The table below shows the boiling points of some liquids.


Complete the sentence about boiling.

During boiling liquid changes into a   ............................................

Sara and Juan are investigating the distance seeds can be dispersed.
Here is the equipment they use.



Sara drops a seed near the fan.
Juan measures the distance the seed moves.
They repeat the test for five more seeds.

They want to make it a fair test by always using the same size seed.
All of the options are other factors they could consider to keep the same EXCEPT?

Chen crushes some coffee beans into a powder and adds boiling water.


Chen then filters the mixture of coffee and water as shown below.


One of the words can be used to complete the sentence about stage 2.

The boiling water in the beaker is the  ...........................................

Here is a diagram of a puppet show.

Complete this sentence.
The puppet makes an image called a/an  ............................  on the screen.

Adanna is investigating the melting point of different salt solutions.

• she makes a salt solution using 10 cm³ of water with a known mass of salt
• she puts the salt solution into a freezer and leaves it to freeze
• she takes the frozen salt solution out of the freezer
• she measures the temperature when the frozen salt solution melts
• she repeats each experiment.

Here are her results.



One temperature in the second set of results does not fit the pattern.
Which temperature?

Seeds are dispersed from plants so they have a better chance to grow.

Here are some diagrams of fruits containing seeds.
Use these examples to answer the questions.



Which fruit A, B, C or D is dispersed by the wind?

Night blindness occurs as a result of deficiency of vitamin ......

Suzy is growing sunflower seeds.
She thinks that seeds will grow better in a bigger pot

• she puts one seed into each of four different sized pots
• she puts them in the same warm place and waters them regularly
• after four days the seeds begin to grow
• she measures the height of the shoot every day.

What does Suzy do to make it a fair test?

Seeds are dispersed from plants so they have a better chance to grow.

Here are some diagrams of fruits containing seeds.
Use these examples to answer the questions.



This diagram shows another fruit.

How is this fruit dispersed?

All living things have different life processes.

What is the life process for the turning food into energy?

The Earth rotates on its axis.

Which of these sentences is true?

The force which opposes the motion between two surfaces is called .........

A flounder is a flatfish that lives on the bottom of the sea.

One of the options s NOT a feature that you can see in the drawing which makes the fish suited to live on the sea-bed.

Here are some substances:

butter      chocolate      ice      orange juice      steam      water

All of the options are solids EXCEPT?

Adanna is investigating the melting point of different salt solutions.

• she makes a salt solution using 10 cm³ of water with a known mass of salt
• she puts the salt solution into a freezer and leaves it to freeze
• she takes the frozen salt solution out of the freezer
• she measures the temperature when the frozen salt solution melts
• she repeats each experiment.

Here are her results.



Why did Adanna collect two sets of results?

Which of the following protects the brain from damage?

The table below shows the boiling points of some liquids.


Which liquid has the lowest boiling point?

Chen crushes some coffee beans into a powder and adds boiling water.


Why does the water turn brown in stage 2?

Here are some substances:

butter      chocolate      ice      orange juice      steam      water

Which is a gas?

Which of the following  is a function of the skin in human beings?

The instrument used for measuring temperature is called ......

The soil sample from ......... is dark in colour

Animals survive by living in food chains.
Look at the food web below.


What is the main food source for toads?

L'taraoluwa is playing a drum.


Which of these statements is/are true?

I.  Sound can travel around corners.

II.  Sound can spread out in all directions. 

III.  Sound cannot travel through solids. 

IV.  Sound can travel through liquids. 

V.  Sound can travel in a vacuum.

Chen crushes some coffee beans into a powder and adds boiling water.


Chen then filters the mixture of coffee and water as shown below.


Chen heats the brown solution.
Half of the water evaporates.
What happens to the colour of the brown solution?