Chemical and Physical
Which of the following is an example of a physical change?
A. Burning wood
B. Rusting iron
C. Freezing water
D. Baking a cake
What is C. Freezing water
Which landform is created by constructive forces?
A. Sinkhole
B. Mountain
C. Earthquake crack
D. Landslide
What is B. Mountain
What material is a good conductor of electricity?
A. Rubber
B. Plastic
C. Copper
D. Wood
What is C. Copper
Which of these is an inherited trait?
A. Playing piano
B. Blue eyes
C. Riding a bike
D. Speaking a language
What is B. Blue eyes
Why do animals of the same species look slightly different?
A. They all have the same traits
B. They are different species
C. They inherit different genes
D. Their environments are exactly the same
What is C. They inherit different genes
What happens during a chemical change?
A. Matter changes into a new kind of matter
B. The shape changes but the material stays the same
C. The temperature drops without any reaction
D. Water evaporates
What is A. Matter changes into a new kind of matter
Which of these is an example of a destructive force?
A. Volcano forming new land
B. Deposition of sediment
C. Erosion by wind
D. River delta building up
What is C. Erosion by wind
What is needed for an electric circuit to work?
A. An open wire
B. A battery and light bulb only
C. A switch and broken wire
D. A complete loop with power and a device
What is D. A complete loop with power and a device
What is an acquired trait?
A. Trait passed from parents
B. Trait controlled by environment
C. Trait that cannot be changed
D. Trait you are born with
What is B. Trait controlled by environment
Which of these is a trait shared by all mammals?
A. They lay eggs
B. They have fur or hair
C. They fly
D. They have feathers
What is B. They have fur or hair
Which is a clue that a chemical change has occurred?
A. Water turns into ice
B. Paper is torn into pieces
C. A gas is produced
D. Metal is bent
What is C. A gas is produced
A canyon is most likely formed by:
A. Earthquake shaking
B. River erosion
C. Deposition of sand
D. Lava flow
What is B. River erosion
Which object is most likely to be attracted to a magnet?
A. Wooden spoon
B. Aluminum can
C. Steel nail
D. Plastic toy
What is C. Steel nail
Which of these is an example of an acquired trait?
A. Eye color
B. Natural hair color
C. Reading skill
D. Blood type
What is C. Reading skill
Some giraffes have longer necks than others. What is this an example of?
A. Acquired trait
B. Variation
C. Mutation
D. Extinction
What is B. Variation
Melting chocolate is an example of:
A. Chemical change
B. Reversible change
C. Non-reversible change
D. Formation of a new substance
What is B. Reversible change
Which force both destroys and builds land?
A. Earthquake
B. Tornado
C. Volcano
D. Wind
What is C. Volcano
Which energy change happens in a flashlight?
A. Heat to light
B. Chemical to light
C. Sound to heat
D. Electrical to motion
What is B. Chemical to light
How are inherited traits passed to offspring?
A. Through learning
B. Through DNA from parents
C. From environment
D. Through education
What is B. Through DNA from parents
If two tall parents have a short child, what explains this?
A. The child is an alien
B. Height is always inherited
C. There was a change in environment
D. Genes from both parents can result in different outcomes
What is D. Genes from both parents can result in different outcomes
Which process shows a chemical change?
A. Crushing a can
B. Mixing salt into water
C. Burning a candle
D. Breaking glass
What isC. Burning a candle
What is the main cause of a landslide?
A. Gravity pulling soil downhill
B. Ice freezing in cracks
C. Volcano building up lava
D. Earth’s rotation
What is A. Gravity pulling soil downhill
What does a switch do in an electrical circuit?
A. Changes the direction of the current
B. Stores energy
C. Starts or stops the flow of electricity
D. Increases the voltage
What is C. Starts or stops the flow of electricity
Which is a learned behavior in animals?
A. A dog rolling over on command
B. A bird building a nest
C. A spider spinning a web
D. A baby crying
What is A. A dog rolling over on command
Which of these shows how traits are inherited?
A. A tree growing toward the sun
B. A baby having dimples like one parent
C. A student learning math
D. A bird singing a learned tune
What is B. A baby having dimples like one parent