Year 7 Inter-classes Science Competition

The boundary between cold and warm air masses is called a-- 

What does the word dinosaur mean in its Greek root? 

The female part of flowering plants is called 

Greenhouse effect refers to

Which of the following is NOT a scientific discipline? 

Clown fish live in sea anemone and scare away other fish that eat the sea anemone. 

Which picture shows a waxing crescent?

Farmers and scientists use__________ to develop new varieties of plants

The application of science to criminal investigation is called 

Three states of matter are 

Which is not an effect of the motions of the moon? 

Earth would not have seasons if it –  

What separation technique that can be used to get pure metal from its ore? 

What natural process can result in the formation of new land? 

The male dancer is also a famous science presenter. What is his name? 

These animals are able to share the same environment because —

The phases of the moon are caused by —

The energy possessed by moving bodies is called 

What determines the length of one full day (24hours) on Earth?   

What is  formed when a solute dissolve in a solvent 

Opposite of dilute is 

At which two positions of the moon will neap tides occur?

A _____ is a living thing,such as a plant, that can make its own food. 

Biotic means 

Which two organisms have a predator-prey relationship? 

When did dinosaurs become extinct? 

A food chain start with 

Which of the following describes the most fundamental cause of weather?

Which of the following is evidence in support of the theory of continental drift?

What keeps Earth from flying outward into space from its present position? 

A tide is a _________ rise and fall of sea level. 

Name for the smallest part of matter 

A specie that comes from another ecosystem is called 

Particles in a gas are moving____ and are____

Which two types of organisms have a producer-consumer relationship in this African savanna? 

Most dinosaurs were 

The primary source of energy for the earth's atmosphere is: 

A chemical that kills plants is called 

Which of the following are examples of human-caused environmental change? 

A collision between two pieces of continental crust at a converging boundary produces a 

This scientist is famous for 

What term means that no more particles can be dissolved in the solution 

which team is currently at the top of the AFL ladder?

Heat that comes from the earth is called 

Oxygen, carbon, iodine, potassium and sodium are examples of