Science Bowl

What would most likely happen to this food chain if a farmer decides to dust a wheat crop with an insecticide?

• The wheat would become greener.

• Other birds would move into the fields.

• The hawks would start eating the wheat.

• There would be fewer sparrows in the fields.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A scientist trying to identify an unknown liquid may heat the liquid. Which would be the best reason for the scientist to heat the liquid?

• to observe a color change

• to get rid of most impurities

• to identify the boiling point

• to collect gases for additional study

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which best explains why a bowl becomes warm after holding hot soup?

• The heat is radiated from the soup to the bowl.

• The heat is returned to the bowl once the soup is cooled.

• The heat moves through convection from the soup to the bowl.

• The heat moves through conduction from the soup to the bowl.

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which best describes heat transfer due to convection?

• It occurs with direct contact.

• It occurs only during the day.

• It occurs with movement of a fluid.

• It occurs only when something is burning.

A young ocean animal has two parents. Each of the parents has eight arms. How many arms does the young animal most likely have?

• 2

• 4

• 8

• 16

Tags

NGSS.MS-LS1-5

Which is a trait that a child can inherit from its parents?

• eye color

• broken leg

• length of hair

• language skills

Tags

NGSS.MS-LS3-2

Otto pushed a toy car across a floor. The car traveled fast across the wood, but it slowed to a stop on the carpet. Which best explains what happened when the car reached the carpet?

• Inertia decreased.

• Gravity increased.

• Friction increased.

• Magnetism decreased.

Tags

NGSS.MS-PS2-2

The Sun releases light and heat energy that cause changes on Earth. How does the Sun’s energy change water?

• The energy makes liquid water freeze.

• The energy makes water vapor from liquid water.

• The energy makes clouds release rain.

• The energy makes water collect into puddles.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Water evaporates mostly from

• land

• snow

• clouds

• oceans

Tags

NGSS.MS-ESS2-4

How are physical weathering and erosion different?

• Physical weathering moves rocks by gravity, wind, water or ice. Erosion breaks down rocks by wind, water, ice, temperature change, or plants.

• Physical weathering breaks down rocks by water only. Erosion moves rocks by gravity, wind, water or ice.

• Physical weathering breaks down rocks by wind, water, ice, temperature change, or plants. Erosion moves rocks by gravity, wind, water or ice.

• Physical weathering breaks down rocks by wind, water, ice, temperature change, or plants. Erosion moves rocks by water only.