1. Copy and fill in the blanks: a. Light telescopes use
light, focusing an eye of the observer. b. c. A wave to another through
d. The features of a wave are a ,
, and .
e. The speed of a wave can be calculated by multiplying its
by its
f. Radio telescopes use produce objects.
g. NASA stands for .
h. The types of space mission are , .
and i. Scientists analyse . j. The . that fall to the
Earth from space. They are looking for or
is listening for radio
signals from outer space that might suggest signs of
2. Using information collected from online research, copy and complete the following table:
Spaceflight programme
Mercury Gemini Apollo
Dates active from/to
Goals Accomplishments ,
a. What shape is this graph? What does this tell you about objects in freefall?
b. Estimate the velocity of the object at 2 s.
4. Write a summary of the advantages and disadvantages of radio telescopes over light telescopes.
5. Write an evidence-based essay titled ‘Humankind’s greatest successes and failures in space exploration’.
6. Research why scientists are convinced that there has been water on Mars for billions of years. Write a maximum of five bullet points to support your answer.
7. Describe current strategies to search for extraterrestrial life in space.
images of distant . to
lenses converge light. lenses diverge light.
from one point .
, to in the
3. A group of students investigated the motion of a rocket. They built a model rocket and fired it into air for eight seconds, after which time it landed back on the Earth. They plotted the following graph of the distance it covered with time relative to the position of the Earth.
