2nd Science state test review

Which of these greenhouse gases in the air
will increase the most if large forests are cut
down to be used for building without
planting new trees?

• ozone
• methane
• water vapor
• carbon dioxide

A student placed a rock in a graduated cylinder
containing water, causing the water level in the
cylinder to increase by 20 mL. This increase
represents the rock’s

• mass
• volume
• solubility
• temperature

People often wear sunglasses in polar regions
because most of the sunlight that hits a
snow-covered surface is

• reflected
• absorbed
• refracted
• transmitted

Tags

NGSS.MS-PS4-2

A battery-powered cart pulls an 800-gram load
across the floor. If the load were reduced to 400
grams, and the force used to move the cart
remained the same, the cart would

• move slower
• move faster
• move at the same speed
• stop moving

Tags

NGSS.MS-PS2-2

What causes the balloon to move along the string?

• Force from string
• friction between straw and string
• Force from escaping air
• weight of balloon containing air

Tags

NGSS.HS-PS2-1

Herbivores obtain most of their energy by

• consuming animals 
• consuming plants 
• producing sugar
• absorbing sunlight

A biological community is made up of all the

• populations living in an area
• natural resources present in an area
• members of a species on Earth
• environments on Earth

If an ecosystem’s balance is disturbed by a volcaniceruption, what will most likely occur?

• The ecosystem will not change from itsoriginal state.
• The ecosystem will eventually becomebalanced again.
• The consumers in the ecosystem will beginto consume carbon dioxide.
• The consumers in the ecosystem will beginto produce more oxygen.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which force is represented by X?

• Gravity
• Friction
• Electricity 
• Magnetism

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Approximately how long does it take for the Moon to complete one orbit around Earth?

• 1 day
• 1 week
• 1 month
• 1 year

Tags

NGSS.MS-ESS1-1