Science primary 0846 paper 1 2014 Gradeup -

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Science primary 0846 paper 1 2014 Gradeup.
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All living things have different life processes. Write down the life process to the definition.

None

Responding and reacting…………………

Reproduction

Sensitivity

Respiration

None

Producing young/offspring…………………..

Reproduction

Respiration

Sensitivity

None

Turning food into energy …………………………….

Respiration

Sensitivity

Reproduction

None

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

None

(a) Name one feature that you can see in the drawing which makes the fish suited to living on the sea-bed. Explain how this feature is useful.

Feature…………………………………..

Mottled skin

Cold Temperatures

Poor Circulation

None

Explanation………………………….

Unclear view

Blood vessels constrict in response to cold

hide from predators

None

(b) These fish can be caught by fishermen with a rod and line or by dragging large nets across the sea-bed. Which of these methods is most likely to conserve this variety of fish? Explain your answer.

None

Method…………………….

fla

eyes above

rod and line

mottled skin

None

Explanation…………………………………..

If the discoloration persists or worsens

less of this fish removed/caught.

breathing difficulty

None

3 The Earth rotates on its axis. (a) Write down how long the Earth takes to make one complete rotation on its axis

1day

3days

2days

4days

None

(b) Which of these sentences is true?

The Sun travels round the Earth

The Sun does not move

The Sun goes round the Moon

The Sun orbits the Earth

None

4 Kofi has built an electrical circuit.

None

(a) The lamps are off. What does Kofi do to turn the lamps on?

A.connect the cell

Press the switch

Close the lamp

Light a candle

None

(b)Choose the circuit diagram for this electrical circuit. Use circuit symbols

None

Complete these sentences. Cables and wires need to be good electrical conductors.

They are made of…………………………..

plastic

insulator.

metal

None

For safety, wires are covered with materials that do not conduct electricity.

The wires are covered with………………………..

plastic

metal

insulator.

None

Any material that is a non-conductor is an……………………………….

plastic

insulator.

metal

None

6 Rosie is playing a drum

None

(a) She increases the pitch of the note made. What does Rosie have to do to increase the pitch?

strike the drum softer

slacken the drum skin

tighten the drum skin

strike the drum harder

None

(b) Which of these statements is correct? Sound can travel around corners.

true

false

None

Sound can spread out in all directions.

true

false

None

Sound cannot travel through solids.

true

false

None

Sound can travel through liquids.

false

true

None

Sound can travel in a vacuum

false

true

None

7 Elena 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.

None

(a) What happens to the frozen salt solution when it melts?

It freezes

turns into a liquid

It evaporates

It boils

None

(b) What is the melting point of pure water?

5 (o C)

0 (o C)

1 (o C)

7 (o C)

None

(c) Complete the sentence about the pattern shown by the results. The…………………………….the mass of salt in the solution the…………….. the melting point.

evaporates the faster

higher the lower

stays the constant

It increases

None

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

-7°C

-2°C

.-4°C

-5°C

None

(e) Why did Elena collect two sets of results?

Allowing personal biases or assumptions to influence conclusions

Failing to standardize procedures or protocols

make results more reliable

to make the results more accurate

Samir is flying a kite. There is a strong wind blowing. The picture shows the forces on the kite

None

(a) Which letter shows the gravitational force on the kite?

None

Which letter shows the pulling force Samir exerts?

None

Which letter shows the pulling force of the wind?

None

(b) Which two forces balance?

B and C

D and A

A and C

C and D

None

(c) The strength of the wind increases. The kite stays in the same place. What happens to the pulling force that Samir exerts?

It stays constant

It increases

It decreases

None

9 All animals eat to give them energy.

(a) Here is some information about a food chain in the sea.
Penguins eat fish.
Fish eat green plants called plankton.
Choose the correct food chain

fish → plankton / plant → penguin

plankton / plant → fish → penguin

penguin → fish → plankton / plant

plankton / plant → penguin→ fish

None

(b) Here is some information about a food chain in a woodland.

