1 Here are some organs found in the human body. Complete the sentences.
2 Complete the sentences about friction. Choose the best words from the list
Friction makes a moving object………………………..
A type of friction is………………………..
A food pyramid shows humans how much to eat of each food type. (a) Which food type should we eat the least of to stay healthy?
(b) Which food type is in part A on the pyramid?
4 Changes to materials are either reversible or irreversible. For each of the following changes decide if the change is reversible or irreversible.
Choose the correct ones
cooking rice………………………….
dissolving sugar in water………………………
evaporating salt water…………………………….
attracting a piece of steel to a magnet……………………………
(a)Name two different materials Mia could recycle.
(b) Mia wants to care for the environment. She recycles as much as possible. Write down one other way she could care for the environment.
7 Every material has its own set of properties. Complete the table about some materials and their properties. Some answers have been done for you.
Choose the correct table
8 Flowering plants make seeds. Complete the sentence. Choose from the following words
Seeds are made when pollen……………………… the ovum.
9 Class 6 investigate the sense of smell.
The class cover their eyes.
The teacher asks them to smell five different foods.
The class write down the names of the five different foods
Why do the class cover their eyes for this investigation?
10 Flowers have male and female organs. Here are three different flowers.
Complete the sentences. Choose from the flowers A B C.
The flower that has male and female organs is flower……………..
The flower that has female organs only is flower…………………………
The flower that has male organs only is flower………………………………
11 Anastasia has a mobile phone.
The mobile phone rings.
(a) She measures the volume of the sound with a sound level meter. In what units is the sound level measured? Choose the correct answer.
Look at the reading on the sound level meter.
What is the reading on the sound level meter? Choose the correct answer.
(b)Anastasia’s phone is 1 metre from the sound level meter. She moves it 5 metres away from the sound level meter. What happens to the reading on the sound level meter? Choose the correct answer
12 This question is about the Earth, the Sun and the Moon. Lily draws a diagram to show the position of the Earth in the month of June.Use it to answer the followering questions
Choose the correct box to show where the Earth will be 6 months later.
Choose the correct box to show where the Earth will be 9 months later.
13 Look at the picture of a polar bear
The polar bear is suited to its environment.
It has sharp claws.
Write down two other ways it is suited to its environment
(a)Name the process that changes water in the sea into water vapour.
(b)Name the process that changes water vapour into water droplets.
(c)When ice is warmed it changes into water. What is the melting point of pure ice?
(a)Blessy pulls her string. Complete the sentence. When Blessy pulls her string, the forear……………….
(b) Which part of the arm does the string represent? Choose the correct answer.
What is the right way of light of the diagrams to show how the horse can see Oliver.
17 People who cannot see use braille to read
Yuri investigates how people learn to read braille.
Yuri asks six friends to feel a letter in braille.
He shows the six friends the codes for different letters
He asks the six friends to say what letter they have felt.
He repeats the tests until his friends know which letter it is.
(a)Yuri predicts that letter A will be the easiest letter to feel. Why will letter A be the easiest letter to feel?
(b) Describe how Yuri will know which of the six friends is the best feeling braille
18 Potassium nitrate is a fertiliser.
Class 6 investigate how much of this fertiliser can be dissolved in 10 cm3 of water.
They do several experiments.
Each experiment has water at a different temperature.
Class 6 then repeat the experiments to get a second set of results. Here are their results.
(a)They measure the temperature of the water. What piece apparatus do they use?
(b)They measure the mass of the fertiliser. What piece of apparatus do they use?
(c)Why do they always use 10cm3 of water in each experiment?
(d) Class 6 decide that their results for one temperature need checking. Which temperature is this? ………….(°C)
(e) Predict the mass of the fertiliser that can be dissolved in 10cm3 of water at 70C. The mass of the fertiliser is………..g
