Lab
What do we use to heat experiments?
Bunsen Burner
What is the technical name for a push or pull?
Force
Seawater is a solution, what is the solvent?
Water
What is the basic building block of living things?
The cell.
I find a rock with sand grains of different colours arranged in layers. What is it?
Sandstone
What is the name of the glassware shaped like a volcano?
Conical flask
Which force opposes surfaces sliding past each other?
Friction
What is filtration?
When you pass a mixture through a material to separate out a liquid from the larger particles.
Is Covid caused by a bacteria or virus?
Virus
A rock transformed under heat and pressure. What is it now?
Metamorphic
What is the little twisted-s-shaped device which screws to a retort stand?
Bosshead
List three non-contact forces.
Gravitational force, magnetic force, electric force
What do we call a collection of atoms bonded together?
Molecule
Cellular respiration
I have a grey, bubbly igneous rock that floats. What is it?
Pumice
How are you meant to smell substances from a test tube?
By wafting with your hand.
How do the tides work?
The water is pulled by the gravitational attraction of the moon.
What does heating cause at the particle level?
Increased vibrations/ kinetic energy of particles.
List three needs of all living things.
Water, Nutrition, Waste Disposal
Distinguish between weathering and erosion.
Weathering is the actual breakdown of the rock, whereas erosion is the carrying away of the broken down material.
How are you meant to mix substances in a test tube?
By the finger tapping and swirling method.
Explain how humanity first confirmed the heliocentric model of the solar system.
The unusual paths of the planets was the best early evidence. The decisive evidence was really when Galileo pointed the telescope at the planets and discovered they also had moons, so clearly not everything had to orbit Earth. This allowed us to consider the sun as the centre.
Outline some differences between a mixture and a compound?
Mixtures contain no set ratio of elements, compounds do. Compounds have only one type of particle, mixtures have at least two. Compounds contain chemical bonds between elements, mixtures might not.
Explain how the digestive system meets a particular need of a living thing.
The digestive system separates the nutrients out of food and delivers them to the blood stream. This enables the cells of the body to have access to chemical energy and other important cell-building materials.
Define the term "mineral".
A solid substance with a well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.