WorksheetsYear 7 Global Water Quiz
Total questions: 25
Worksheet time: 8mins
What happens to the molecules when water turns to gas?
water molecules move slowly and are bound together
water molecules move very rapidly and are not bound together
water molecules move very rapidly and are bound together
water molecules move slowly and are not bound together
What is the formula for density?
d = m x v
p = m x v
d = m\v
p = m\v
Is water denser than oil?
Yes, because it has more particles in the same amount of space.
Yes, because it has less particles in the same amount of space.
No, because it has more particles in the same amount of space.
No, because it has less particles in the same amount of space.
What is the most common contaminant in drinking water?
(a)
What percentage of the world’s water is contaminated?
(a)
In which state of matter are the particles mostly touching but arranged in a random way?
Solid
Liquid
Gas
Plasma
In which state of matter do the particles have the most energy?
Solid
Liquid
Gas
Plasma
How many particle?s are there in a human body?
7
7 Billion
7 Billion Billion
7 Billion Billion Billion
What does homogenous mean?
homogenous means the different
homogenous means the same
homogenous means the variable
homogenous means the smart
What is the difference between an impure and pure substance?
An impure substance is one that is dirty. A pure substance is a substance that is made by nature.
An impure substance consists of one type of particle. A pure substance is a substance that only contains elements.
An pure substance consists of more than one type of particle. A impure substance is a substance that only has one type of particle (element or compound).
An impure substance consists of more than one type of particle. A pure substance is a substance that only has one type of particle (element or compound).
Which three processes can come before condensation?
(a)
What is transpiration?
As a plant goes through photosynthesis it releases water through its leaves in the form of water vapor
Water is released from the soil when the ground is heated
When is rains, water collects on leaves. When heated this is chnaged into water vapour
When plants sweat, they release water. This water evaporates.
What two processes come after precipitation in the water cycle?
(a)
What is the process called when a liquid turns into a gas?
(a)
What is sublimation?
When a gas turns straight into a gas
When a solid turns straight into a gas
When a gas turns straight into a solid
When a solid turns straight into a solid
How does heat affect particles inside an object?
It takes energy from the particles making them have less kinetic energy
It takes energy from the particles making them have more kinetic energy
It adds energy to the particles making them have more kinetic energy
It adds energy to the particles making them have less kinetic energy
Which one is more dense, the Sun or the moon?
(a)
Quasicrystalline is a type of liquid
True
False
Depend on the humidity
Depends on its density
A mixture, like air, be separated.
True
False
What percent of freshwater is there on earth?
5%
3%
20%
85%
What percent of saltwater is there on earth?
96%
97%
97.5%
98%
What country hold the most drinkable water?
Kenya
Greenland
Australiia
Brazil
Is water wet and why?
Yes , it is wet because it is a liquid that wets things.
No, it is not wet because it is a liquid.
No, it is not wet because it is a liquid that wets things.
Yes , it is wet because it is a liquid
