5th Science Semester Test

What causes the Earth's seasons?

• Rotation on axis
• Revolution and tilt

_________ is the breaking down of rocks from wind, water, ice.

• Erosion
• Deposition
• Weathering

The plant part that is responsible for photosynthesis is the __________?

• root
• stem
• leaf
• flower

________ is when two objects are rubbed together and heat is created.

• Friction

• Speed

• Gravity

• Potential energy

The three things necessary to create a closed loop circuit are:
_____________.

• Power source, conductor, insulator
• Power source, load, insulator
• Conductor, load, power source

In which state does matter have a definite shape?

• Solid
• Liquid
• Gas

__________ are made up of bits of rocks, minerals, and bones.

• Decomposers
• Sediments
• Magma
• Lava

Green plants get the energy they need to make food from ________.

• The rain
• The soil
• The sun

That gold is metallic means using which property of a mineral?

• Color 
• Hardness
• Luster
• Streak

What causes a river to get wider.

• Deposition
• Weathering
• Erosion