The diagram shows the Sun and Earth.
Choose the two correct sentences
2 (a) Some things are living things. Others have never lived. Find out the correct ones
things that have never lived……………………..
(b) Which of the following observations would help to identify a living thing?
3 Some substances that are solids, liquids or gases.choose the correct ones
(b) When ice is warmed, it changes. Write down the name of this process.
(c) If water was cooled to 0°C it changes. Write down the name of this process.
(d) What will happen to water if it boils?
4 (a) Choose the correct term to the meaning.
(a) Complete this sentence.
The puppet makes an image called a………………………….on the screen.
(b) What must the girl do to the puppet to make this image smaller?
(c) What do the audience see? Choose the correct answer
(d) What would the audience see if the screen were opaque?
(a) Which liquid has the lowest boiling point?
(b) Which liquid is pure water?
(c) Complete the sentences about boiling and freezing.
During boiling liquid changes into a………………
During freezing liquid changes into a…………………………..
7 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?
(a) Which two fruits from A, B, C or D dry to release the seeds?
(b) Which fruit A, B, C or D is dispersed by the wind?
Describe how this fruit is dispersed choose two
9 Maria is investigating what happens when indigestion tablets are added to water.
she measures 100cm3 of water and puts this into a beaker
she adds a 1g indigestion tablet to the water
she measures the change in temperature of the water.
Choose the measurement to the piece of equipment needed to make the measurement.
(a) What is the main food source for toads?
(b) Which three animals eat seed-eating birds?
(c) Write down one of the food chains for mice
(a) Erik strikes the glockenspiel with a hammer. What causes the sound?
b) Erik makes a high pitched sound on the glockenspiel? What does Erik do to make the pitch higher?
At what time is the sound from the studio the loudest?
(d) Describe what happens to the sound level between 10:00 and 15:00
(e) Aravinder suggests the wall between the library and the studio is lined with foam. Why is the foam useful?
12 Nara puts 2g of chalk and 3g of sugar into 30cm3 of water and stirs the mixture.
She then filters the mixture.
A white solid is left on the filter paper.
She dries this solid and measures the mass of the solid.
(a) What is the white solid left on the filter paper?
(b) Write down the name of the liquid that passes through the filter paper.
(c) What is the mass of the solid that is left on the filter paper after Nara dries it?
13 Blood is pumped to and from parts of the body. (a) Which two of these are correct for blood flow from the pump?
(b) Name two substances that the blood carries to be used by the cells in the body
(c) Name one substance carried by the blood to the lungs so it can be removed from the body
14 Some of the properties of copper are shown below
Property
good conductor of electricity
good conductor of heat
high boiling point
high melting point
hard
shiny
(a)Why is copper used to make electrical wires?
(b) Why is copper used to make cooking pots and pans? Choose the best two reasons
(a)What could he use to measure how much the spring stretches?
(b)Before his experiment Joshi thinks that the spring will stretch more if he adds more masses to the spring. What type of statement is this?
(c) When doing his investigation what must Joshi do to keep himself safe?
