Front

Energy transfer process between a battery and a lightbulb in a circuit.

Back

Electric energy from the battery turns into heat and light in the lightbulb.

Front

The students are given three different batteries. They are asked to compare how much energy each battery transfers to the lightbulb. Which has the proper order for the investigation?

Back

1) Use wires to connect a battery to the lightbulb. 2) Observe and record the brightness of the lightbulb. 3) Remove battery and replace with different battery. 4) Repeat until all the batteries have been used.

Front

Which step would MOST LIKELY help increase the number of tortoises on the Galapagos Islands?

Back

Remove fences in tortoise habitats.

Front

What is the role of the grass plants in a forest ecosystem food web?

Back

The grass plants are producers that make their own food.

Front

One of the limitations of this food web is that ___________ are not included.

Back

decomposers

Front

The students observed that a cactus has long, sharp spines that are painful to touch. Which claim is BEST supported by the observation?

Back

The spines make it hard for animals to eat the cactus.

Front

To model a louder sound wave, how should Student A move the rope?

Back

Lift her arm to a height above her shoulder and then down to a height below her waist.

Front

Based on the data in the graph, one of the colder winter months in Sydney is

Back

June

Front

Based on the data in the graph, one of the warmer summer months in Sydney is

Back

January

Front

Based on the information presented in the graph, which prediction about the weather in Sydney, Australia, is correct?

Back

The weather is warm and wet during March and April.