P2 Science · Chapter 20brightbit.net/worksheets
P2 Science Review
Name: ______________________Class: ________Date: ____________Score: ____ / 10
- 1.
Which process describes water vapour turning into liquid water?
(a) Condensation(b) Evaporation(c) Precipitation(d) Infiltration
- 2.
Which is the correct order of a frog's life cycle?
(a) Egg → Tadpole → Froglet → Adult frog(b) Egg → Froglet → Tadpole → Adult frog(c) Tadpole → Egg → Froglet → Adult frog(d) Adult frog → Tadpole → Egg → Froglet
- 3.
What role do plants play in a food chain?
(a) They are producers — they make food using sunlight(b) They are consumers — they eat other organisms(c) They are decomposers(d) They are predators
- 4.
Which material is both waterproof AND an electrical insulator?
(a) Rubber(b) Copper(c) Iron(d) Glass
- 5.
The force that keeps planets orbiting the Sun is:
(a) Gravity(b) Magnetism(c) Friction(d) Electric force
- 6.
Loam soil is the best for growing plants because it:
(a) Balances drainage and water retention and is nutrient-rich(b) Drains extremely fast(c) Holds water permanently(d) Has no minerals
- 7.
Which action causes a sound to become higher in pitch?
(a) Making the vibrating object vibrate faster (higher frequency)(b) Making it vibrate more slowly(c) Making it louder(d) Making it softer
- 8.
Which of these is an example of a complete metamorphosis?
(a) Butterfly: egg → caterpillar → chrysalis → butterfly(b) Grasshopper: egg → nymph → adult(c) Frog: egg → tadpole → adult(d) Dog: puppy → adult dog
- 9.
In a simple circuit, what would happen if you replaced the battery with a used (dead) battery?
(a) The bulb would not light up because there is no longer enough energy to drive the current(b) The bulb would glow brighter(c) The circuit would catch fire(d) Nothing would change
- 10.
A student observes that a black metal plate left in sunlight becomes much hotter than a white metal plate of the same size. The best explanation is:
(a) Dark surfaces absorb more radiant heat energy from sunlight than light surfaces(b) The black plate is made of a different metal(c) Black plates are heavier and store more heat(d) White plates reflect heat away from themselves
Answer key — P2 Science: P2 Science Review
For parents. Step-by-step explanations for every question are free on brightbit.net.
- 1.(a) Condensation
- 2.(a) Egg → Tadpole → Froglet → Adult frog
- 3.(a) They are producers — they make food using sunlight
- 4.(a) Rubber
- 5.(a) Gravity
- 6.(a) Balances drainage and water retention and is nutrient-rich
- 7.(a) Making the vibrating object vibrate faster (higher frequency)
- 8.(a) Butterfly: egg → caterpillar → chrysalis → butterfly
- 9.(a) The bulb would not light up because there is no longer enough energy to drive the current
- 10.(a) Dark surfaces absorb more radiant heat energy from sunlight than light surfaces
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