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Investigating - Simple Tests

In this KS1 Science quiz, explore simple tests. Change one thing, watch carefully, and explain your ideas using "because" to show what your results mean.

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Fascinating Fact:

We use “because” to share a simple conclusion, such as “This cloth is best because it soaked up the most water.”

In KS1 Science, you learn to carry out simple tests by changing one thing, watching carefully, and using clear results to decide what happened and explain your ideas.

Key Terms

Simple test: A quick investigation to find something out, such as which material soaks up water best.
Fair test: A test where you change one thing and keep the others the same so the result is honest.
Conclusion: What you decide after looking at your results, often using “because” to explain why.

Frequently Asked Questions (Click to see answers)

What is a simple test in KS1 science?

A simple test in KS1 science is a small investigation to answer a question, like which ball bounces highest, using easy equipment and clear observations.

How do you make a simple science test fair for children?

To make a simple test fair, change only one thing, keep everything else the same, measure carefully, and compare the results honestly.

Why should children use the word “because” in science conclusions?

Children should use “because” in science conclusions to link their ideas to results, for example, “This magnet is strongest because it picked up the most paperclips.”

Try These Related Quizzes

1 .

‘Where do jaguars live?’ How can you find out?

Look outside school

Look in different places

Look in a book or on the internet

Watch a computer game

Jaguars live in Central and South America

2 .

Harry is building a model bridge. Should he use wood, metal or plastic? Which will be strongest? How he can he find out?

Test them with weights

See if he can stretch them

See if they burn

See if he can shine a light through them

Which do you think will be the strongest?

3 .

‘How do camels survive the heat of the Sahara Desert?’ How could you find out at school?

Heat sand on a tray

Look it up in a book or on the internet

Look in an atlas

Filter sandy water into a beaker

This one you will have to look up!

4 .

Toni is doing an investigation in her class. She wants to know which is the most popular colour in the rainbow.

Toni paints this picture. Then she asks people: ‘Which colour in the rainbow do you like best?’

Who should she ask?

Only her friends

One or two people

Only the teacher and her friends

Everyone in the class

The more people Toni asks, the better her results will be

5 .

Natasha is keeping a weather diary. How can she record how much cloud there is every day?

Count the number of clouds

Write down the fraction of the sky covered by cloud

Write down the colour of the clouds

Write down how often it rains

What fraction of the sky in the picture is covered by cloud?

6 .

A class at school want to find out which habitat centipedes like best. They decide to look in different places.

They look under a large stone, in leaf litter, under a log, and under a hedge.

What should they count?

The number of mini-beasts

The number of centipedes

The number of woodlice

The number of beetles

Mini-beasts live in micro-habitats

7 .

Freddie asks, ‘When do frogs lay spawn?’ How can Freddie find out?

Check his local pond every week

Look it up in a book about frogs

Search for frogs on the internet

Use all three of the ways above

All three ways help Freddie to find out.

The frog in the picture is the red poison dart frog from Costa Rica

8 .

Jack asks, ‘What is the best temperature to grow seeds?’

Jack puts the same seeds into four different pots.

He puts each pot in a different place. Which four places would be best?