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1. Dr Wood
1) works for a science organisation.
2) has been studying space since she was 15.
3) has solved a mystery about space.
2. Dr Wood became interested in science because
1) her parents encouraged her.
2) she dreamt about the moon at night.
3) she learned about astrophysics at school.
3. What does Dr Wood say causes gravitational waves?
1) The movement of the Earth
2) The light from the sun.
3) Objects hitting each other.
4. Why is Dr Wood excited about the discovery?
1) They can be used safely instead of X-rays.
2) We can use them to see space in new ways.
3) She hadn’t guessed that they existed.
5. Why didn’t people think scientists would find gravitational waves?
1) Because the last ones died out 100 years ago.
2) Because they are too small to see.
3) Because scientists couldn’t agree on an approach.
6. What will Dr Wood do next?
1) Work on new technology to see gravitational waves.
2) Publish pictures of gravitational waves.
3) Find more examples of gravitational waves.
7. Dr Wood says her friends
1) are all scientists like her.
2) enjoy talking to her about work.
3) are bored of hearing about space.
1 – 1
2 – 1
3 – 3
4 – 2
5 – 2
6 – 3
7 – 3
A: Good afternoon and welcome to today’s Science Matters show. Our special guest this week is Dr Jenny Wood, an astrophysicist from the European Space Agency. She’s been studying the mysteries of outer space for the last fifteen years and is here to tell us about some recent discoveries.
B: Hi, and thanks for having me on the show.
A: It’s our pleasure. Now, your interest in space started at a young age didn’t it?
B: Yes it did. When I was eight years old my parents bought me a small telescope so that I could look at the moon from my bedroom window. I remember looking at the craters on its surface and being absolutely amazed. Since then, all I wanted to do was study outer space.
A: So, what recent developments have there been in your field?
B: Well, without a doubt, the most exciting thing to happen in years is the discovery of gravitational waves. These are tiny waves of energy. They travel through space for billions of years before they reach Earth. They happen when large objects, much bigger than our sun, crash into each other.
A: But what does this discovery mean?
B: Well, we use waves to take pictures. Light is a wave and we can capture that in photographs and X-rays. So we can use gravitational waves to see things that were completely invisible to us before. It’s amazing, because we don’t really know what’s out there, we can only guess.
A: And how was the discovery made?
B: It’s incredible really, because we’ve known about gravitational waves for decades. Einstein predicted their appearance a hundred years ago, but until know we haven’t been able to find them. It was thought that they were far too tiny for us to ever detect. But teams of scientists from countries all around the world have been working together to develop the technology to see them. It’s taken many years of effort, but the hard work has paid off.
A: So what’s next for you?
B: This technology is groundbreaking. We need to find more gravitational waves and practise recording them, to make sure we get as clear a picture of what’s going on as possible. As soon as my team can find more gravitational waves, we can start to make theories about what they do and how they affect the universe.
A: It sounds like a very exciting time to be an astrophysicist!
B: It is! My non-scientist friends all think I’m mad, but I can’t stop talking about it. I think they’re probably sick of me telling them about stars and black holes every day.
A: Thank you for coming in and telling us all about it! On next week’s show, we have a world famous scientist from …
