Life systems
What is the basic unit of life?
What is a cell?
What is the force that pulls objects toward Earth’s centre?
What is gravity?
What state of matter has a definite shape and volume?
What is a solid?
Which planet do we live on?
What is the Earth?
Give one example of a renewable energy source.
Solar, wind, hydro, or geothermal energy.
Which organ system is responsible for transporting oxygen and nutrients throughout the body?
What is the circulatory system?
Which type of simple machine is a seesaw?
What is a lever?
When ice melts, is it a chemical or physical change?
What is a physical change?
What is the name of the star at the centre of our solar system?
What is the Sun?
What is one effect of climate change on ecosystems?
Habitat loss, species extinction, rising sea levels, etc.
What process do plants use to make their own food using sunlight?
What is photosynthesis?
Which force keeps you from slipping when you walk?
What is Friction?
What state of matter takes the shape of its container but has a definite volume?
What is a liquid?
What force keeps planets in orbit around the Sun?
What is gravity?
What 3 things do plants need to grow?
What is sunlight, water and nutrients?
Name one human activity that reduces biodiversity in ecosystems.
What is deforestation / pollution / overfishing (any correct)?
What shape is often used in bridges because it is very strong?
What is a triangle?
What type of energy comes from moving water?
What is the process called when ice changes directly from a solid to a gas?
What is sublimation?
What gas do humans add to the atmosphere by burning fossil fuels?
What is carbon dioxide (CO2)?
What is the difference between a producer and a consumer in a food chain?
Producers make their own food; consumers eat other organisms.
What is the equation for work?
What is force x distance?
What happens to particles when you heat them up?
What is they move faster/spread apart?
What is the term for how clear or cloudy water appears because of particles floating in it?
What is turbidity?
What is biodiversity?
What is the variety of living species in an ecosystem?