The smallest unit of life is the:

Which process allows living things to make more of their own kind?

Plants make their own food through:

Invertebrates are animals that:

Vertebrates include all except:

A dog is a:

A frog is an example of an:

Which animal lays eggs and has feathers?

The part of the plant that absorbs water is the:

Which part of the plant makes food?

A plant without flowers reproduces using:

Which characteristic of life helps organisms react to changes around them?

Which group has cold-blooded animals with scales?

Which of these is an example of a flowering plant?

Matter is made up of tiny:

Which state of matter has a fixed shape and volume?

Which state of matter flows and takes the shape of its container?

Which state of matter spreads to fill the whole container?

The particles in a solid are:

When a solid changes into a liquid, it is called:

The process of a liquid changing into gas is:

The process of a gas changing back into liquid is:

When a liquid changes into a solid, it is called:

The temperature at which water boils is:

The temperature at which water freezes is:

The spaces between particles increase when a solid becomes a:

When particles gain energy, they:

The particle model helps to explain:

The state of matter with the weakest particle forces is:

Energy is the ability to:

The energy of moving objects is called:

Energy stored in objects due to their position is:

Energy from the Sun is mostly:

Energy stored in food or fuel is:

Energy that travels through vibrations is:

Energy stored in stretched or squashed objects is:

When something falls, its potential energy changes into:

Energy cannot be created or destroyed, only:

When energy spreads out and becomes less useful, it is called: