Scientists think that Mars ____ rivers and maybe a sea over a billion years in the past.
has had
has
have
had
_______ is the smallest planet and the nearest to the sun. It has no moons.
Mercury
There was a _______ show at the theme park the other day. The lights were so colorful.
laser
We use _______ to observe the stars every night.
a telescope
The _______ revolves around the sun. It's our home planet.
Earth
Which means of transport would you like to use in the future?
Example: "I'd like to use trains in the future because they're convenient, cheap, and better for the planet than cars or motorbikes."
Do you think people can live on other planets in the future? Which planet would you like to live on?
Example: "I think people will live on planets far in the future. I'd like to live on Mars, because it's close to Earth and the red rocks look interesting."
The company's sales increased _______ compared to last year. We have a lot of money now.
specifically
scientifically
significantly
There were many _______ left behind after the hurricane. A sofa, a lamp, pictures, my bag, my phone, and more.
objects
There's a train station in Europe that ______ a model of the moon on display since 2015.
have
has
had
has had
__________ has rings that are an iconic part of its appearance.
Saturn
That mask is truly _______. It looks like a real person! It's a little scary!
lifelike
dreamlike
catlike
childlike
Do you think the Earth in the past was greener? Why?
Example: "Yes, Earth was greener in the past because cities were smaller and there were less people, which means less pollution."
_______ is blue and is the farthest away from the sun.
Neptune
How many _______ planets are there in the universe? Maybe we could live there...
dreamlike
Earthlike
lifelike
Sunlike
_______ is a red planet. Scientists have sent many robots there.
Mars
Scientists still want to explore our _______ .
solar system
________ is the biggest planet. It's made of gas.
Jupiter
Tell me what you do now in your free time. Did you use to do the same 5 years before?
Example: "Now, I usually read books and meet friends. I didn't use to read books, but I always used to meet friends after school."
Scientists found a new _______ this week. That's the name for a planet outside of our solar system.
exoplanet
_______ spins on its side, and has vertical rings. It's also the coldest planet.
Uranus
Our _______ is called " the Milky Way"
galaxy
What will the future be like in 50 years? What will people do?
Example: "In 50 years, I think more people will study and work online. Houses will be smaller. There will be less trees."
People are looking for life on other _______.
planets
The astronauts _______ to orbit around the Earth next year.
will be flying
have flown
flew
fly
Some people think jumping rope is _______, but it's good exercise.
lifelike
catlike
Earthlike
childlike
There are many _______ in the sky tonight.
stars
The window's _______ is so dirty... You should clean it.
surface
The video you made is really ________. It doesn't look real. It's a little strange, but it's interesting, too.
catlike
childlike
lifelike
dreamlike
Astronauts _______ farther into space than ever before in 50 years.
traveled
travel
have travel
will travel
Our love will last _______. Years and years!
forever
If astronauts ___ to the moon, will they learn more than last time?
went
go
are going
have gone
The moonlight can _______ off the water on bright nights.
reflect
Do you think learning about the past is important? Why?
Example: "Yes, I think it's important because it can help prevent people from making the same mistakes."
The student ______ a city in America on a map. He found the location.
located
Do you think learning about the planets and stars is boring? Why?
Example: "No, I don't think so, because we still don't know a lot about space. I like the mystery, and I like the idea of life on other planets."
Traveling in _______ requires great physical strength.
space
_______ is the brightest planet. It's named after the Greek goddess of love and beauty.
Venus
Is there intelligent life elsewhere in the _______?
universe
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