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Growing Seeds 2

In this worksheet students have the opportunity to follow the course of an investigation, looking at the results, and use those to draw conclusions.

'Growing Seeds 2' worksheet

Key stage:  KS 1

Curriculum topic:   Plants

Curriculum subtopic:   Water, Light and Temperature for Growth

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

Annie has been doing an investigation on what seeds need to grow well.

 

 

Here are her results:

 

  SEEDS ON WET PAPER SEEDS ON DRY SAND
DAY 1 nothing's happened nothing's happened
DAY 2 a small root is showing nothing's happened
DAY 3 the root is longer nothing's happened
DAY 4 the root has grown and there's a shoot nothing's happened

 

Use Annie's results to answer the next questions.

Here's Annie's results table:

 

  SEEDS ON WET PAPER SEEDS ON DRY SAND
DAY 1 nothing's happened nothing's happened
DAY 2 a small root is showing nothing's happened
DAY 3 the root is longer nothing's happened
DAY 4 the root has grown and there's a shoot nothing's happened

 

 

Where did the seeds grow best?

wet paper

dry sand

Here's Annie's results table:

 

  SEEDS ON WET PAPER SEEDS ON DRY SAND
DAY 1 nothing's happened nothing's happened
DAY 2 a small root is showing nothing's happened
DAY 3 the root is longer nothing's happened
DAY 4 the root has grown and there's a shoot nothing's happened

 

How long did it take for the shoot to appear from the seed?

2 days

3 days

4 days

Annie's investigation did not include a FAIR TEST.

 

Why do you think her investigation was not fair?

because she didn't water the sand

because she grew seeds on paper

because she changed two things in her test

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place sunflower seeds on both wet paper and wet sand.

TEST B: place sunflower seeds on wet paper and dry sand.

Test A

Test B

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place sunflower seeds on wet paper and cress seeds on wet sand.

TEST B: place sunflower seeds on wet paper and cress seeds on wet paper.

Test A

Test B

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place cress seeds on wet paper and cress seeds on wet sand.

TEST B: place sunflower seeds on dry paper and cress seeds on wet sand.

Test A

Test B

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place cress seeds on wet paper. 

TEST B: place cress seeds on dry paper and cress seeds on wet paper.

Test A

Test B

  • Question 1

Here's Annie's results table:

 

  SEEDS ON WET PAPER SEEDS ON DRY SAND
DAY 1 nothing's happened nothing's happened
DAY 2 a small root is showing nothing's happened
DAY 3 the root is longer nothing's happened
DAY 4 the root has grown and there's a shoot nothing's happened

 

 

Where did the seeds grow best?

CORRECT ANSWER
wet paper
EDDIE SAYS
Seeds need water to be able to grow (or GERMINATE) so they grew on the wet paper. The dry sand hasn't got any water, so they didn't start to grow there.
  • Question 2

Here's Annie's results table:

 

  SEEDS ON WET PAPER SEEDS ON DRY SAND
DAY 1 nothing's happened nothing's happened
DAY 2 a small root is showing nothing's happened
DAY 3 the root is longer nothing's happened
DAY 4 the root has grown and there's a shoot nothing's happened

 

How long did it take for the shoot to appear from the seed?

CORRECT ANSWER
4 days
EDDIE SAYS
Annie's seeds produced a root by Day 2 but it wasn't until Day 4 that the shoot appeared. That's going to grow and the leaves will develop from it.
  • Question 3

Annie's investigation did not include a FAIR TEST.

 

Why do you think her investigation was not fair?

CORRECT ANSWER
because she changed two things in her test
EDDIE SAYS
A Fair Test helps you to decide if your results mean anything. Annie changed TWO things in her investigation: what she put the seeds on AND whether she watered them. If you said to Annie "your seeds will grow just as well on dry paper" she would not be able to prove that they didn't without doing her investigation again.
  • Question 4

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place sunflower seeds on both wet paper and wet sand.

TEST B: place sunflower seeds on wet paper and dry sand.

CORRECT ANSWER
Test A
EDDIE SAYS
With a Fair Test you change ONE thing at a time: if Annie puts seeds on wet paper and wet sand and then both sets grow, she will know it's water that's important and not what they are placed on. With her second test she wouldn't know whether it was the water or the paper that helped the seeds to grow.
  • Question 5

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place sunflower seeds on wet paper and cress seeds on wet sand.

TEST B: place sunflower seeds on wet paper and cress seeds on wet paper.

CORRECT ANSWER
Test B
EDDIE SAYS
With a Fair Test you change ONE thing at a time: so here only one thing has been changed in Test B - the type of seeds. In Test A there are two different types of seeds AND two different things to grow on.
  • Question 6

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place cress seeds on wet paper and cress seeds on wet sand.

TEST B: place sunflower seeds on dry paper and cress seeds on wet sand.

CORRECT ANSWER
Test A
EDDIE SAYS
With a Fair Test you change ONE thing at a time: so Test B is a mess! Different seeds, different things to grow on as well as wet AND dry! If one works and the other one doesn't Annie won't know why. In Test A the only difference is paper and sand, so if one works and not the other, she'll know what caused it.
  • Question 7

Here are two tests - which one is a 'Fair Test'?

 

TEST A: place cress seeds on wet paper. 

TEST B: place cress seeds on dry paper and cress seeds on wet paper.

CORRECT ANSWER
Test B
EDDIE SAYS
Test A doesn't tell Annie much, but in Test B she has got the SAME seeds, both on PAPER and one wet/one dry. So, if the wet ones grow (germinate) but the dry ones don't she'll KNOW it's to do with the water.
---- OR ----

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