4th Grade Science Review

An extinct volcano is one that

• Has not erupted in many years
• Is expected to erupt soon
• Erupts every 100 years
• Erupts only once

Which term refers to the flow of electrical charges?

• Conductance
• Current
• Resistance
• Energy

Anthony’s class grows sugar crystals. His teacher asks each student to sketch the shape of the sugar crystals. What will help Anthony see the shape of the crystals?

• A satellite
• A pair of binoculars
• A magnifying glass
• A telescope

You observe an animal with hair and wings. This animal must be a

• Bat
• Bird
• Butterfly
• Flying Squirrel

Which characteristic can be used to divide these living creatures into two groups?

• Habitat
• Lifespan
• Legs
• Eyes

Rust is most likely to form when iron is

• Damp
• dry
• painted
• covered with grease

When water in an open pan is left on the hot stove for some time, it becomes

• Dew
• A solid
• A vacuum
• A gas

Tags

NGSS.MS-PS1-4

Which is an example of a physical change?

• Burning Leaves
• Rusting pipes
• Baking Bread
• Tearing paper

Which circuit would turn the light bulb on?

• B
• A
• C
• D

Why is a microscope needed to view cells?

• To make cells look bigger than they are
• To separate cells from each other
• To make cells look smaller than they are
• To hold the cells still so they can be seen