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SAT Practice: Scientific Enquiry 3 (2013/Levels 3-5)

In this worksheet students practise the 2013 SAT style questions similar of those contained in past SAT papers.

'SAT Practice: Scientific Enquiry 3 (2013/Levels 3-5)' worksheet

Key stage:  KS 2

Curriculum topic:  Practice Papers

Curriculum subtopic:  SAT Practice Papers

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

This worksheet contains 20 SAT style questions. Questions are taken from across the whole science strand including scientific enquiry (SAT 2013).

These questions are typical of the type students will come across during the examination and are appropriate for those students who will sit the level 3-5 paper.

Harry and Ben were having an argument about orange juice.

 

Harry said that it was mainly water, while Ben said it couldn't be as it was an orange colour.

Harry said he'd prove it!

First he poured some orange juice into a dish and heated it gently over a flame. After a few minutes they saw a gas rising up from the hot orange juice.

 

 

Predict what Harry and Ben saw coming out of the dish.

smoke

steam

orange vapour

Ben still wasn't convinced that orange juice is mainly water so Harry said that he'd try to separate the orange bits by filtering.

He poured orange juice into the filter and allowed the liquid to drip through.

 

What do you think Harry and Ben saw was left in the filter paper?

bits of orange

bits of sugar

nothing

What do you think Harry and Ben saw dripping out of the filter paper?

water

sugar solution

orange juice

Ben still said that these experiments didn't prove that orange juice was mainly water, so Harry tried heating it again.

He set up this apparatus:

 

 

 

Next Harry, wearing gloves, carefully placed a cold surface against the gas coming out of the flask and droplets appeared on it.

 

What colour do you think the droplets were?

orange

colourless

white

What is the name of the process that Harry used to collect some of the liquid formed from the gas given off by the orange juice?

evaporation

condensation

solidification

On the Moon the force of gravity is about 1/6 of what it is on Earth, so everything weighs less.

 

 

Why do you think this is so?

The Moon is smaller than the Earth.

The Moon has no air.

The Moon has no gravity.

Complete the sentence:

If you were able to walk on the Moon, with its lower gravity, you would feel you were ______________.

 

heavier than on Earth

lighter than on Earth

the same as on Earth

The gravity on the Moon is 1/6 of Earth's gravity.

How much would a 60N school bag weigh on the Moon?

6N

10N

60N

On planet Earth the seas have tides - the water goes up and down each day.

That means that when you go to the beach for a swim it's important to know whether the tide's going in or out.

 

 

What do you think causes the tides to go up and down?

magnetic pull of the Sun

gravitational pull of the Moon

rotation of the Earth

Which of the following things in your bathroom depend on gravity to work properly?

Tick all those you think do.

 

bath

toilet

toothbrush

bathmat

soap

shower

bath plug

plastic duck

What are the teeth called which appear when humans are between 3 and 6 months old?

Write two words.

 

How long should the permanent, adult teeth last?

There's only one correct answer.

10 years

until we turn 21

all of our adult life

50 years

12 months

What job do the flat-edged incisors do?

grinding

ripping

biting

Micro-organisms in our mouths turn sweet foods into acid which causes decay and gum disease.

This build-up of bacteria can be seen as a sticky white substance coating dirty teeth.

 

What do dentists call this?

salivia

decay

plaque

sugar

tooth paste

How are teeth fixed into the jawbone?

using superglue

by their roots

using enamel

screwed in

by the dentist

Which part of the plant is the main part that makes the plant's food?

Write one word.

 

 

What does plants do with the food they make?

Tick two things from the list.

absorb water

grow

take in light

makes seeds

Imagine that a well-watered potted plant is kept in the dark for two days.

What is most likely to happen?

It will shrivel up and die.

It will turn yellow.

It will stop growing.

The roots of many plants spread out for some distance in the soil.

 

 

Why is this important to the plant? 

Tick two reasons.

It prevents other plants growing there.

It increases the amount of water the plant can absorb.

It helps the plant to stay stable.

It helps the plant to absorb more air from the soil.

It makes it more difficult for moles to damage it.

