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Different Kinds of Scientific Enquiry

Students answer questions about the meaning of key vocabulary used in basic scientific enquiry.

'Different Kinds of Scientific Enquiry' worksheet

Key stage:  KS 2

Curriculum topic:  Properties and Changes of Materials

Curriculum subtopic:  Comparing and Grouping Properties of Materials

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

 

Scientists try to answer questions, for example:

 

Why are planets spherical?

 

What happens to heartbeat during exercise? 

 

Which is the best material for a football?

 

There are many different ways of answering these questions or enquiries. 

Scientists carry out fair tests. They consider all the things which they could change, for example: the material used to make a football, but keep all the other things the same, for example: the size of the football, the material it is filled with etc...

These are called FACTORS or VARIABLES. Only ONE factor or variable can be changed at a time, to keep a test FAIR.

Scientists always start their investigations with...

a cup of coffee

a question

an answer

Chris and Steph want to investigate melting ice. They think of some questions.

Which THREE of these questions can Steph and Chris investigate?

How does temperature affect melting?

How does the size of the cubes affect melting?

How does ice melt on the moon?

How does the liquid the ice is made from affect melting?

The students must think about the variables in this investigation. Variable means... 

the things we can change

the question

the time

Steph decides that they will investigate this question:

"How does the liquid the ice is made from affect how it melts?"

 

They freeze water, orange juice, coca cola and lemonade.

Which TWO variables must they keep the same?

where the liquids are frozen

the size of the ice molds

the shape of the ice molds

who freezes the liquids

How many variables or factors do they change to make the test fair

1

2

5

Steph and Chris predict the outcome of their experiment. In science, a PREDICTION means... 

looking into the future

saying what we think will happen

reading our horoscope

To find out how long the frozen liquids take to melt, Steph and Chris must MEASURE the time taken.

 

Match up the measuring equipment with what is being measured.

Column A

Column B

mass
balance
distance
stopwatch
temperature
thermometer
time
ruler

Match up these UNITS OF MEASURE.

Column A

Column B

degrees centigrate
distance
kilograms
time
metres
mass
minutes / seconds
temperature

Steph is investigating how gases expand to fill their container. Chris sprays an aerosol can at one side of the classroom and, after a while, Steph smells it at the other side.

Steph says: "When we use our senses in science, it's called..."

smelling

tasting

observing

looking

Chris has been investigating which materials conduct electricity. He has two groups - materials which allow electricity to flow and those which do not. 

 

Chris says: "In science, when we arrange materials into sets or groups it is called..."

fun

exploring

classifying

  • Question 1

Scientists always start their investigations with...

CORRECT ANSWER
a question
EDDIE SAYS
Scientists, and YOU are a scientist, always start with a QUESTION!
  • Question 2

Chris and Steph want to investigate melting ice. They think of some questions.

Which THREE of these questions can Steph and Chris investigate?

CORRECT ANSWER
How does temperature affect melting?
How does the size of the cubes affect melting?
How does the liquid the ice is made from affect melting?
EDDIE SAYS
We can change the variables, temperature, size and colour. It would be brilliant if we could melt ice on the moon, but this is not a question we can investigate!
  • Question 3

The students must think about the variables in this investigation. Variable means... 

CORRECT ANSWER
the things we can change
EDDIE SAYS
Variables are the things we can change for example, the size of the cubes.
  • Question 4

Steph decides that they will investigate this question:

"How does the liquid the ice is made from affect how it melts?"

 

They freeze water, orange juice, coca cola and lemonade.

Which TWO variables must they keep the same?

CORRECT ANSWER
the size of the ice molds
the shape of the ice molds
EDDIE SAYS
Liquids freeze at different temperatures. The students must keep the size and shape of the ice molds the same to make the test fair. Who, and where the liquids are frozen will not affect the fair test.
  • Question 5

How many variables or factors do they change to make the test fair

CORRECT ANSWER
1
EDDIE SAYS
Fair test means that only ONE variable is changed.
  • Question 6

Steph and Chris predict the outcome of their experiment. In science, a PREDICTION means... 

CORRECT ANSWER
saying what we think will happen
EDDIE SAYS
Scientist use their knowledge and understanding to say what they think might happen.
  • Question 7

To find out how long the frozen liquids take to melt, Steph and Chris must MEASURE the time taken.

 

Match up the measuring equipment with what is being measured.

CORRECT ANSWER

Column A

Column B

mass
balance
distance
ruler
temperature
thermometer
time
stopwatch
  • Question 8

Match up these UNITS OF MEASURE.

CORRECT ANSWER

Column A

Column B

degrees centigrate
temperature
kilograms
mass
metres
distance
minutes / seconds
time
  • Question 9

Steph is investigating how gases expand to fill their container. Chris sprays an aerosol can at one side of the classroom and, after a while, Steph smells it at the other side.

Steph says: "When we use our senses in science, it's called..."

CORRECT ANSWER
observing
EDDIE SAYS
In science, OBSERVATION means using our senses to answer a question.
  • Question 10

Chris has been investigating which materials conduct electricity. He has two groups - materials which allow electricity to flow and those which do not. 

 

Chris says: "In science, when we arrange materials into sets or groups it is called..."

CORRECT ANSWER
classifying
EDDIE SAYS
Yes, science is fun! Classifying means putting objects or events into groups with common properties. Another example is animals with six legs, or no legs, or wings.
---- OR ----

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