Matter and Properties
This happens when water freezes.
A. It becomes a new substance
B. It changes into a solid.
C. Its particles move further apart.
D. It weighs less.
B. It changes to a solid.
This is an example of a physical change.
A. Burning paper
B. Rusting metal
C. Tearing paper
D. Baking a cake
C. Tearing paper?
This is the process when liquid water turns into water vapor.
A. Condensation
B. Precipitation
C. Evaporation
D. Collection
C. Evaporation.
This organism is a producer.
A. Hawk
B. Mushroom
C. Grass
D. Snake
C. Grass.
This causes day and night on Earth.
A. Earth revolving around the Sun
B. Earth rotating on its axis
C. The Moon's orbit
D. Distance from the sun
B. Earth rotating on its axis.
This property of matter can be observed without changing the substance.
A. Burning
B. Rusting
C. Melting
D. Color
C. Melting?
This is an example of a chemical change.
A. Melting ice
B. Crushing a can
C. Cutting wood
D. Cooking an egg
D. Cooking an egg
This is the process where clouds form when water vapor cools and changes into tiny drops of water.
A. Evaporation
B. Condensation
C. Freezing
D. Runoff
B. Condensation
Plants need this to make their own food.
A. Soil
B. Sunlight
C. Matter
D. Water
B. Sunlight
Earth's orbit around the Sun is this long.
A. One day
B. One month
C. One year
D. One week
C. One year
This state of matter has a definite shape and a definite volume.
A. Solid
B. Liquid
C. Gas
D. Plasma
A. Solid?
Bubbles forming when vinegar and baking soda are mixed is evidence of this.
A. Freezing
B. A chemical reaction
C. Melting
D. Evaporation
B. A chemical reaction
Rain, snow, sleet, and hail are examples of this.
A. Evaporation
B. Condensation
C. Precipitation
D. Collection
C. Precipitation
A consumer is an organisms that...
A. Makes its own food
B. Breaks down dead organisms
C. Eats other organisms
D. Produces sunlight
C. Eats other organisms
The force of gravity...
A. Pushes objects away from Earth
B. Pulls objects toward Earth
C. Increases mass.
D. Is different at the Earth's poles.
B. Pulls objects toward Earth.
This is the best tool to measure the mass of a rock.
A. Thermometer
B. Stopwatch
C. Balance scale
D. Ruler
C. Balance scale
This is an example of a mixture.
A. Pure gold
B. Hot Cocoa
C. Elephant toothpaste
D. Ice cube
B. Hot cocoa
This is where most of the Earth’s freshwater can be found.
A. Lakes
B. Aquifers
C. Glaciers and icecaps
D. Rivers and streams
C. Glaciers and icecaps
This is a true statement about ecosytems.
A. Changes in one population can affect others.
B. Only plants affect ecosystems.
C. Living things do not depend on each other.
D. Ecosystems never change
A. Changes in one population can affect others.
Shadows at 12:00 pm are...
A. Shorter in winter.
B. The same no matter what the season is.
C. Longer in summer.
D. Longer in winter and shorter in summer.
D. Longer in winter and shorter in summer.
This material is the most likely to be magnetic.
A. Potato
B. Iron nail
C. Rubber ball
D. Aluminum foil
B. Iron nail
This happens when salt dissolves in water.
A. Disappears forever.
B. It is irreversible.
C. A solution forms.
D. A chemical reaction occurs.
A solution forms
This is the main source of energy that drives the water cycle.
A. Wind
B. The Moon
C. The Sun
D. Plants
C. The sun
Decomposers...
A. Produce their own food.
B. Break down dead organisms.
C. Decrease nutrients in the soil.
D. Stop erosion.
B. Break down dead organisms
Clusters of stars, called constellations, in our night sky...
A. Change based on the distance from Earth.
B. Change as Earth rotates on its axis.
C. Never change.
D. Changes as the Earth rotates around the sun.
D. Change as Earth orbits around the sun.
This describes all matter.
A. Solid and gas
B. Has mass and takes up space.
C. Liquid and solid
D. Only certain gases, solids, and liquids
B. Has mass and takes up space.
The weight of a saltwater mixture is
A. Equal to the dry salt + water before mixing.
B. Equal to the water only once the salt dissolves.
C. Less once the salt dissolves.
D. More once the salt dissolves.
A. Equal to the dry salt + water before mixing.
This Earth system includes the water cycle.
A. Geosphere
B. Aquasphere
C. Biosphere
D. Hydrosphere
D. Hydrosphere.
This is a community where all living and non-living things interact in their environment.
A. Food web
B. Ecosystem
C. Biosphere
D. Habitat
B. Ecosystem
Gravitational force.
A. Increases on planets and moons that are closer to the sun.
B. Decreases on bigger planets and moons.
C. Increases on planets and moons that are more massive.
D. Is only found on some planets and moons.
C. Increases on planets and moons that are more massive.