Two identical trays of pea plants were planted as follows:

  • one in compost/soil mixture,
  • one in damp sand.

 

Both samples of plants grew for two weeks and then their height was measured. It was found that most of the pea plants growing in compost/soil were taller than the ones growing in damp sand.

 

What could explain this?

Tick one reason.

Compost/soil has more mineral nutrients in it.

The sand is no good for roots to grow in.

The sand became hotter in the day, making it hard for the plants to grow.

  • Question 1

Harry and Ben were having an argument about orange juice.

 

Harry said that it was mainly water, while Ben said it couldn't be as it was an orange colour.

Harry said he'd prove it!

First he poured some orange juice into a dish and heated it gently over a flame. After a few minutes they saw a gas rising up from the hot orange juice.

 

 

Predict what Harry and Ben saw coming out of the dish.

CORRECT ANSWER
steam
EDDIE SAYS
The vapour Harry and Ben would have seen would have no colour: the orange colour in orange juice is caused by solids dissolved in the mixture and they cannot evaporate because they're solid!
So, just steam or water vapour.
  • Question 2

Ben still wasn't convinced that orange juice is mainly water so Harry said that he'd try to separate the orange bits by filtering.

He poured orange juice into the filter and allowed the liquid to drip through.

 

What do you think Harry and Ben saw was left in the filter paper?

CORRECT ANSWER
bits of orange
EDDIE SAYS
If it was pure orange juice, Harry and Ben would see little pieces of orange left in the filter paper. They are too big to pass through the tiny holes in the paper with the rest of the juice and get trapped.
  • Question 3

What do you think Harry and Ben saw dripping out of the filter paper?

CORRECT ANSWER
orange juice
EDDIE SAYS
When substances dissolve, they separate into tiny, tiny particles, small enough to pass through the little holes in the filter paper. Big bits of orange will get trapped but the dissolved orange solids and sugar pass through.
  • Question 4

Ben still said that these experiments didn't prove that orange juice was mainly water, so Harry tried heating it again.

He set up this apparatus:

 

 

 

Next Harry, wearing gloves, carefully placed a cold surface against the gas coming out of the flask and droplets appeared on it.

 

What colour do you think the droplets were?

CORRECT ANSWER
colourless
EDDIE SAYS
When you heat a solution, only the water can evaporate away because, although the dissolved solids in the orange juice (like sugar) are really small, THEY ARE STILL SOLID and cannot evaporate away.
So the vapour would have no colour - that's colourless!
  • Question 5

What is the name of the process that Harry used to collect some of the liquid formed from the gas given off by the orange juice?

CORRECT ANSWER
condensation
EDDIE SAYS
Condensation is formed from condensation!
This means that the droplets of water (condensation) are the result of CONDENSING steam into water, taking away its heat energy so it cools down from being a gas to being a liquid.
  • Question 6

On the Moon the force of gravity is about 1/6 of what it is on Earth, so everything weighs less.

 

 

Why do you think this is so?

CORRECT ANSWER
The Moon is smaller than the Earth.
EDDIE SAYS
Lots of people think that there's no gravity on the Moon... Well, there is but it's much less because the Moon is smaller.
It's not really tiny - in fact it's massive compared to you - but it's smaller size creates a smaller pull on objects on its surface so they weigh less.
  • Question 7

Complete the sentence:

If you were able to walk on the Moon, with its lower gravity, you would feel you were ______________.

 

CORRECT ANSWER
lighter than on Earth
EDDIE SAYS
Since the Moon is smaller it has a smaller pull on you which means you weigh less, so you'd feel lighter and it'd be weird walking as you'd have to skip along rather than walk!
  • Question 8

The gravity on the Moon is 1/6 of Earth's gravity.

How much would a 60N school bag weigh on the Moon?

CORRECT ANSWER
10N
EDDIE SAYS
To work this out you have to find 1/6 of 60 which is 10N.
In other words it's 60÷6=10.
  • Question 9

On planet Earth the seas have tides - the water goes up and down each day.

