Science Pre-Test

What keeps us from floating off into outer space?

• Our shoes

• Gravity

• Our bones

• Trees and buildings are in the way

What covers most of the earth's surface?

• Rocks

• Trees

• Water

• Schools

The moon is a __________________.

• Satellite of Earth

• Block of cheese

• Man's face

• Planet

True or False: Earth is a perfectly shaped circular shape.

• True

• False

The HOTTEST place to be in our solar system is on _______________.

• Pluto

• Mercury

• Jupiter

• Sun

Humans can safely breathe _____________________.

• Water

• Cheeseburgers

• Horseshoes

• Oxygen

Which layer of the atmosphere does weather occur in?

• Troposphere
• Stratosphere
• Exosphere
• Thermosphere

What part of the water cycle causes water in the form of a gas to turn back into a liquid?

• Condensation
• Precipitation
• Evaporation
• Accumulation

Cells are:

• The largest unit of life
• Non-living
• The smallest unit of life
• A chemical compund

What contains DNA in a cell

• Nucleus
• Mitochondira
• Cell wall
• Vacuole