Cells contract and relax to move the body. What type is the cells?
muscle cells 肌肉细胞
Mixtures can be separated through.............
physically changes 物理改变
We often shiver in the cold surrounding environment to...............
increase body temperature 增加体温
The homeostasis control center is located in.............
brain 头脑
Amoeba produces two offspring that are identical to the parents. What is the process?
binary fission 二分裂
Name FOUR parts of Animal Cell.
Cell membrane（外层膜）, Mitochondria（线粒体）, Nucleus（中心核）, Cytoplasm （内膜）
Converting unit of base quantity 170mm = 0.017m (True or False)
False
.............is used to measure the current that flows through an electric circuit.
Ammeter电流表
What is a Volume?
length x width x height 长 x 宽 x 高
Study of living things is the field of study for.............
biology 生物学
What are the systems that involved in water regulation?
endocrine system and excretory system 内分泌系统和排泄系统
When two sex cells combine through fertilization and create an offspring. What is the process?
Sexual reproduction 有性繁殖
Homeostasis controls (blood pressure, water regulation, height, body temperature).
blood pressure, water regulation, body temperature
What are the three states of Matter?
Solid, liquid and gas 固体，液体和气体
Four examples of Natural Phenomena
flash floods闪电水灾, human growth人类成长, rainbows彩虹, volcanic eruptions火山爆发, occurrence of day and night白天和夜晚的发生, thunder lightning闪电
What is a Matter?
A matter occupies space and has mass 物质会占据空间和拥有质量
..................has made our life more comfortable and solve various problems.
Innovation of technology科技的创新
Temperature > degree Celsius > °C (True or False)
False
When an offspring grows from a part of a parent plant. What is the process？
vegetative reproduction 蔬菜营养繁殖
Why does hairs lie flat in hot days?
to reduce trapped air to easily release heat.为了减少困在里面的空气轻易地散发出热能
The male and female sex cell/gametes are called............
sperm ; ovum /egg cell
What are the TWO disadvantages of sexual reproduction?
needs two parents 需要双方父母 ; slower process 过程较慢
All living things are made up of............
cells
Living things grow due to the process of..................
cell division