Earth Science
These are formed from dead organisms that underwent heat and pressure over millions of years
Fossil Fuels
Measured using a balance, in grams
Mass
_____ bouncing of light waves off a surface.
Reflection
______ is the interaction between all the non-living and living things in an environment.
Ecosystem
Your brain has around _____ billion nerve cells.
a. 1
b. 10
c. 100
c. 100
_____ and _____ is caused by Earth spinning on its axis once every 24 hours.
Day and Night
_______ allow energy to pass through.
Conductors
____ bending of light waves as they pass through one medium to another
Refraction
Humans can have a negative or positive impact on an ecosystem.
True or Fals
True
Humans are made up of ____% of water.
a. 60
b. 50
c. 90
a. 60
The rotation of Earth causes the apparent movement of the Sun across the sky from ____ to ______.
east to west
______ is made of particles too small to be seen.
Matter
_______ light soaking into an object
Absorption
A _____ makes energy using light from the sun (photosynthesis).
Producer
The human nose can detect about _____ different smells.
a. 20
b. 10,000
c. 1 million
b. 10,000
Order of the planets from the Sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
If something sinks, it has ______ dense.
less
A ______ circuit allows electricity to pass through.
closed or complete
A ____ can show how energy is transferred from the sun to producers, consumers, and decomposers.
Food web
If you eat too many carrots, your skin will turn _____.
a. red
b. orange
c. blue
b. orange
What makes up the water cycle?
Evaporation, Condensation, Precipitation, Transpiration, and Runoff
A mixture is a combination of two or more substances
A solution is a special type of mixture.
True or Fals
True
_____ is force that works against motion
Friction
____ traits can be passed on through genes from parent to child.
Examples are: blue eyes and fur color
Inherited
The first food eaten in space by an American astronaut was _______.
a. bananas
b. popcorn
c. applesauce
c. applesauce