stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
7th grade TEKS science solar system unit review 7.9AB Flashcards | StudBud
Explore
/
7th grade TEKS science solar system unit review 7.9AB
7th grade TEKS science solar system unit review 7.9AB
13 terms
·
StudBud Administration
·
981 plays
space
Flashcards
13 cards
F
Practice quiz
P
Host live
L
Questions
13
Answers
1
All living things need-
spacesuits
soil
gravity
liquid water
2
Why is Earth able to support life?
there is an atmosphere
It is ice cold
It's in the Goldilocks Zone
It has only 1 star nearby
3
The Kepler space telescope-
lands on a planet
collects soil samples
observes objects from far away
is located on Mars
4
What is a unsafe re-entry angle that might cause the spacecraft to bounce back into space?
doesn't matter
vertical
shallow
gradual
5
The ISS travels-
below orbital velocity
equal to orbital velocity
above orbital velocity
any speed it wants
6
What causes weightlessness in the ISS?
constant free fall
no gravity
more gravity
less gravity and no free fall
7
Air pollution has a negative effect on the-
hot water
Ozone layer
floating plastics in the ocean
8
Why do astronauts use radio waves to communicate?
Sound does NOT travel through space
Sound travels well in space
it's cheaper than a cell phone
9
What is converted into chemical energy (food) by plants through photosynthesis?
sunlight
clouds
oxygen
soil
10
What is a negative side effect of microgravity on the human body?
decreases muscle and bone mass
whitens teeth
increases life span
increases bone length
11
The ozone layer is similar to-
water
a tornado shelter
spacecrafts
sunblock
12
What can determine a planet's temperature?
its size
distance from its moon
if there is life on the planet
distance from a star
13
Without air pressure, your body would...
shrink
smell
expand (get bigger) and NOT keep its original shape
stay the same
