Life Science
What organ acts as a pump to send blood around the body?
Answer- heart
Name two ways that electricity can be generated.
Any two answers from: wind turbines • solar panels • biomass/coal/nuclear power stations • hydro/water/wave power • physical dynamo
What is a fossil?
Answer- the preserved remains of an animal from when they existed thousands of years ago.
Arteries and capillaries are two types of blood vessels in the human body. What is the third?
Answer- veins
What happens to the bulb in this circuit?
A circuit with a motor, a bulb, and a closed switch (no battery)
Answer- bulb does not light.
On average, how long does it take to make a fossil?
Answer- 10,000 years
What job does a valve have in the circulatory system?
Answer- to ensure that blood flows in one direction only.
Fill in the blanks.
Light travels in a __________ line.
Answer- straight
Describe one way in which an animal or insect’s body can be preserved in the fossilisation process.
Answers- by ice OR by sap
True or false? A child gets half of its characteristics from its mother and the other half from its father.
Answer- false
What does the word opaque mean?
Answer- let no light through.
How can we use fossils as evidence of evolution?
Answers- Comparing the same species/animal with a skeleton now OR To see how a skeleton has changed in a plant/animal compared with today.
True or False. Inherited characteristics are always physical?
Answer- false
How can we see the moon at night?
Answer- it reflects the sun’s light OR it reflects light to the earth.
What type of rock is the Cayman Islands made of?
Answer- metamorphic rocks