Science primary 0846 paper 2 October 2015 Gradezup
A food chain starts with a…………………
Any animal eaten by another animal is their……………….
An animal that eats something else in the food chain is a…………………………..
An animal that eats another animal is a………………………
(a)What is the boiling point of substance A?
(b) Which substance has the lowest boiling point?
(c) What happens to a liquid when it boils?
(d) Water is not shown on the bar chart. What is the boiling point for water?
3 Oliver measures how loud some sounds are. (a) Choose the apparatus he uses.
(b) Oliver picks up a guitar
What must he do to the guitar to produce a sound?
(c) There is a group of children playing violins.
The teacher wants them to produce a louder sound.
What two things would make this happen?
Use the key to identify the plants.
5 Chen wants to separate a mixture of salt, sand and iron powders. (a) First of all Chen decides to separate the iron from the mixture. choose the method he uses
(b) Chen then decides to separate the sand from the salt and sand. He adds water to the mixture and then stirs the mixture for two minutes. choose the method he then uses to obtain the sand
(c) To finish the separation Chen gets salt from the salt solution. Put a circle around the method he uses to obtain the salt
(a)What equipment will they need to measure pulse rate? Choose the correct equipment
(b) Which unit is a correct measurement of pulse rate? Choose the correct answer.
(c) Pierre runs for 1 minute. Complete the sentence using one of these words
Pierre thinks his pulse rate will………………………..
(d) What is the sentence above? Choose the correct answer.
(e) Pierre runs for 1 minute again. Why is it a good idea to repeat measurements?
(a) What is the name of process A?
(b) What is the name of process B?
(c) Sometimes it is so cold that the water in a lake becomes ice. What is the name of this process?
(d) Sea water is boiled in a beaker for a long time. What would you see?
8 Lily wants to measure her mass. She stands on the scales.
Choose the correct answer.
9 Flowers have different parts.
(a) Why do flowers have petals?
(b) Choose the part of the flower which produces pollen.
(c) Choose a female part of the flower.
(a) Label the circuit diagram.
A..................................
Rajiv builds this circuit.
(b) It does not work. Explain why
(c) Rajiv now builds this circuit
(a) The recorders are different lengths. What apparatus is used to measure the length of the recorders?
(b) Recorder B has the lowest pitch. Predict which recorder will have the highest pitch. Choose the correct letter.
(c) Explain why you predicted this recorder
12 Using the picture below list three features which help this animal to adapt to its environment.
13 Scientists explore the solar system. Which scientist was one of the first to believe that the Sun was at the centre of our solar system? Choose the correct scientist
14 Hassan lives by the sea.
He wants to find out how much salt is in seawater
He measures a small volume of seawater using this apparatus
(a) What is the name of apparatus X?
(b) What is the volume of seawater in apparatus X?
(c) Hassan then finds the mass of a clean glass dish. What piece of apparatus should Hassan use to do this? Choose the correct answer
(d)Hassan pours all of the seawater into the glass dish. He leaves the dish of seawater in the sun for one day. What happens to the volume of seawater in the dish? Choose the correct answer.
(a) The time is 14:00.
Describe how the sundial shows this time
(b) Why does the shadow change during the day? Choose the correct answer
(c) Priya wants to make a sundial to show the time over 24 hours. Mia says this is not possible. Explain why Mia is correct.
16 Aiko investigates how much of a solid dissolves in 100 cm3 of water.
She writes down her results.
Here is a page from her note book.
