Skeletons and Their Functions
Three states of Matter
Space and Planets
Sources and Reflectors of Light
General
100

What are the main functions of the skeleton? List one.

To support the body, protect organs, help movement.

100

What are the three states of matter?

Solid, liquid, and gas

100

What do we call the star at the centre of our solar system?

The Sun

100

What do we need light for?

To see things around us

100

What happens to water when it freezes?

It turns into ice.

200

Which part of the skeleton protects the brain?

The skull

200

What state of matter is water when it is poured into a glass?


Liquid

200

How many planets are in our solar system?

Eight

200

Where does most of the Earth’s light and heat come from?

From the Sun

200

What is the closest planet to the Sun?

Mercury

300

Which part of the skeleton protects the heart and lungs?

The rib cage

300

Which state of matter keeps its own shape?

Solid

300

What is the name of the planet we live on?

Earth

300

Does the Moon produce its own light or just reflect light?

It reflects light

300

What force pulls objects down to the ground?

Gravity

400

What do we call the skeleton inside the body, like in humans and dogs?

Endoskeleton

400

What gas do humans and animals need to breathe?

Oxygen

400

Which planet is known as the “Red Planet”?

Mars

400

Is the Sun a natural or  artificial sources of light?


Natural light

400

What do we use to measure temperature?

A thermometer

500

What do we call the skeleton on the outside of the body, like in crabs or insects?

Exoskeleton

500

Which state of matter has particles that are very close together and only vibrate in place?

Solid

500

What do we call people who travel into space?

Astronauts

500

What do we use to make appliances work?

Electricity or batteries

500

What tool helps us to see very small objects?

A microscope

600

What do we call the soft skeleton made of fluid inside the body of animals like worms or jellyfish?

Hydrostatic skeleton

600

Which state of matter spreads out to fill the whole space available?

Gas

600

What do we call the group of planets, the Sun, and other objects that orbit around the Sun?

The Solar System

600

What can small devices use instead of mains electricity?


Batteries

600

What do we call the study of the weather?

Meteorology