Space
can a star turn into a planet
no
Why are plants green?
Chlorophyll
What is kinetic energy?
The energy of motion.
What are the different states of matter?
Solid, Liquid, Gas
How do igneous rocks turn into sedimentary rocks
Weathering, erosion, and deposit.
what protects earth from solar radiation
the atmoshere
What is the largest bone in the human body?
Femur.
what is the speed of sound?(estimate)
(340-350 m/s)
actually 343 m/s
How many elements are in the periodic table?
118 elements.
what is the strongest material
diamond
what was the name of the first satellite
sputnik 1
What is the biggest organ?
Skin.
Name at least 4 types of energy?
Mechanical, Chemical, Thermal, Electrical, Nuclear, Light, Sound, Gravitational, and Elastic energy are all answers.
7
What is the didfrent types of rocks in the rock cycle
Igneous, Metamorphic, Sedimetary
why does the moon appear to change shape during the months
because it reflects different amounts of sunlight during the year
What is the name of the artery that supplies blood from the heart to the body?
The aorta.
what is Newtons third law of motion
for every action there is an equal and opposite reaction
What is the chemical formula for table salt?
a. NaCL
b. NaCA
c. NALC
a. NaCL
How many bones and organs do adults have?
206 bones and 78 organs
Which planets don't have a moon in our solar system?
Mercury and Venus.
whats the difference between a plant and animal cell
plants have a cell wall and chloroplasts
What is the lowest temp that a substance may have?
Absolute zero (0 Kelvin or -273.15°C )
a. 17,310.6
b. 16,360.1
c. 17,130.7
a. 17,310.6
How many moons are in our solar system?
a. 1035
b. 953
c. 897
b. 953