This structure is known as the “control centre” of the cell and contains DNA.
Nucleus
These particles inside atoms have a negative charge
Electrons
How long does it take for earth to orbit the Sun once
A year / 365 days
This planet is known as the “Red Planet.”
Mars
This system transports nutrients, oxygen, and hormones around the body.
The Circulatory system
A change where a new substance is formed, such as rusting or burning.
What is the force that pulls objects towards the centre of the Earth?
Gravity
What is the only metal that is liquid at room temperature?
Mercury
What tube carries food from the mouth to the stomach?
The oesophagus
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What is the unit for measuring force?
Newtons (N)
What animal has three hearts?
Octopus
What product formed in photosynthesis that is used in cellular respiration in plants?
Glucose / sugar
This principle states that the total mass of reactants in a chemical reaction must equal the total mass of the products.
Law of Conservation of Mass
When you merge all wavelengths of visible light together, what do you form?
White light
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This process describes how a cell maintains internal balance, despite changes in the environment.
Hint: Starts with the letter 'h'
Homeostasis
According to the particle model, increasing temperature increases this property of particles, causing them to move faster.
Kinetic energy
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What element is the main component of the Sun?
Hydrogen