Owls eat small birds.
Small birds eat insects.
Insects eat tree leaves.
Choose the correct food chain

(leaves) →(small) bird → insect→ owl

(leaves) →owl → (small) bird → insect

(leaves) → insect → (small) bird → owl

(leaves) → insect → owl → (small) bird

None

10 Gaynor knows that birds have hollow bones like a tube. This helps birds to fly. She is investigating how the diameter of hollow tubes changes the strength of the tube. Here is her apparatus.

Here are her results

None

(a) Which diameter tube is the strongest?

20(mm)

16(mm)

12(mm)

24(mm)

None

(b) Gaynor says her results are not very useful. The investigation can be improved by using different materials for the tubes. Write down two other ways Gaynor can improve her investigation

use longer / shorter pieces of paper

use different size masses

repeat the investigation

Use torn or irregularly shaped pieces of paper to introduce bias

use different size tubes

Choose masses of unequal density but claim they are the same.

tubes with random or unknown sizes, without measurement.

They help the bird store more oxygen for flying

They make the bird heavier, allowing it to fly faster

They make the bird’s bones stronger to withstand flight

Lighter in mass

None

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

None

(a) Why does the water turn brown in stage 2?

It turns into gas

It hardens

It disappears

It dissolves

None

(b) Chen then filters the mixture of coffee and water.

None

Some brown solid is left on the filter paper. Choose the correct statement that explains this.

some of the coffee powder is insoluble

all of the coffee powder is soluble

some of the coffee powder is frozen

all of the coffee powder is insoluble

None

The brown solid on the filter paper is the……………………………………..

filtrate

solvent

residue

mixture

None

The brown solution in the beaker is the……………………………..

residue

filtrate

mixture

solvent

None

(d) Chen heats the brown solution.

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

goes colourless

becomes a darker brown

stays the same colour

becomes a lighter brown

None

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.

None

(a) They want to make it a fair test by always using the same size seed. What two other factors do they keep the same?

Height dropped

Mass / weight of seed

Same type of seed

The seed falls upward the higher the drop

The height drop makes no difference in how the seed moves

The seed will always land at the same spot regardless of height

None

Here are their result

(b) Plot their results on a bar chart.

The first two have been done for you.

None

Choose the correct answer for 3

None

Choose the correct answer for 4

None

Choose the correct answer for 5

None

Choose the correct answer for 6

None

Which one is it?
Seed number

None

(d) These seeds have all been dispersed by the same method.Choose the correct method

self dispersal

explosive dispersal

water dispersal

animal dispersal

wind dispersal

None

13 Gennaro makes the following mixtures in his kitchen.

None

(a) What happens to each of the mixtures.

(A)

chemical reaction

does not react or make a solution

makes a solution

None

(B)

chemical reaction

makes a solution

does not react or make a solution

None

(C)

chemical reaction

makes a solution

does not react or make a solution

None

(D)

makes a solution

chemical reaction

does not react or make a solution

None

(b) Which is irreversible?

None

(d) Write down how he could get salt back from B

The ingredients evaporate completely without forming anything new

The ingredients mix physically but do not change chemically

The ingredients remain unchanged and separate into layers

The ingredients chemically react to form something else

None

Name

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Before you begin ✍️ You are about to practice the questions set for Science primary 0846 paper 1 2014 Gradeup. Put away any distractions and focus all your efforts on excelling.

⏱️Time limit: 20 minutes

At the end of your examination practice, you will 📝 View your grade ✅ View the correct answers

NOTE: The answers provided haven't been verified by an official Cambridge-affiliated entity, therefore consider discussing your concerns with the instructor or fellow students for clarification.

To begin your exam practice, tap the START button below. "We're rooting for you all the way!" All the best. 😃

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Before you begin ✍️
You are about to practice the questions set for
Science primary 0846 paper 1 2014 Gradeup.
Put away any distractions and focus all your efforts on excelling.

At the end of your examination practice, you will
📝 View your grade
✅ View the correct answers

To begin your exam practice,
tap the START button below.
"We're rooting for you all the way!" All the best. 😃