Scientific model - The water cycle

Scientific model - The water cycle

By Kingsley Ogbonna

Multiple Choice

. 

When water is heated in the ocean by the sun and turns into water vapor

• Condensation

• Evaporation

• Transpiration

Multiple Choice

The forms of precipitation are ____________

• rain, sleet, snow, and hail

• only dew, mists, and rain

• only sleet and snow

Multiple Choice

When water flows back into the ocean it is called ____________

• run-off

• transpiration

• precipitation

Multiple Choice

After condensation, the droplets of water in the clouds fall to Earth in different forms ____________

• precipitation

• evaporation

• condensation

• run-off

Multiple Choice

When plants give off drops of water it is called ____________

• Transpiration

• Condensation

• Evaporation

Open Ended

In your own words, what is a scientific model?

Multiple Select

 

Pick the reasons why we use models

• Models are expensive to construc or create

• Models help you understand complex systems

• Models are used when systems are too expensive or impossible to use

Multiple Choice

Models can be helpful in scientific investigations because

• they can be safer to work with than the real thing.

• it may not be possible to work with the real thing.

• they can be smaller and more manageable than the real thing.

• All the options are correct

Multiple Choice

A tennis ball could be used to represent the sun because it's round and yellow. Which of the following could also be used to model the sun?

• a light bulb

• an empty cup

• an eraser

• a Kleenex box

Multiple Choice

 What is a scientific model?

• A representation of an object but smaller

• A representation of an object or system

• An exact representation made of similar material

• A familiar copy of an object

Multiple Choice

Why do the models change sometimes?

• Because the data or evidence changes

• To make it look pretty

• Because it is difficult to buy

5 Reasons why scientists create models

Multiple Choice

 If you want to compare sizes and distances in a model, then you should make a ___ model.

• planet

• map

• scale

• huge

Multiple Choice

What is the advantage of creating a model of a dinosaur?

• They are too large to easily study 

• Real dinosaurs cannot be studied because they are extinct

• They are too complicated to study

• The model is safer to work with. 

Multiple Choice

Scientists use a ___ to represent something that has too many parts, is too big, or is too small to investigate in real life.

• cars, dolls, people

• scale

• model

• telescope