Science PSSA Review February 6

Cars burn gasoline to run. How does burning gasoline change the environment?

• It causes forest fires.

• It makes the air dirty.

• It causes rivers to flood.

• It changes what animals eat.

Which of the following statements can be tested?

• Spiders are uglier than flies.

• Peaches taste better than plums.

• Turtles move faster than snails.

• Swans are prettier than doves.

Which of these is the BEST example of parts of a natural system?

• A flower and a rock

• A wire and a battery

• A truck and a factory

• A person and a jacket

Which of these can people make from plants on a farm?

• Cotton jeans

• Hamburgers

• Wool socks

• Glass bottles

A student is studying a map of a park near her school. What is the student MOST LIKELY trying to learn about?

• Earth's age

• Earth's orbit

• Earth's size

• Earth's surface

When people get too hot, their bodies sweat to cool them off. Dogs do not sweat. Instead, they pant to cool off. How are sweating and panting similar?

• They both happen in people and dogs.

• They are both changes in response to heat.

• They both happen when temperatures are low.

• They are both changes in the motion of objects.

Which of the following is the BEST model of an ecosystem?

• Ladder

• Terrarium

• Rain Forest

• Tree Branch

Which of the following is an example of an inherited physical characteristic?

• A child reads a book.

• A robin lays blue eggs.

• A dog has a collar.

• A man has short hair.

Which of these adaptations would MOST LIKELY help an animal survive in a place that is cold and dry?

• Gills

• Thick fur

• Thin skin

• Large ears

A student wants to make a terrarium to model a marsh habitat. Which item will he probably NOT include in the terrarium?

• Beaver

• Tadpole

• Water

• Grasses