mass is neither created nor destroyed/質量既不會被創造也不會被銷毀
c)
Mass increases when substances are combined/當物質結合時質量會增加
d)
Mass can change form during reactions/質量在反應中可以改變形式
47.
A scientist notices that a cold liquid becomes warm when two substances are mixed What could this observation indicate/案例研究 科學家注意到當兩種物質混合時 一種冷液體變暖 這可能表明什麼
a)
An exothermic chemical reaction is occurring/正在發生放熱化學反應
b)
The density of the liquid is decreasing/液體的密度正在減少
c)
A physical change is absorbing energy/物理變化正在吸收能量
d)
The liquid is boiling/液體正在沸騰
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