Amplify Science Unit 1 Chapter 4

Seeds can be dispersed by:

• blowing in the wind

• being carried by animals in their fur

• being eaten by animals and then left in droppings

• all of the above

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Use the picture

What word best describes a Burclover seed?

• spiky

• smooth

Use the picture

What do you think is the most common way a Burclover seed gets dispersed?

• An animal eats the very sharp, spiky seed and disperses it in their droppings

• The seed gets caught on the fur of an animal. The animal carries the seed and it eventually falls off in a new area

What object can you use to model how far a Burclover seed can move in the wind?

• a fan

• fuzzy fake fur

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What does a better job at dispersing the Burclover seed?

• wind

• fur

How many cm did the Burclover seed travel by fur on trial 4?

• 53 cm

• more than 350 cm

Why does a scientist test more than once?

• results in an investigation are not always the same, so it's helpful to do multiple tests

• results are always the same, they don't need to test more than once

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What scientific toll do you think they used to measure the distance?

• a ruler

• a beaker

• goggles

What structures do Sal Tree have that allow them to be dispersed by wind?

• propellers

• fluffy parts