4. Let's explore

Word

Example

Sun

We need to show how far they are from the Sun

Moon

How far is the Moon from the Earth?

Earth

Look, here's the Earth

planet

Here are the planets

star

Look, there's a bright star in the night sky

rocket

I want to be an astronaut and fly a rocket into space

solar system

We're making a model of the solar system for the Science Fair!

space station

The space station orbits Earth, and astronauts live there

telescope

With my telescope, I can see the moon and the stars better

comet

I hope to see a comet in the sky one day

spacesuit

They fix the station and, if they need to fix something outside, they put on their spacesuits and do a spacewalk!

satellite

The International Space Station (ISS) is a satellite

astronaut

I wonder how astronauts brush their teeth

will

I will get him a present later

won't

I won't forget your birthday; I'll buy you a present

soon

We'll go to the park soon and have a picnic

tomorrow

Let's meet at the library tomorrow for our study group

later

I'll finish my homework later, after dinner

this evening

We're going to the movies this evening

a hundred

He's one hundred and eighty centimetres tall!

a thousand

There are a thousand students in our school

a hundred thousand

The city has a hundred thousand people living in it

a million

Some countries have a million different types of animals

stone

Some of the stones came from Wales, 240 kilometres away

believe

Many people believe that the circles were meeting places

think

Other people think the circles were ancient markets

date of birth

What's your date of birth?

phone number

What's your home phone number?

experiment

They do experiments to find out more about space

rocky

Not all of the eight planets in our solar system are rocky

surface

These four planets have got a hard, rocky surface and their core is mostly made of metal

core

The Earth's core is very hot and made of molten rock

metal

Coins are often made of metal like copper or nickel

crater

Space scientists know there are volcanoes, valleys and craters on the surface of the rocky planets

gas

Balloons are filled with gas to make them float in the air