Living Things (生物)

DNA & Genes (DNA 和 基因)
Evolution (进化)
Forces & Motion (力和运动)
Energy & Machines (能量和机械)
100

What is a group of similar organisms that can reproduce called?

一群能够繁殖的相似生物称为什么?

What is a species? (什么是物种?)

100

Where in the cell is the genetic information (DNA) found?

细胞中的遗传信息(DNA)在哪里?

What is the nucleus? (什么是细胞核?)

100

A feature that helps an organism survive in its habitat, like a polar bear's white fur.

帮助生物在其栖息地生存的特征,比如北极熊的白毛。

What is an adaptation? (什么是适应?)

100

If an object is moving at a constant speed, the forces on it are ______.

如果一个物体以恒定速度运动,它受到的力是______。

What is balanced? (什么是平衡的?)

100

The energy stored in a moving object.

储存在运动物体中的能量。

What is kinetic energy? (什么是动能?)

200

Differences caused by your surroundings, like a suntan, are called what kind of variation?

由周围环境引起的差异,比如晒黑,称为什么变异?

What is environmental variation? (什么是环境变异?)

200

What is the chemical that contains our genetic code? (Hint: It's DNA)

包含我们遗传密码的化学物质是什么?(提示:是DNA)

What is DNA? (什么是DNA?)

200

The process is where organisms with helpful adaptations are more likely to survive and reproduce.

拥有有利适应特征的生物更有可能生存和繁殖的过程。

What is natural selection? (什么是自然选择?)

200

The force that slows down a moving car is called ______.

使行驶的汽车减速的力称为______。

What is friction? (什么是摩擦力?)

200

A ramp is an example of a simple ______.

斜坡是一个简单的______的例子。

What is a machine? (什么是机械?)

300

Differences you get from your parents, like eye colour, are called what kind of variation?

你从父母那里得到的差异,比如眼睛的颜色,称为什么变异?

What is inherited variation? (什么是遗传变异?)

300

Sections of DNA that control a characteristic, like hair colour, are called this.

DNA中控制某一特征(如头发颜色)的部分被称为什么。

What are genes? (什么是基因?)

300

The name for when every single one of a type of organism has died.

当某种生物的全部个体都死亡了,这种情况的名称。

What is extinction? (什么是灭绝?)

300

The maximum speed a falling object can reach is called its ______ velocity.

下落的物体能达到的最大速度称为其______速度。

What is terminal? (什么是终端速度?)

300

The turning effect of a force is called a ______.

力的转动效应称为______。

What is a moment? (什么是力矩?)

400

All the living and non-living things in an area form one of these.

一个区域内所有生物和非生物的东西共同形成了一个这个。

What is an ecosystem? (什么是生态系统?)

400

Sperm and egg cells have a special name. What is it?

精子和卵细胞有一个特殊的名称。它是什么?

What are gametes? (什么是配子?)

400

This is the word for the number of different species in an area.

这个词指的是一个区域内不同物种的数量。

What is biodiversity? (什么是生物多样性?)

400

The formula for speed is distance divided by ______.

速度的公式是距离除以______。

What is time? (什么是时间?)

400

The unit for measuring work or energy.

衡量功或能量的单位。

What is a joule (J)? (什么是焦耳 (J)?)

500

A "biotic factor" is caused by this type of thing (living or non-living?).

一个“生物因素”是由这种东西引起的(生物还是非生物?)。

What is living? (什么是生物?)

500

A human body cell has 46 of these, but a gamete only has 23.

一个人体细胞有46条这个,但配子只有23条。

What are chromosomes? (什么是染色体?)

500

These two scientists are famous for the theory of evolution by natural selection.

这两位科学家以自然选择进化论而闻名。

Who are Darwin and Wallace? (谁是达尔文和华莱士?)

500

On a distance-time graph, a steeper line means a ______ speed.

在距离-时间图上,更陡的直线意味着______速度。

What is faster? (什么是更快的?)

500

This law says that energy cannot be created or destroyed, only transferred.

这个定律说明能量不能被创造或毁灭,只能被转移。

What is the Law of Conservation of Energy? (什么是能量守恒定律?)