Water Unit
What are the three parts to the water cycle?
(You must name all three correctly to get the points)
Condensation
Evaporation
Precipitation
One of Earth's ROTATIONS gives us one year.
False! One of Earth's ROTATIONS gives us a day.
How does the amount of matter change during a change of state?
a) stays the same
b) changes a little bit
c) changes a lot
a) stays the same
A hawk hunting a rabbit for food. The hawk is an example of:
a) prey
b) producer
c) predator
d) decomposer
c) predator
Renewable resources are resources that can be used again and again if they are _______________.
a) used as fast as possible
b) used at a rate equal to or slower than they are replaced.
c) used to make electricity
d) used at a rate faster than they are replaced.
b) used at a rate equal to or slower than they are replaced.
How does pollution move from one location to another? choose the BEST answer.
a) humans carry it there
b) natural forces like wind and rain carry it there
c) pollution moves on its own.
d) there is pollution everywhere
b) natural forces like wind and rain carry it there
Which of the following objects appears to move in a predictable pattern across the sky?
a) moon
b) sun
c) stars
d) all the above
d) all the above
The diagrams below show particles that make up two substances. Which substance shows a solution.
A B
: : : : : :..:..:..:..:
.............. ..:..:..:..:..
B. Solutions are when to substances come together to mix, instead of remaining separate.
Here is an example of a food chain. What do the arrows indicate?
grass --> rabbit --> fox --> hawk
a) how they are connected
b) the transfer of water
c) the transfer of energy
d) the transfer of power.
c) the transfer of energy
Katie planted a tomato plant. Before she planted them she weighed everything. After watering and caring for the plants for a week, these were her results.
At the start One Week Later
The pot is 12 grams The pot is 12 grams
The soil is 55 grams The soil is 55 grams
The plant is 15 grams The plant is 23 grams
What made the plant increase in weight?
a) sunlight
b) water
c) the soil
d) the pot
b) water
Which of the following best explains how groundwater becomes polluted?
a) leaking gas or oil on the roads?
b) fertilizers or pesticides use
c) litter and trash
d) all of the above.
d) all of the above.
Why does the Sun appear larger and brighter than other stars?
a) It is the largest star in the universe.
b) It is closer to Earth than other stars.
c) It is the hottest star.
d) It is made of different materials.
b) It is closer to Earth than other stars.
Match the correct image for each state of matter: Liquid, Solid, or Gas
A ::::
B . . .
. .. .
C . .
. . .
(100 points for any correctly identified)
A. Solid
B. Liquid
C. Gas
Raccoons are sneaky predators that will eat the eggs of other animals when they are left unprotected. Sea turtles bury their eggs in the sand in order to protect them from predators like the raccoon.
The sea turtles' actions are an example of:
a) physical adaptation
b) behavioral adaptation
c) camouflage adaptation.
d) mimicry
Bolded words can be defined.
b) behavioral adaptation
They are changing the way they do things (behavior) to protect their eggs.
Why are food webs considered a model?
a) Food webs describe the habitat.
b) Food webs compare prey and predators
c) Food webs show the plans and animals in an ecosystem.
d) Food webs show how matter and energy are transferred in an ecosystem.
Bolded words can be defined.
d) Food webs show how matter and energy are transferred in an ecosystem.
Which of the following best describes an interaction between the biosphere and the geosphere?
a) Rainfall eroding rocks
b) Plant roots breaking apart rocks
c) Evaporation of water from a river
d) Ocean currents affecting weather patterns
b) Plant roots breaking apart rocks
Match each cause with each effect.
Cause: The Earth orbits around the sun
Cause: The Earth spins on its axis.
Effect: We experience day and night.
Effect: We experience one year.
Cause: The Earth orbits around the sun. Effect: We experience one year.
Cause: The Earth spins on its axis. Effect: We experience day and night.
How can you observe that a chemical change (you can ask for an example) has occurred? Choose three correct responses.
a) smell
b) change of state
c) bubbles/gas forming
d) new substance
e) change of weight
f) change of color
(100 points per correct answer)
a) smell
c) bubbles/gas forming
d) new substance
f) change of color
When an environment changes, some organisms move to new locations. How do these organisms benefit from moving?
a) They have more resources available.
b) They become weaker.
c) They reproduce less.
d) They become extinct.
a) They have more resources available.
______ provides the energy for the water cycle.
a) soil
b) sun
c) moon
d) rain
b) sun
Why is too much algae in a watershed bad? (select all that apply - must get all for full points 100 points partial credit).
a) Algae blocks the sunlight from reaching the bottom of the bay.
b) Algae consumes the oxygen from the water.
c) Algae can lead to areas known as “dead zones” where animals cannot live.
d) Algae makes the water too dirty to swim in.
a) Algae blocks the sunlight from reaching the bottom of the bay.
b) Algae consumes the oxygen from the water.
c) Algae can lead to areas known as “dead zones” where animals cannot live.
What is the connection between stars in the night sky and our seasons?
1. The stars change based on our orbit around the sun.
2. We see different stars in the sky because we are moving through space.
3. The stars DO NOT change our seasons.
Jordan poured a glass of ice water and left it out on the counter. When he returned at 3pm the ice melted. Which of the following is correct about the weight of the contents of the glass? How do you know?
a) The ice weighted more before it melted.
b) The ice weighed less before it melted.
c) The ice melted and gained weight as it melted.
d) The ice weighed the same before and after it melted.
d) The ice weighed the same before and after it melted.
Change of state does not change the weight of something.
A plant that is native to the desert would most likely have which of the following adaptations?
a) Large, green leaves to collect sunlight
b) Deep, narrow roots to anchor the plant
c) Shallow, spread out roots to collect water
d) Large flowers that bloom during the day.
c) Shallow, spread out roots to collect water
Earth Systems:
1. Hydrosphere
2. Atmosphere
3. Geosphere
4. Biosphere
Examples:
a) sandy beaches, dunes, and soil
b) ocean, rain, and water in a marsh
c) plants and trees, humans, wildlife
d) air and wind.
1. Hydrosphere -> b) ocean, rain, and water in a marsh
2. Atmosphere -> d) air and wind.
3. Geosphere -> a) sandy beaches, dunes, and soil
4. Biosphere -> c) plants and trees, humans, wildlife