Flashcards
Homework
Cards in this deck (20)
- 1why does grass on the side of the road stay green?because it receives runoff water when it rains.
- 2why do the pupils get smaller in the light?they get smaller to allow less light in.
- 3what is the deference between hypothesis and inferencea hypothesis is an idea which can be tested.
an inference, is a conclusion reached after debate - 4which of these is the dependent variable? water plantwater
- 5which of these is the independent variable? water plantplant
- 6why does ice melt when the water is hot?because the temperature affects the molecular structure of the ice.
- 7Define the term Observationthe action or process of closely observing or monitoring something or someone
- 8Define the term Research questionAn answerable inquiry into a specific concern or issue
- 9Define the term Dependant variableA variable which has a value that depends on another
- 10Define the term Independent variableA variable which has a value that does not depend on another
- 11Which of these statements is an inference? a)the ice melts because of the water temperature. b)does the ice melt because of the temperature of the water?A
- 12Which of these statements is an hypothesis? a)the ice melts because of the water temperature. b)does the ice melt because of the temperature of the water?B
- 13Which of these is true? a) Carrot seeds grow faster. b) Tomato seeds grow faster.A
- 14Which of these is false? a) Carrot seeds grow faster. b) Tomato seeds grow faster.B
- 15TRUE or FALSE If a cup of coffee has a lid on it, it will stay hot for longer.TRUE
- 16underwater plants will produce more oxygen in warm water than in cold.TRUE
- 17Increasing exercise will increase the persons breathing rate.TRUE
- 18Plants produce more oxygen at night than in day.FALSE
- 19nocturnal animals have bigger eyes.TRUE
- 20more exercise means more carbon dioxide is exhaled.TRUE