Grade 5 Science Review

What is a food chain?

• A type of fast food restaurant

• A type of exercise equipment used in gyms

• A series of organisms each dependent on the next as a source of food.

• A method of preserving food using salt

How are sedimentary rocks formed?

• Volcanic eruption and cooling of lava

• Erosion and melting of rocks

• Evaporation of water and crystallization of minerals

• Deposition, compaction, and cementation of sediments

What are fossil fuels?

• Renewable energy sources

• Radioactive waste products

• Natural fuels formed from the remains of living organisms

• Man-made synthetic fuels

What are adaptations?

• Genetic mutations that have no impact on survival

• Changes that make an organism weaker

• Characteristics that only appear in extinct species

• Physical or behavioral characteristics of an organism that help it to survive and reproduce in its environment

What are some examples of changes to an ecosystem?

• Paving over a river

• Building a new shopping mall

• Deforestation

• Introducing a new species of plant

What is the primary source of energy in a food chain?

• nuclear power

• fossil fuels

• the sun

• wind

What type of rock is made from layers of sediment?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• Volcanic rock

Which of the following is not a fossil fuel?

• Natural gas

• Coal

• Wind energy

• Solar energy

What is an example of an adaptation in animals?

• Photosynthesis in plants

• Migration in birds

• Hibernation in bears

• Camouflage in chameleons

How do natural disasters affect an ecosystem?

• It disrupts the balance of the ecosystem by causing physical damage, altering habitats, and affecting the availability of resources.

• It only affects one species in the ecosystem

• It has no impact on the ecosystem

• It improves the balance of the ecosystem