Systems
Organisms at the base of a food web are called _________ because they are able to create their own food.
What is producers
When saturated salt solutions are evaporated, it creates ________
What is crystals
70% of the Earth is covered in water & 97% of that water is _____ water.
What is salt water
If you want to separate water and powder, you should use a ______
What is filter
You can separate yourself from your shadow by _______
What is jumping
An example of a __________ is dead plants and animals.
What is decomposer
Materials that don’t dissolve in water can be described as ____________.
What is insoluble
What is temperature & moisture/ precipitation
When one material of a mixture dissolves into the other material. the mixture is now a ________
What is a solution
If the sun is super high in the sky, your shadows will look __________
What is shorter
A _________ ________ describes the feeding relationships among a specific group of organisms, following a single path of energy flow.
What is a food chain
A _________ is a single, pure material, such as gold.
What is substance
The sun can give the same amount of energy to soil and water for the same amount of time, yet the soil will be colder than the water. This is due to the _______ _______ of Earth’s surface.
What is uneven heating
Color, shape, size, hardness, weight, texture and state of matter are all examples of _________ __________.
What is physical properties
The sun rises in the _____ and sets in the ______
Name the two cardinal directions that belong in the sentence. (In the correct order)
What is the sun rises in the East and sets in the West.
Earth is a complex system, it consists of 4 huge subsystems. Name all 4 subsystems.
What is atmosphere, biosphere, geosphere & hydrosphere
A solution is made up of two parts. The two parts have names, what are the names?
What is Solvent & Solute
_________ is the transfer of heat between objects that are directly touching.
What is conduction
There are 5 properties used to seperate mixtures. 4 of these properties are floating, sinking, size & evaporation. Name the 5th property.
What is magnetism
The apparent movement of the sun across the sky is the result of Earth’s
What is rotation
An __________ is a subsystem of the biosphere and includes hundreds and thousands of different types of organisms.
What is an ecosystem?
When you add a teaspoon of sugar to a cup of tea, the sweetened tea will have _______ mass compared to when the tea and sugar are separated.
What is the same
Name 5 ways fresh water can be redistributed over Earth’s surface.
What is ice, lakes, rivers, ground water & water vapor.
Solid, liquid & gas are the three states of matter. What properties do all solids share?
What is mass, shape & volume
What physical property describes an object that casts a shadow.
What is opaque