That means that when you go to the beach for a swim it's important to know whether the tide's going in or out.

 

 

What do you think causes the tides to go up and down?

CORRECT ANSWER
gravitational pull of the Moon
EDDIE SAYS
Amazingly the size of the Moon has a big influence on the Earth: its gravitational pull 'lifts' the seas a little as the Earth spins, so when it goes around different parts of the world you will experience more or less water, which means that the tide's going up or down/in or out.
  • Question 10

Which of the following things in your bathroom depend on gravity to work properly?

Tick all those you think do.

 

CORRECT ANSWER
bath
toilet
bathmat
shower
bath plug
plastic duck
EDDIE SAYS
They pretty much all do!
Your toothbrush doesn't rely on gravity to work and ordinary soap doesn't either (although a hand dispenser soap delivers liquid soap by gravity, so you can have that if you thought so!).
  • Question 11

What are the teeth called which appear when humans are between 3 and 6 months old?

Write two words.

 

CORRECT ANSWER
milk teeth
EDDIE SAYS
Our milk teeth fall out from about the age of six and are replaced by permanent, adult teeth.
  • Question 12

How long should the permanent, adult teeth last?

There's only one correct answer.

CORRECT ANSWER
all of our adult life
EDDIE SAYS
With proper care, a healthy lifestyle and a balanced diet, permanent teeth can last a lifetime!
  • Question 13

What job do the flat-edged incisors do?

CORRECT ANSWER
biting
EDDIE SAYS
Think about eating an apple. We use our incisors to bite off a chunk.
  • Question 14

Micro-organisms in our mouths turn sweet foods into acid which causes decay and gum disease.

This build-up of bacteria can be seen as a sticky white substance coating dirty teeth.

 

What do dentists call this?

CORRECT ANSWER
plaque
EDDIE SAYS
As well as tooth decay, gum disease is also caused by plaque. The acid it produces attacks the gums and can loosen healthy teeth so much that they fall out!
  • Question 15

How are teeth fixed into the jawbone?

CORRECT ANSWER
by their roots
EDDIE SAYS
The part of a tooth we can see is not the whole tooth. Teeth have roots which fix them into the bone of the upper and lower jaws.
  • Question 16

Which part of the plant is the main part that makes the plant's food?

Write one word.

 

 

CORRECT ANSWER
leaf
Leaf
leaves
Leaves
EDDIE SAYS
The leaves contain the green pigment (called chlorophyll) that has the amazing ability to absorb light and use that energy to make food for the plant.
  • Question 17

What does plants do with the food they make?

Tick two things from the list.

CORRECT ANSWER
grow
makes seeds
EDDIE SAYS
The food that plants make is called sugar and they use it to make new shoots, leaves, roots, etc., in other words they grow.
They also store food in the seeds to start off the new plant when it begins to germinate.
  • Question 18

Imagine that a well-watered potted plant is kept in the dark for two days.

What is most likely to happen?

CORRECT ANSWER
It will stop growing.
EDDIE SAYS
Two days is not long enough to affect the colour of the plant.
Without light it will use up any food it has stored and then it cannot make any more so it will stop growing.
  • Question 19

The roots of many plants spread out for some distance in the soil.

 

 

Why is this important to the plant? 

Tick two reasons.

CORRECT ANSWER
It increases the amount of water the plant can absorb.
It helps the plant to stay stable.
EDDIE SAYS
A plant's roots are vital not only for absorbing water and transporting it to the rest of the plant, but also for helping the plant to remain stable in the soil, even when the wind blows hard!
  • Question 20

Two identical trays of pea plants were planted as follows:

  • one in compost/soil mixture,
  • one in damp sand.

 

Both samples of plants grew for two weeks and then their height was measured. It was found that most of the pea plants growing in compost/soil were taller than the ones growing in damp sand.

 

What could explain this?

Tick one reason.

CORRECT ANSWER
Compost/soil has more mineral nutrients in it.
EDDIE SAYS
Damp sand is fine for many plants to anchor themselves in but it provides very little in the way of minerals (like nitrates) that plants need to grow well.
---- OR ----

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