The stages of changes of growth and development in the life of a living thing including reproduction is called a ...

(a)  

The young of a human’s life cycle is called a ...

(a)  

A tadpole lives in water. It breathes using ...

(a)  

The process of changing the new skin of a caterpillar is called ...

(a)  

The caterpillar stops eating when it changes into a ...

(a)  

The pupa of a butterfly attaches itself to a ... or twig.

(a)  

The eggs of a mosquito are laid in ...

(a)  

The young plant which grows shoots is called ...

(a)  

Dodo birds and Tasmanian wolves used to be found on the Earth, but now they are already ...

(a)  

Scientists use special protected places called (a)   to hatch sea turtles eggs.

We can help protect forests where orangutans live by setting up ...

(a)  

During respiration, animals take in ... from the air to break down food and release energy.

(a)  

1. Natural resources are classified into ... groups.

(a)  

The resources which can be used repeatedly and replaced in a short period of time by nature are called … resources.

(a)  

The resources which once they are used, it takes a long period of time to replace are called … resources.

(a)  

Animals give out … which is useful for plants to make food.

(a)  

... give out oxygen after the process of photosynthesis which is useful for animals to survive.

(a)  

During a … , the lands are dry, there is not enough water available for plants to grow well.

(a)  

Pure metals are usually mixed with other metals or non-metals to from stronger substances called ...

(a)  

Metals such as aluminum are extracted from ….

(a)  

(a)   from a sheep can be used to make coats, hats, and scarves.

... is mined from the ground. It is useful to generate electricity in power stations.

(a)  

Oil is processed in (a)   to obtain petrol, diesel, and other kind of fuels for many vehicles and machines.

Solids, liquids, and gases are three different (a)   of matter.

Matter has (a)   and takes up space.

Ice changes into liquid water when it gains (a)   .

The change of ice into liquid water is called (a)   .

(a)   is the change of liquid water into ice. It takes place at a temperature called freezing point.

Water in the gaseous state is known as (a)  

The change of liquid water into water vapour at 100°C is called (a)   .

(a)   is the change of liquid water into water vapour, which takes place at any temperature.

Dry ice is solid (a)   .