Soil
What is loam made up of?
sand + silt + clay
What are the 4 main needs of a plant?
Sun, soil, air and water
What is photosynthesis?
photosynthesis is the process where plants convert light energy into chemical energy. They create their own food from sunlight.
What is a mixture?
a mixture is a combination of two or more substances that can be separated into its individual parts.
What unit of measuremnet do you use to measure liquids?
Which soil typehas the largest particle found in soil?
Sand
What part of the plant absorbs water?
the roots
What is the name of the substance that gives plant their green colour?
chlorophyll
Name 4 methods of separation that can be used to separate mixtures
handpicking
sieveing/sifting
magnetism
filtration
Name a substance that does not dissolve in water.
oil, pepper, cinnamon
Which soil feels smooth and powdery when dry?
silt
Which part of the plant helps it to make food from sunlight?
the leaves
Photosynthesis is important because it provides two main things, what are they?
food and oxygen
What meothd of separation would you use to separate a mixture of flour and rice?
sieving/sifting
Name two substance that when mixed together for a solution.
salt and water
sugar and water
hot cocoa mix and water
Which is the best soil for farms and gardens?
Loam
What is the process called where plants create their food from sunlight?
photosynthesis
plants take in carbon dioxide, water and sunlight and convert it to_____________ and ______________
sugar and oxygen
When separating a mixtures and water passes through filter paper into a beaker that is called.....
the filtrate
when a substance does not dissolve in water it is said to be......
insoluble
How does pollution in the air affect the growth of plants?
If there is air pollution it can affect plants by blocking out the sunlight they need to make their food and harmful chemicals in the air is bad for plants too.
What 2 things do plants get from the soil that help them grow?
nutrients and water
Explain why living things cannot survive without photosynthesis.
Because plants are producers as they make their own food. If we do not have plants that create their own food, then the animals that depend on those plants will die and the animals that depend on those animals for food will die as well.
When we use filtration and separate a mixture of sand a water. The sand left back on the filter paper is called the......
residue
mary wants to make Hot cocoa. She mixes chocolate mix with hot water to make a solution. Which substance is the solute and which is the solvent?
Hot cocoa mix - solute
Hot water - solvent