Fourth Grade Science PSSA #1

This part of the plant use sunlight to make food.

• roots
• leaves
• stems
• flowers

Which organisms in this food chain are predators?

• plants and caterpillars
• caterpillars and frogs
• frogs and snakes
• snakes and plants

Germination is...

• when bacteria grows.
• viruses traveling.
• saplings growing.
• seedlings sprouting.

Which correctly lists the life cycle of some insects?

• egg - larva- adult - pupa
• egg - pupa - larva - adult
• pupa - egg - larva - adult
• egg - larva- pupa - adult

After several weeks, a student observes that the water level in their aquarium tank is lower. What process caused
this to happen?

• condensation
• erosion
• precipitation
• evaporation

Runoff is best described as water that...

• condenses into a cloud
• flows over the ground
• evaporates into a gas
• moves downward into the ground

A simple machine that helps move a flag up a flagpole is...

• a bar magnet
• an inclined plane
• a pulley
• a lever

Which tool is used to measure the volume of a liquid?

• graduated cylinder
• thermometer
• balance
• ruler

Which characteristic is inherited rather than learned?

• telling a story
• saluting the flag
• having blue eyes
• riding a bicycle

What is the main function of scales on a fish?

• to protect the fish
• to attract predators
• to help the fish find food
• to help the fish breathe