Science Game

Multiple Choice

Which population would be most affected if there is a decrease in the population of aquatic insects?

• elk
• frog
• moose
• squirrel

Multiple Choice

Which best describes a way photosynthesis provides resources to animals?

• Photosynthesis produces carbon dioxide, decreasing the animal’s need for oxygen.
• Photosynthesis increases plant growth, providing places for many animals to live
• Photosynthesis produces excess moisture from the plants, reducing the need for a water supply.
• Photosynthesis increases plant growth, providing food for carnivores and eliminating the need to hunt.

Multiple Choice

Which species would be most affected by the overfishing of Alaskan salmon?

• bears
• crayfish
• lobsters
• opossum

Multiple Choice

A baby kit fox grows to become an adult with a mass of over 3.5 kg. What factor will have the greatest influence on this kit fox’s survival?

• the size of the fox’s ears
• the conditions of the fox’s habitat
• the average number of fox offspring
• the social behaviors within the fox population

Multiple Choice

Below is an example of a simple food chain.

Acorn → Squirrel → Fox → Mountain Lion 

What will most likely happen if squirrels are removed from the food chain?

• The fox will eat acorns
• The fox population will decrease
• The trees will produce fewer acorns.
• The mountain lion population will increase

Multiple Choice

A rainforest area is experiencing a severe drought. As a consequence, the insect population has decreased. What will the insect-eating birds most likely do as a result of the drought?

• stop searching for food until it begins to rain
• begin reproducing to increase population
• move to a new area to find food
• start the process of hibernation

Multiple Choice

Which is an abiotic factor that would affect the growth of a population within an ecosystem?

• the availability of water
• the availability of producers
• the type of herbivores present
• the number of carnivores present

Multiple Choice

When an ecosystem is affected by loss of shelter, what happens to the populations in that ecosystem?

• They can decrease or die out
• They are usually not affected
• They can readily adapt to the changes
• The populations increase

Multiple Choice

As populations grow, they tend to spread out into new territory. Which limiting factor is most likely to become an issue?

• food
• shelter
• space
• water

Multiple Choice

In a forest ecosystem, a food chain might look like this:
green plants → rabbit → fox → panther

If the green plants are destroyed in a forest fire, which short-term effect will this have on the organisms in this food chain?

• There would be fewer rabbits for the foxes to eat. 
• The panthers would have to begin to eat green plants.
• There would be an increase in the fox population
• There would be more green plants for the rabbits to eat

Multiple Choice

Describes a group of living things that are no longer living.

• fossil

• extinct

• endangered

• dinosaur

Multiple Choice

Which type of rock are most fossils found?

• sedimentary rock

• metamorphic rock

• igneous rock

• fossils

Multiple Choice

If a scientist found a fish fossil in the desert, what can they infer?

• An animal ate the fish.

• The water covered the area long ago.

• Today's fish looks the same

• The fish is endangered.

Multiple Choice

What needs to happen FIRST for a fossil to form?

• A plant or animal must be covered by sediment.

• A plant or animal must die and decompose.

• Sediments fill a a mold to form a cast.

• An earthquake shifts the land up.

Multiple Choice

Which fossil layer is the youngest? 

• A. Layer A
• B. Layer B
• C. Layer C
• D. Layer D

Multiple Choice

Which part of an organism's body typically fossilizes?

• Cartilage

• Skin and muscles

• Teeth and bones

• Hair and organs

Multiple Choice

What does the Law of Superposition tell us?

• The most superior rock is the top layer of rock

• The oldest rock is the most top layer of rock

• The youngest rock is the most top layer of rock

• The strongest rock is the most top layer of rock

Multiple Choice

Which layer is OLDER? Intrusion M or Layer D?

• Intrusion M

• Layer D

Multiple Choice

States that younger rocks lie above older rocks if the layers have not been disturbed

• Law of crosscutting
• Law of superposition
• Relative Dating
• Unconformity

Multiple Choice

A break in the geologic record that is made when rock layers are eroded over a long period of time

• Law of Superposition
• Law of Crosscutting
• Relative Dating
• Unconformity

Multiple Choice

How does the law of crosscutting explain the age of a fault?

• The fault is younger than the rocks above it.
• The fault is younger than the rocks it cuts through.
• The fault is older than the rocks above it.
• The fault is older than the rocks it cuts through.

Multiple Choice

How does sedimentary rock usually form?

• Vertically
• Diagonally
• Folding
• Horizontally

Multiple Choice

The age of a rock compared to the ages of other rocks is the rock's

• absolute age
• geologic age
• sedimentary age
• relative age

Multiple Choice

Which is an example of absolute age?

• "This trilobite is older than that dinosaur."

• "Velociraptors lived 71-75 million years ago."

• "The oldest sedimentary layer is on the bottom."

Multiple Choice

Which radioactive substance would probably be used in dating the recent remains of a plant found in sedimentary deposits?

• carbon-14

• rubidium-87

• potassium-40

• uranium-238

Multiple Choice

Which isotope is best for determining the age of a Pleistocene epoch fossil?

• Uranium-238

• Potassium-40

• Rubidium-87

• Carbon-14

Multiple Choice

Geologist use _________ to determine the absolute age of rocks.

• absolute age dating

• relative age dating

• radiation dating

• radioactive dating

Multiple Choice

Geologist use the time it takes for a radioactive isotope to decay to half its original mass called a___________.

• radioactive decay

• isotope

• half-life

• carbon dating

Multiple Select

Absolute age dating works in_______ rocks. (Check all that apply)

• Igneous rocks

• Sedimentary rocks

• Metamorphic rocks

Multiple Choice

If you have 50% of the original atoms left, how many half lives have occurred?

• 0
• 1
• 5
• 50

Multiple Choice

All plants and animals contain carbon.

• true

• false- no plants and animals contain carbon

Multiple Choice

Carbon-14 dating works well for finding the age of...

• dead plants/animals/fossils

• old volcanic rocks

Multiple Choice

What is Half-life?

• The amount of time it takes for some of the nuclei in a sample of the isotope to decay
• The amount of time it takes for half the electrons in a sample of the isotope to decay
• The amount of time it takes for half the nuclei in a sample of the isotope to decay
• the amount of time it takes to double the nuclei in a sample of the isotope to decay

Multiple Choice

After 22,800 years, approximately what percentage of the original carbon-14 remains?

• 15%

• 12.5%

• 6.25%

• 3.125%

Multiple Choice

The % of the parent isotope remaining after 1 Half Life.

• 50%

• 25%

• 12.5%

• 6.25%

Multiple Choice

The % of the parent isotope remaining after 2 Half Lives.

• 50%

• 25%

• 12.5%

• 6.25%

Multiple Choice

What is the Half Life of this isotope?

• 3 days

• 5 days

• 8 days

• 10 days

Multiple Choice

You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years. 
How many grams are left after 1 half life? 

• 100 grams
• 25 grams
• 2 grams
• 50 grams

Multiple Choice

When nuclei decay, massive amounts of __________ is released.

• energy
• jello
• protons
• neutrons

Multiple Choice

An isotope of an element has the same number of _________, but a different number of _________.

• Protons, electrons
• Protons, neutrons
• Electrons, neutrons

Multiple Choice

How long would it take for an element with a half-life of 100 years to reach 5 half-lives?

• 50

• 500

• 5000

• 5