Apparatus
Why are goggles necessary when conducting an experiment?
To protect your eyes.
What are the 4 main types of organisms?
Animals, plants, fungi and microorganisms.
Whats a mixture of solids and liquids called?
"Solution"
What is the difference between Gravity and Gravitational Potential energy
Gravitational Potential energy is the amount of energy an object's mass has because of it's relative distance from a surface below, and gravity is a force that attracts an object towards another object that has mass.
What planets does the asteroid belt lie between
Mars and Jupitar
What equipment is used to measure force?
Newtonmeter
Plant cells have some parts that a animal cell doesn’t have, what are they?
Cell wall, Vacuole, Chloroplasts
A substance that will dissolve in a liquid:
Soluble
What is the kinetic energy?
Energy of an object that has been calculated by its motion
It cannot, because there is no air in space so sound doesn't have any particles to vibrate through.
Describe the shape of a tripod, and why we use them:
A tripod is a three-legged platform used to support flasks and beakers.
Why do you look the same as your parents?
The way we grow and develop is determined by genes, (from our parents)
The liquid which solid dissolves in:
Solvent
What is the formula to find the moment?
Moment = Distance to some point × Force
What is chemical weathering?
When a substance decomposes a rock or changes its chemical bonding
When conducting an experiment, why should you use same-sized apparatus? Explain:
To make a fair experiment
What happens to the nuclei of egg and sperm cell during fertilisation?
The nuclei of both fuse together and create a new organism.
What is refraction and how is light affected by it?
Refraction is the bending of light as it passes through one transparent substance to another. Light is affected by refraction as it sightly changes direction and slows down when travelling from air to water.
How can tension affect and object in good way?
It allows force to be transmitted over a larger distance.
How are igneous rocks formed?
When magma cools and hardens
Find the question to this answer:
A synthetic recreation of a tissue that allows certain molecules or ions to pass through.
What is a synthetic semi-permeable membrane?
What does a white blood cell do?
It traps micro-organisms and prevents diseases.
What is diffusion?
Diffusion is the movement of particles; from where there are more to where there are less.
If an object is falling, what happens to the kinetic energy and the gravitational potential energy? Explain:
if an object is falling, the gravitational potential energy decreases and this means that it’s using less power to pull the object down to the ground, and we can also see the the kinetic energy is increasing and that means the speed of motion is increasing.
What is the difference between physical weathering and chemical weathering?
Physical weathering is the breakdown of rocks into pieces but the chemical composition doesn't change. chemical weathering is the breakdown of rock but the chemical composition changes.