3rd Term Science Flashcards
What is the importance of plant’s?
Plants are important because they give us oxygen, food, clothes, furniture.And also plants remove the greenhouse gas.
What do plants need to survive?
Plants need: Water Nutrients Sunlight Air
Which are the 4 parts of a food chain?
Producer’s which are normally plants and gets energy from the sun.
Consumer’s which are normally herbivores (Which only eats plants) carnivores (Which only eat meat) and omnivores (Which eat meat and plants.)
Scavengers (Which eat dead animals.)
Decomposers (Which can be bacteria, fungi, insects,worms that a break down dead plants or animals.)
How do food chain’s work?
Producer’s take energy from the sun then the energy pases to the living things.
Why do you cook food?
You cook food because like this you kill bacteria and it change’s it’s flavour, texture and appearance.
What are physical properties?
It’s how it look’s it doesn’t change the actual thing.
Can physical changes be reversed ?
Physical change’s can be reversed sometimes.
What are chemical changes?
Cooking changes the chemical properties of food.
Can chemical changes can be normally reversed?
Normally it cannot be reversed.
Which are some examples of chemical changes?
When the bread turns browner when it’s toast.
And when meat turns from red to brown when it’s cooked.
Why do we preserve food?
We preserve food because in this bacteria can’t reproduce so you don’t get sick by eating food with bacteria.
What is a rotation?
A rotation it’s when en its spins around its own axis.
What is a revolution?
A revolution is when it moves around the Earth.
How long does it take the moon to make one rotation?
It take’s 27 days.
How long does it take the moon to make one revolution?
It take’s 27 days.
