Chemistry
This state of matter has a fixed shape and a fixed volume.
What is a solid?
The largest level of classification used to group living organisms.
What is a kingdom?
The force that pulls objects towards the centre of the Earth.
What is gravity?
The Moon produces no light of its own. What causes it to appear bright?
What is reflected sunlight?
The chemical symbol for water.
What is H₂O?
Particles in this state of matter move freely and spread out to fill the entire container.
What is a gas?
An organism that makes its own food through photosynthesis.
What is a producer?
This force slows down objects that slide or roll across a surface.
What is friction?
The Earth spins around this imaginary line.
What is the axis?
The planet known as the Red Planet.
What is Mars?
The process of a liquid turning into a gas.
What is evaporation?
A diagram that shows how energy moves from one organism to another.
What is a food chain?
This simple machine uses a rigid bar and a pivot point to make lifting objects easier.
What is a lever?
This causes day and night on Earth.
What is Earth’s rotation?
A day on Venus is longer than a year on Venus. True or False?
What is True?
The process where a gas changes back into a liquid.
What is condensation?
An organism that breaks down dead plants and animals.
What is a decomposer?
This simple machine uses one or more wheels with a rope to help lift heavy loads with less effort.
What is a pulley?
The phase where the Moon appears completely lit.
What is a full moon?
This is the only letter not used in any chemical element symbol.
What is J?
This theory explains how particles behave and move in solids, liquids, and gases.
What is the particle model of matter?
A relationship where two species live closely together and one benefits while the other is unaffected.
What is commensalism?
This type of force only acts when objects are touching.
What is a contact force?
This phenomenon occurs when the Moon passes between the Sun and Earth, casting a shadow.
What is a solar eclipse?
Bananas are naturally slightly radioactive because they contain this element.
What is potassium?