KS3 UK year 7 science revision

What is an energy store?

• A place to buy energy
• How energy is kept by an object ready to be used

• A type of energy drink
• A form of renewable energy

Tags

NGSS.MS-PS3-2

Which of these is not an energy store?

• Mechanical

• Chemical

• Thermal

• Gravitational

Tags

NGSS.MS-PS3-2

What is the principle of conservation of energy?

• Energy only exists in the form of electricity
• Energy can be destroyed and created at will
• Energy cannot be created or destroyed, only transferred from one form to another.

• Energy is constantly increasing in the universe

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What are the properties of a solid?

• No shape or volume, particles are loosely packed together, and they have a fixed arrangement.
• Definite shape but no volume, particles are closely packed together, and they have a fixed arrangement.
• Definite shape and volume, particles are loosely packed together, and they have a random arrangement.
• Definite shape and volume, particles are closely packed together, and they have a fixed arrangement.

Tags

NGSS.MS-PS1-4

What does a flat area on a time-temperature graph show?

• Change in state of the substance

• Change in volume of the substance
• Change in density of the substance
• Change in color of the substance

Tags

NGSS.MS-PS1-4

In Biology, what is a primary consumer?

• An organism that consumes producers (plants) as its main source of food
• An organism that does not consume any other organisms as its source of food
• An organism that consumes only meat as its main source of food
• An organism that consumes other primary consumers as its main source of food

Tags

NGSS.MS-LS2-4

What is a food web?

• A food web is a system of interdependent food chains.

• A food web is a cooking website that specializes in recipes for desserts.
• A food web is a type of spider web made from food particles.
• A food web is a type of fishing net used to catch seafood.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

What do animals compete with each other for?

• Access to the internet and social media
• food, water, territory, and mates

• sunlight, carbon dioxide, water

Tags

NGSS.MS-LS2-1

Which of these is NOT an abiotic factor?

• Sunlight
• Water
• A plant
• Soil

What is biomass?

• The dry mass of an organism

• A method of water purification
• The wet mass of an organism

• A species of marine animals

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3