Miss

(a) Peter used the equipment at a lower place to investigate growth of plants.

? surveys the
? temperature of the charge measures the °C

? measures the time
? for the experiment days

? measures the batch grams

? of a plant

? measures the length
? of a plant cm

4

(b) The diagrams down the stairs show four measuring containers.

Which is the best container to use to measure 15 cm3 of water?
Write the letter.
? C 1

Why did you train this container?
? Because its easier to find 15cm in the container c 1

2. Anna has a wad of deodorant that she uses once each day.
Before she uses the deodorant she measures the mass of the can.

(i) What was the mass of the can of deodorant on day 1?
? 200g 1

(ii) How did the mass change as Anna used the deodorant?
It decrease

(iii) Anna did non use the deodorant on day 6.
How can you bear witness this from the graph?

Because its getting smaller than day 5 1

(b) The deodorant can has a warning sign on it.
[pic]

What does this warning sign mean?




? Dangerous 1

A deodorant contains a solution of perfume and alcohol.

It boils.

(d) Anna sprayed the liquid deodorant beneath her arms.
After a few minutes, her skin had dried.
It condensed.

The picture below shows a mammal called an otter.
a) Give one feature that yet mammals lay down

? that every mammal has in common are that they have hair
1

b) Otters live by rivers.

Give one way the otter is worthy for swimming.
Use the picture above to help you.
? A slick shape allows to swim easily 1

Otter cubs are born in a burrow under the ground.
(i) How does this help the otter cubs survive?
A streamlined shape makes burrowing easier

Why must the burrow be above the level of the water in the river?

(d) Otters catch fish and birds for food.
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