Organisms and Their Traits
Many bears hibernate. Hibernation is an example of what type of trait or behavior?
Instinct
Not all dead organisms become fossils. What has to happen in order for fossilization to occur?
The organism must be covered by sediment very quickly.
Which is NOT a physical property of matter?
a. It's color
b. whether it will burn quickly
c. its transparency
d. its texture
b. whether it will burn quickly (this is a chemical property)
A force is applied.
When it is winter in the Northern Hemisphere, it is __________ in the Southern Hemisphere.
Traits are passed on...
From parents to offspring/babies
Why is Tennessee's state fossil a clam-like animal?
It was once covered by water.
A bicycle rusting in the rain is an example of what type of change?
Chemical change
What two types of forces can cause motion to stop?
Friction and gravity
What galaxy is Earth located in?
The Milky Way
Koko the gorilla has a sign-language vocabulary of more than 1,000 words. This is an example of what type of trait?
Learned behavior
3
2
1
If layer 4 is the top layer and 1 is the bottom layer, describe layer 2s age compared to the other layers.
2 is older than 3 and 4, but younger than 1
When a log burns in a bonfire, the matter that made up the log...
a. is destroyed
b. changes to ash and invisible gases
c. is half destroyed and half ashes
d. sinks into the ground
B. changes to ash and invisible gases
What BEST describes the direction of Earth's gravitational force?
a. It pulls objects closer together
b. It keeps objects from getting too close
c. It pulls objects closer to Earth
d. It pulls objects away from the air
Why does our sun appear much brighter than other stars?
It is closer to Earth.
What type of trait would it be if Emily gets a tattoo?
Acquired trait
3
2
1
If layer 4 is the top layer and 1 is the bottom layer, which layer is older than 4 but younger than 2?
Layer 3
A solid material is heated over a flame. When it reaches its melting point, what will happen?
It will turn into a liquid.
It will be harder to push a cart full of playground equipment than an empty cart because...
The full cart has more mass.
What objects in space orbit the sun? Select all that apply.
a. moons
b. dwarf planets
c. comets
d. asteroids
e. AUs
(b) dwarf planets
(c) comets
(d) asteroids
List two examples of each:
Learned behavior
Inherited trait
Acquired trait
Instinct
Answers will vary. Make sure the examples follow the description of each:
Learned - anything an organism learns over time
Inherited - trait passed from parent to offspring
Acquired - not part of genes/get over time from the environment
Instinct - behavior an organisms is born knowing
Answers will vary, but need to include:
-How an environment has changed over time
-What extinct animals looked like
-What structures plants and animals had
-And so on...
a. Cooling the water
b. Heating the water
c. Stirring the water
d. Adding more salt
e. Adding sugar to the water
(b) Heating the water and (c) stirring the water
Explain the difference (with examples) between balanced and unbalanced forces.
Examples will vary...
Balanced forces do not have a change in motion (two people pulling equally on a rope will not have any motion either way).
Unbalanced forces cause a change in motion. (If one person pulls harder on the rope, the rope will move in that direction).
Pluto was once considered a planet, but is now a dwarf planet. What makes a dwarf planet different than a planet? (include all 3 criteria)
It orbits the sun.
Spherical in shape.
Does NOT have a clear orbit